Pontiac Ignition Timing

Re: Impco 425 on a Pontiac 389 engine - ignition timing. Last Post 1 week 3 days ago by college man. With the ignition ON, rotate the pulley CW until you get a spark. I changed it to 15 degrees, where it should be, and it's running better. This sprocket is the least important one of the three. TIMING PROCEDURE Reduce idle speed to 400 RPM. Pontiac 400 (408) 425 HP Four Bolt, #16 Heads Blueprinted, Dyno Run, Street Ready DP-BAX 425HP-Pont MAY08 Description This is a 1970 Pontiac 400 4 bolt main block and caps built as a 1970 front accessory engine with #16 (1968 DC heads). Follow the instructions for your engine. i have a pontiac 455 that i just changed the headgaskets on. Browse your favorite brands affordable prices free shipping on many items. So I want to find the culprit in this. You may have to clean or change the fuel injectors or fix a broken gas cap. Distributors for the 331-354-392 HEMI engines have been a big hit. Another great feature is for the forced induction fans. Now connect your static timing light to the wire leading between the distributor and the ignition coil, then connect the other end to the engine somewhere where it will get a good ground. However, for the low speed and the low compression of. Timing is correct 13726548 for roller 302. Featuring 03 Water Pump in stock now online. The timing scale is located on the passenger side of the engine, just above the crankshaft pully. Turn the distributor slightly if needed so the spark occurs at TDC. Obviously there's a limit to how far advanced the ignition timing can be set before "pinging" will occur, but with all my cars, I time them by ear for power (and for better fuel mileage), and then temporarily back off the timing (to stock specs) for smog testing. The most important concept to understand is that lean mixtures, such as at idle and steady highway cruise, take longer to burn than rich mixtures; idle in particular, as. Although the computer still controls ignition timing on distributor ignition, having the base timing correct is critical for proper performance and fuel economy. 7L) small-block V8 originally used in 1997 and later Corvettes and 1998-02 Camaros and Firebirds. It doesn't matter what kind of ignition you have, if the advance curve is not set properly it won't make any power. This is a GM/Pontiac engine with GM's high energy ignition (HEI) electronic ignition system installed. Quick ratio rocker arms with polylocks lashed ½ turn past "0" lash. The ignition module starts to turn On and Off the ignition coils in their proper firing order to create spark, after the crank signal arrives. First, I can't tell you how (so I'd be a blind guide. The ignition control module does this by switching the ignition coils' primary current On and Off in a base timing mode so that they'll start sparking away. Sense of Timing: by Bill Boyle: Oh yeah, ignition timing matters! I have this project car (sound familiar) and it just wasn’t accelerating very well from a dead start. Parts Included: 1 - Timing tape sheet (8 tapes) Note: The MSD Timing Tapes are used so you can accurately set your initial and total timing when. In most DIS ignition systems the ignition module and coil are separate, but some are combined. How to Set the Timing When you think about it, setting the timing at idle speed makes no sense at all: You don™t operate your car at idle, and timing changes as the rpm changes. Browse your favorite brands affordable prices free shipping on many items. You certainly can't go by the factory specs when your engine isn't all bone stock and isn't running all factory components, especially when running an aftermarket distributor, or even a stock replacement distributor. Every van is put together in a different way, so make sure that the car you want to fix is either a Chevy Venture or Pontiac Montana. Disconnect and plug vacuum advance line at Vacuum unit. If your engine bay isn't shrouded in plastic, then the chances are pretty high that you can change your ignition timing to increase. The reading will drop off if you advance too far, so turn the distributor counter-clockwise (retard timing) to go back to the peak reading on your gauge. Our inventory holds 404 aftermarket and OEM Engines & Ignition products for your Oldsmobile 88, ranging from $0. Connect a timing light to the No. For a naturally aspirated Pontiac V-8, I recommend a base (or initial) timing anywhere between 10 and 15 degrees. The vacuum advance control unit on the distributor is intended to advance the ignition timing above and beyond the limits of the mechanical advance (mechanical advance consists of the initial timing plus the centrifugal advance that the distributor adds as rpm comes up) under light to medium throttle settings. 0-liter four-cylinder engine. 4 kgm) at 2800 rpm respectively. All split-head Pontiac engines 1926-1932 Series 6-27, Series 6-28, Series 6-29. Enter Diameter and Width to calculate and print paper Timing Tapes. A new coil is also a lot cheaper than a complete MSD ignition amplifier setup and at least 95% as effective in most naturally aspirated applications. The ignition module starts to turn On and Off the ignition coils in their proper firing order to create spark, after the crank signal arrives. Power is produced by an overhead valve, 6. Must be used with an MSD 6, 7 or 8-series ignition. If pulling timing out of an engine doesn't suppress or eliminate knock, then most likely your problem is rooted in carbon deposits or a hot spot on the piston or combustion chamber. It is advisable to buy an spring kit, with different strength springs. Classic Industries offers 1967 Pontiac Firebird Mallory Unilite Point To HEI Conversion Set, 1967 Pontiac Firebird TSP Hi-Performance Ignition System, 1967 Pontiac Firebird Pertronix Ignitor Set, 1967 Pontiac Firebird Pertronix Ignitor. Any info on this would be appreciated. Below you will find the most complete list of Pontiac trouble codes available. High performance Pontiac’s. Could you explain me the procedure to follow, to set ignition timing on a 1988 Trans Am V8 5. Now, you know the idle timing that produces the highest vacuum and the total timing that gives the best high rpm power. 2007 Pontiac Solstice : Engine Mechanical > Engine Mechanical - 2. By comparing the. 9's with Computer Command Control (CCC) and will not cause the Check Engine Light to illuminate. The '68 timing cover casting number is 9790347 and. Trailer, Towing & Winches. Detailed Vehicle Recall Notices and Technical Service Bulletins (TSBs) from ALLDATAdiy. Considering the modern, fast burn chambers & the WOT timing of around 28 deg, it is a considerable amount of initial timing. base timing is by the book, 7. As mentioned check all timing components for proper working order. Browse your favorite brands affordable prices free shipping on many items. DISTRIBUTORS & HEI INSTALLATIONS Section 2 “Identification of HEI Ignition Systems" authored by Schurkey. Timing chains might need replacement if there is excessive vibration or if the vehicle's ignition timing seems off. It was a side-valve design with a timing chain, as was popular at the time. You will find here helpful information about the GM Chevrolet 350 (5. Offers valid only while supplies last. If your vehicle is not equipped with an ignition ballast resistor, install a Mallory Ignition Ballast Resistor Part No. The real answer to this question lies in how bad the rest of the tune has been raped. What we will see here is the wiring diagram of the 1964 Pontiac Tempest part 1, see the part 2 at below related post. Base timing should be checked, and noted. Find MSD Timing Tapes 8985 and get Free Shipping on Orders Over $99 at Summit Racing! Accurate ignition timing is one of the most vital adjustments you can make to your engine. 5 BTDC @ 600-620 RPM 3. Ignition timing adjustment connector. This is one of the more popular electronic ignition kits for the MG, as it fits entirely inside the distributor with just two wires running between the distributor and ignition coil. timing but I'm not sure were to start. Small Block Chevrolet Distributors and Ignition System s: This is an area of automotive development that has seen an avalanche of new products and applications in recent years and will see continued expansion of your available choices. Follow the instructions for your engine. The timing procedure for the 318 is similar to that of the other Chrysler "LA" series engines. i need to know if someone knows what side of the balancer it is supposed to be on and where the mark on the balancer is supposed to point at TDC, and also please confirm that the firing order is 18436572 but it goes counter. If the IC mode changes due to a system fault, the system will stay in default until the ignition is cycled OFF/ON, or the fault is no longer present. The initial timing is somewhat irrelevant, and will not optimize your timing for best performance. i have a pontiac 455 that i just changed the headgaskets on. A significant decrease in NO emission was observed for all WOT and SPGs. The MSD 8563 Pro Billet distributor is the best for a crank trigger setup. The 455 wielded massive horsepower, but a new horsepower rating system and tighter emission controls drove the 455's power lower each year until GM abandoned the engine in 1976. Rotate the engine until No. How To : Replace the ignition coil in a Chevy Venture or Montana Every van is put together in a different way, so make sure that the car you want to fix is either a Chevy Venture or Pontiac Montana. Optimizing the ignition timing curve is a cheap and easy way to. timing curve. Like all PONTIAC engines since 1955, the firing order sets is: 1-8-4-3-6-5-7-2, all by turning it counterclockwise. It has chip in the key for the ignition, could that be it? I want to take it in to the mechanic but would like to have some idea what what might be wrong with it first. Engines with a combination of items from both columns will require a timing that is set in the mid range. Was reading up on ignition timing in my authentic Pontiac shop manual. Pontiac Fiero - Adjust Ignition Timing - Denver, Colorado Robert was knowledgeable, professional, and knew his way around well on my pontiac 1986 fiero gt! He trouble shot and went through the motor well, Robert is VERY good at what he does and explains thing's well and patiently. Shop millions of cars from over 21,000 dealers and find the perfect car. A stock Pontiac starter is designed to turn over a production-type Pontiac V-8 that operates on pump gas and uses original equipment. If converting from a point style ignition, all primary Ignition resistance should be removed. Pontiac 400 (408) 425 HP Four Bolt, #16 Heads Blueprinted, Dyno Run, Street Ready DP-BAX 425HP-Pont MAY08 Description This is a 1970 Pontiac 400 4 bolt main block and caps built as a 1970 front accessory engine with #16 (1968 DC heads). Sense of Timing: by Bill Boyle: Oh yeah, ignition timing matters! I have this project car (sound familiar) and it just wasn’t accelerating very well from a dead start. races to inspect your. There are currently two types of ignition systems in use in cars and trucks. Timing is set between 12-14 degrees at idle, for best start. Timing Chain Kit Contains: Camshaft Sprocket, Crankshaft Sprocket (2), Timing Chain (2), Chain Tensioner (2), Tensioner Guide (2), Chain Guide (2). TIMING PROCEDURE Reduce idle speed to 400 RPM. the stats, 8ba with 400 miles. For racing we turned the pistons around and added the ½ degree to the power stroke. 4L 2BL 3 Carb HP 8cylThe Ignition Timing 6 Degrees Application: With automatic transmission With A. Recent enhancements have increased the value of this information when servicing newer vehicles. My concern is how much ignition can I give it? I have heard never more than 44°, but with the old vacuum distributor you set the mechanical advance to 36° total timing and the vacuum added 10° to a total of 46°. Parts Included: 1 - Timing tape sheet (8 tapes) Note: The MSD Timing Tapes are used so you can accurately set your initial and total timing when. (Air injector reactor system) Before top dead center *Set at 575 warm idle speed (with A/C) *Set at 500 warm idle speed (without A/C) *Distributor vacuum hose disconnected & plugged *Transmission in drive (parking brake engaged) *All accessories off. My day job is as a consulting engineer (although not in the automotive industry) so I have an engineering interest in the technical aspects of automotive design. Home delivery or in-store pick up available. The average cost for a Pontiac Firebird ignition timing adjust is between $35 and $45. Power is produced by an overhead valve, 6. If the base timing setting is wrong the advance curve settings can also be wrong. A sensor housing is insertable in the bore, while a variable reluctance probe is disposed in the sensor housing. All other modifications will be futile unless the valve events and compression pressure have been carefully dialed in per desired state of tune. Significantly increasing the compression ratio, such as that required for competition engines, raises the amount of cylinder pressure the starter must work against when attempting to fire the engine. If you have a stock distributor and know either the timing at idle or the maximum advance at a given engine speed and you have a good timing light, you will have no trouble setting timing. -Davis Unified Ignition is the flagship product, and is ran on vehicles worldwide. With this new system came the 30,000 volt high energy ingition coil. Your engine needs proper ignition timing to ignite the fuel at exactly the right time. The timing procedure for the 318 is similar to that of the other Chrysler "LA" series engines. The two most common frustrations that people experience in cam degreeing are: 1. So anytime you find an ignition problem that is. 0-liter four-cylinder engine. Shop millions of cars from over 21,000 dealers and find the perfect car. ignition timing. Check the ignition coil primary coil resistance by connecting an ohmmeter between the positive (Black wire) and negative (Green wire) terminals on the coil. 040 over, tmeyer pistons, 11:1 compression,lunati solid lifter cam, trick flow 195 cnc heads, preform 750dp, msd full. It was a side-valve design with a timing chain, as was popular at the time. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. 1923 to 1937 Standard Auto Electricians Manual Engine Firing Order Ignition Timing Pistons Radiator Timing Gears Valve Timing: Page #0001 Pontiac Pratt-Elkhart. We call this ignition timing and the engine computer precisely controls the instant at which the spark occurs. It is not clear it would be the same amount as the ignition timing. 1mm) wide and the other, is 1 / 16 in. An essential guide to ignition and timing, for classic car owners and restorers. You will need a quarter inch ratchet, a two inch extension for the ratchet and a 732 socket. 42 and it made a HUGE change in how it goes out of the hole. It seems like I'm running too far advanced but I've played with the timing so much. Explore the physics, engineering, design and general guidance of the GM Chevy 350 engine. AutoZone Repair Guide for your Engine Electrical Firing Orders Firing Orders. Now connect your static timing light to the wire leading between the distributor and the ignition coil, then connect the other end to the engine somewhere where it will get a good ground. Welcome to the Pontiac Check Engine Light codes page. New cars are confusing. ICE Ignition specialise in innovative ignition systems and components for the performance car & marine industry. Install our DUI Distributor and add some serious firepower to your Pontiac, Oldsmobile or Cadillac! The DUI (Davis Unified Ignition) has everything you need for the ignition in one simple unit. The improved ignition timing device should address one, some or all of the shortcomings discussed above. Knock Sensor. 1 piston is just before TDC on the compression stroke. Pontiacs like 36 to 38 degrees of total timing, and you want the curve to come in as quickly as possible without getting into detonation. The 400 was inspired by the Pontiac 389 V8 and proved to be the last Pontiac engine with closed chambered heads. In 1935, Pontiac re-introduced their six-cylinder engine, as a 208 cu in (3. Good morning all you Pontiac lovers, What are you guys/gals setting your base ignition timing at on a Pontiac 400? Mine is a fresh rebuild w/ stock compression, 6X heads, Edelbrock Performer cam, stock intake & Q-jet and headers. DISTRIBUTORS & HEI INSTALLATIONS Section 2 “Identification of HEI Ignition Systems" authored by Schurkey. 7L) motor and its use on boats, trucks and passenger cars. ignition timing « previous next I know what you guys are talking about with the Royal Pontiac kit. If you have a stock distributor and know either the timing at idle or the maximum advance at a given engine speed and you have a good timing light, you will have no trouble setting timing. Correct timing is relative to the compression ratio and camshaft timing of an engine, the mechanical condition of the engine, and the quality of the fuel used. Using a timing light set timing to 8 degrees as an average of cylinders 1 and 4. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. The ignition is advanced so you reach peak cylinder pressure right after TDC (top dead center). Lightly moisten paper timing tape to adhere tightly to pulley for marking. Points will do the exact same thing. Many people mix up ignition timing, valve train timing and base timing all the time. Here are some of the most common reasons why the key would get stuck in the ignition. The VVT solenoid system performs the best with clean engine oil. factory timing alignment marks chain sets & belt drives chev luv isuzu 1. I know BTDC, but never saw BUDC. The smaller mark is used for setting the timing with a hand-held timing light. If you buy the Mopar Performance electronic ignition system, it comes with extensive instructions, wiring diagrams, and other information. Easy to use parts catalog. Aimed at both keen amateurs and professionals alike, Ignition and Timing covers the history and evolution of the automotive ignition system, and how to fit, modify and maintain your system for optimum timing and maximum performance. Sense of Timing: by Bill Boyle: Oh yeah, ignition timing matters! I have this project car (sound familiar) and it just wasn’t accelerating very well from a dead start. The car's timing refers to the ignition and the process by which the spark plugs fire, creating a spark in the car's combustion chamber. com charles coker, 1953 pontiac tech advisor. Excessive pinging will require a deeper look into your ignition timing and/or mechanical advance rates. Crank trigger kit for use with MSD 6, 7 or 8-series ignition and timing accessories. Depending on the age of who you ask, and their own experiences you still have a 50-50 chance of one or the other. The distributor timing will make up for it being a bit off. The timing procedure for the 318 is similar to that of the other Chrysler "LA" series engines. Timing is correct 13726548 for roller 302. Valve timing and compression pressure are the two most important factors that effect an engine's performance. You can go the whole life of the vehicle and this typically won’t happen. It is not clear it would be the same amount as the ignition timing. the correct ignition timing would be four degrees. Ignition/Electrical. The timing procedure for the 318 is similar to that of the other Chrysler "LA" series engines. Shop millions of cars from over 21,000 dealers and find the perfect car. Find 8 used 1986 Pontiac Firebird as low as $10,500 on Carsforsale. Correct timing is relative to the compression ratio and camshaft timing of an engine, the mechanical condition of the engine, and the quality of the fuel used. 4b regarding the location and presence of "relay cover" and "tan/black connector wire to Electronic Spark Timing system" whick must be unplugged before checking timing do not correspond with the firewall etc. When it comes to ignitions there are so very many different things that can be done that it is entirely likely that there is a way to make this work. Buy a 1969 Pontiac GTO Ignition Conversion Kit at discount prices. The distributor timing will make up for it being a bit off. But I've found some conflicting answers. See more ideas about Ignition timing, Engine rebuild and Technology:__cat__. Cam Sprocket/Timing Gear (upper) Thread Locker: 45 ft-lbs. 98 For Chevy C10. TBI Fuel Injection Conversion using a GM TBI EFI system! One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM. What we will see here is the wiring diagram of the 1964 Pontiac Tempest part 1, see the part 2 at below related post. Depending on the age of who you ask, and their own experiences you still have a 50-50 chance of one or the other. Note that the cylinder number 1 is the next driver in front of the engine (the same location on all V-engines) or just the first behind the power steering pump. DTC 36 is Ignition timing adjusting signal. An ignition timing device for timing an engine having a timing port includes a sensor securable in the timing port to provide a timing mark signal. If, for example, you have copied your high octane ignition timing tables over to your low octane tables and you have added some degrees to your timing tables here and there in an effort to make power and on a datalog you see ltft data in the + area like you have lean spots in places, then maybe you might want. It has a 400 ram air engine with an HEI distributor, 8. Flathead Six 208. March 2006. The key fob (if applicable), should also be removed from the key ring. Engine, horsepower, torque, dimensions and mechanical details for the 1987 Pontiac Firebird. The ignition module starts to turn On and Off the ignition coils in their proper firing order to create spark, after the crank signal arrives. Edelbrock Performer RPM Manifold and Timing Control Module is designed for the popular Chevrolet LS1 (5. [email protected] CAUTION: You must recheck your piston to valve clearance after advancing or retarding you camshaft timing. IGNITION TIMING 1966 Pontiac GTO 6. it was a very hot day in Michigan. There were few differences on the 1967 GTO from the previous year. Ignition Timing Adjustment Switch Circuit Malfunction 1999 ISO Peugeot Partner 2005 ISO Diesel Belgium Plymouth Neon 1999 ISO Gas Canada Pontiac Aztec 2001 VPW. Pontiac Saturn Subaru Toyota Volkswagen : Jim Grant's Tech Tips ‘93 Mitsubishi Diamante, Setting Ignition Timing. You may have to clean or change the fuel injectors or fix a broken gas cap. With all the computers, sensors, and gadgets, it may seem like there's some sort of magical witchcraft taking place under the hood. Now, you know the idle timing that produces the highest vacuum and the total timing that gives the best high rpm power. 5, and Tech IV) is a 151 cu in (2. Pontiac Check Engine Light Codes. How to Adjust Timing. timing indicators To complement chrome front covers, Milodon offers chrome plated timing indicators that are also degreed to facilitate accurate ignition timing. What Happens When the Timing Is Advanced It has long been held, and demonstrated at the Club's Dyno Days, that advancing the timing to 13 to 14 degrees before top dead centre (BTDC) is a cheap way of achieving lower rpm performance in the Mazda MX-5 1. DTC 36 is Ignition timing adjusting signal. 8 ltr ohc chev luv isuzu gemini 1600, 1800, 2ltr gm chevrolet nova 1600 oh twin cam gm chevrolet nova 1600 single ohc gm chevette & pontiac 1000 cc ohc gm-411 diesel isuzu 1800 cc. Pontiac Star Chief Ignition Systems - Buy Star Chief Ignition Systems Star Chief Ignition Systems are a great way to improve your vehicle. 1971 Pontiac 455 Ignition timing? If the engine is stock, I'd set the initial timing at 12, make sure the timing mark starts to move when you rev the engine off idle, and watch it advance up to. 70°-100° C. Remember that it’s average power that accelerates your car, not the peak. Ignition timing which is too far advanced will leave the flame in contact with the piston, valves and heads for a longer duration on each combustion cycle because the valve train controls when the exhaust opens and ignition timing doesn't change that end of the process. As soon as the ICM gets the crank sensor signal, it starts activating the ignition coils sitting atop of it. 1923 to 1937 Standard Auto Electricians Manual Engine Firing Order Ignition Timing Pistons Radiator Timing Gears Valve Timing: Page #0001 Pontiac Pratt-Elkhart. Pontiac Check Engine Light Codes. i have a pontiac 455 that i just changed the headgaskets on. Enter Diameter and Width to calculate and print paper Timing Tapes. See more ideas about Ignition timing, Engine rebuild and Technology:__cat__. A stock Pontiac starter is designed to turn over a production-type Pontiac V-8 that operates on pump gas and uses original equipment. 700 in the wire between the ignition switch and the coil (+) terminal. It works best with today’s gasolines. Note that the cylinder number 1 is the next driver in front of the engine (the same location on all V-engines) or just the first behind the power steering pump. I have a 1969 , 400 , in a 1965 lemans were should I start with the timing ,seems to run smooth at 5 btdc Welcome to Pontiac Owners 2. Ignition timing and valve timing are relative to each other. Try about 8 degrees additional advance (i. (Air injector reactor system) Before top dead center *Set at 575 warm idle speed (with A/C) *Set at 500 warm idle speed (without A/C) *Distributor vacuum hose disconnected & plugged *Transmission in drive (parking brake engaged) *All accessories off. Common problems, firing order, torque and horsepower ratings for the 389 engine that was built by Pontiac motor corporation. 1965-75 Pontiac & Tempest engine tune-upspecifications including timing, dwell angle, and spark plug gap, and firing order. I know it's 100% original, never been rebuilt. How to set the ignition timing on a V6 Fiero · Correct timing for a V6 Fiero is 10 degrees BTDC. The valve timing changes too, but a few degrees change in the valve timing are not as critical as a timing change in the ignition system. 2007 Pontiac Solstice : Engine Mechanical > Engine Mechanical - 2. As mentioned check all timing components for proper working order. My day job is as a consulting engineer (although not in the automotive industry) so I have an engineering interest in the technical aspects of automotive design. 7L Ignition timing adjustment connector. It is not clear it would be the same amount as the ignition timing. The timing cover used on '66 and '67 employed a small timing scale marked -4-0-+6 and is otherwise identified as casting #9783130. Two suitable methods are shown: a. Sense of Timing: by Bill Boyle: Oh yeah, ignition timing matters! I have this project car (sound familiar) and it just wasn't accelerating very well from a dead start. Static Ignition Timing. You can now select the centerplate/weights (HEI) that will give you the desired curve. Most notable were the twin pin stripes along the upper beltline and body side accent moldings were slightly revised. i also knew i needed front brakes. So if your WOT timing is likely 26-30 degrees NA in an LS and running 10 lbs boost, you will reduce timing to 20 degrees give or take. (Air injector reactor system) Before top dead center *Set at 575 warm idle speed (with A/C) *Set at 500 warm idle speed (without A/C) *Distributor vacuum hose disconnected & plugged *Transmission in drive (parking brake engaged) *All accessories off. Could you explain me the procedure to follow, to set ignition timing on a 1988 Trans Am V8 5. Mallory has trouble shooting instructions on their web site, might be worth taking a look. 040 over, tmeyer pistons, 11:1 compression,lunati solid lifter cam, trick flow 195 cnc heads, preform 750dp, msd full. A key getting stuck in your Firebird's ignition is not the most common problem. What does that U stand for? Also, I have the 12 volt inductive timing light. 8 degrees before top dead center. Looking for a 2005 Pontiac Vibe Timing Chain Kit? Get yours at Wholesale Prices and Free Shipping over $50 only here at AutoPartsWarehouse!. Ported vacuum is the choice of the. If you don’t have a good starting point, driveability diagnostics can be a frustrating experience. i really dont know what to look for anymore and its driving me insane. i believe the timing sets at 6 degrees on that motor,,since you have the electronic distributor in it you actually Can play with the timing on it,,and power set it,,this is simply a method of setting it ,,so that it runs the best,,how you do it,,is you run the timing up on it until it starts too miss just a little,,then you take it back down slightly until the miss just goes away,,this is how. locate the ignition ballast resistor (or loom resistance wire). 1987 Pontiac Firebird technical specifications and data. Small Block Chevy - 7" Balancer. General Motors produced the Pontiac 455-cubic-inch V-8 engine from 1970 through 1976. My concern is how much ignition can I give it? I have heard never more than 44°, but with the old vacuum distributor you set the mechanical advance to 36° total timing and the vacuum added 10° to a total of 46°. Overlooking the basics will leave to frustration and unnecessary time and expense. races to inspect your. The original factory-specified timing settings are generally not accurate for our traditional Pontiac V8s on today's pump fuels, nor are they optimal for any modified cars. Before you buy, take some time to read through customer reviews. Good morning all you Pontiac lovers, What are you guys/gals setting your base ignition timing at on a Pontiac 400? Mine is a fresh rebuild w/ stock compression, 6X heads, Edelbrock Performer cam, stock intake & Q-jet and headers. The parts and labor required for this service are. So I want to find the culprit in this. If, for example, you have copied your high octane ignition timing tables over to your low octane tables and you have added some degrees to your timing tables here and there in an effort to make power and on a datalog you see ltft data in the + area like you have lean spots in places, then maybe you might want. It depends on which distributor you have in your '27. They are usually both pretty close, so if it's a hassle to get to #4 (snorkel in the way, etc) just use the #1 reading. The best way to arrive at a suitable ignition curve for your engine is to use the Ignition Timing Factors Chart as a guide. 4L 2BL 3 Carb HP 8cylThe Ignition Timing 6 Degrees Application: With automatic transmission With A. The ignition system on your car has to work in perfect concert with the rest of the engine. 1935-53 Pontiac 6 cylinder distributor cap and rotor --part#DR55/DR46: Studebaker. I've read something about putting a jumper wire on some terminals in the driver console area inside the car cabin. But with the proper tools, adjusting your ignition. This is a GM/Pontiac engine with GM’s high energy ignition (HEI) electronic ignition system installed. Every motorist knows the ignition system belongs to the most important ones in any vehicle equipped with a gasoline engine. What is the correct ignition timing setting on a 1977 Pontiac 400 v8 engine? Answer. CAM DEGREEING PREPARATION. Ignition timing is easily the single most important tuning adjustment on an internal-combustion engine, yet the concept of ignition curves continues to be elusive for many enthusiasts. Using a timing light set timing to 8 degrees as an average of cylinders 1 and 4. Part Ref#s: 12578518 12628348 12646784 12655421 2T1015 TS1015 917216. He say the Pontiac engines have the timing adjusted with vacuum blocked and then connected so the engine is having 20-30deg ideling and 50-60 deg with full mechanical and vacuum advanse. DISTRIBUTORS & HEI INSTALLATIONS Section 2 “Identification of HEI Ignition Systems" authored by Schurkey. A weld was added to the underside of the "advanced plate sleeve" to provide additional stability to the magnet sleeve for more accurate timing, and increased circuit protection has been added to the sensor module - making the unit less susceptible to noise or timing fluctuations. But with the proper tools, adjusting your ignition. where do i set the crank gear and where are the - Answered by a verified Auto Mechanic. Ignition timing is a tuning tool for professional Top Fuel drag race engine builders. This board also allows the ignition timing advance to work correctly on the 1981 Turbo 4. Check along the fuel pump and spark plugs and look for any drop from the fuel tank. The distributor is a replacement, but since car runs well did not bother modifying it. TBI Fuel Injection Conversion using a GM TBI EFI system! One of the most popular EFI conversions to older Chevy engines or any engine for that matter is the GM TBI system using the 1227747 ECM. IGNITION TIMING 1966 Pontiac GTO 6. Strange noises coming from the engine are also huge red flags. Position of vacuum advance canister should be noted. of my 1995 Chev. When the system is running on the Ignition Module, that is, no voltage on the by-pass line, the Ignition Module grounds the EST signal. Engine, horsepower, torque, dimensions and mechanical details for the 1987 Pontiac Firebird. Toyota Previa & 1992 Supra Ignition timing adjustment connector. The code definitions are a good starting point when determining the cause of the service engine light but where do you go from there?. MSD IGNITION • 1490 HENRY BRENNAN DR. This is the new KRE 1964-1968 aluminum Pontiac timing cover! This Pontiac timing cover is made by precision sand casting 356-T6 aluminum and comes with the following features: Tin Indian Performance Crank Seal installed; heater nipple drilled. ,,,,In states that are not part of the recall, GM will offer free repairs of the condition for up to 10 years from the date of production or 120,000 miles for the 2006-09 model year Chevrolet Cobalt and Pontiac G5; 2006-07 Saturn Ion; and 2007-09. Simply unplug the faulty ESC module and insert the board into the electrical connector. No I don't mean harder plugs, competition coils, lumenition etc. The timing cover used on '66 and '67 employed a small timing scale marked -4-0-+6 and is otherwise identified as casting #9783130. Get the best deal for ATP Engine Timing Components for Pontiac Phoenix from the largest online selection at eBay. The '68 timing cover casting number is 9790347 and. A sensor housing is insertable in the bore, while a variable reluctance probe is disposed in the sensor housing. Overlooking the basics will leave to frustration and unnecessary time and expense. first let me thank you in advance, thank you. Please set it about 10 to 12, instead of 5. First, go down to the. One timing mark is 1 / 8 in. Welcome to the Pontiac Check Engine Light codes page. If, for example, you have copied your high octane ignition timing tables over to your low octane tables and you have added some degrees to your timing tables here and there in an effort to make power and on a datalog you see ltft data in the + area like you have lean spots in places, then maybe you might want. Another great feature is for the forced induction fans.