Guys running a high performance HEI Distributor in my 72 Nova SS 350 Engine. The Blazer had very few feature changes this year except for a new grill and a soft-top for an additional charge. I have a problem with a 98 Chevy 4x4 5. 3 liter Chevrolet and will this cause it from starting? Answer. Still not the fat blue popping spark it needs to start. 1990 Chevy Silverado - turns over, but won't start so I bought a 1990 Chevy Silverado with a 5. K1500 1999 Vortec 350. If pressure does not increase, the Engine Control Module (ECM) will check for leaks in the line between the fuel tank and EVAP canister purge volume control solenoid valve under the following vacuum test condition. i have a 80 model 350 in my c10. One week after putting a new set of AC Delco plugs in it, it developed a skip. A good spark will be blue-white and will be plainly visible in daylight. hello all,, i have a Chevrolet 1500 Silvrado Z71 2003 with start problem, it will not crank at all,, battery good and took it to the dealer and started fin without any problems there, but some times it will not crank at all, but it will start if i keep try for 10 or more times!!!. This may be as simple as spark plugs or spark plug wires but may also be a more serious internal engine problem like a burned valve. Computer, Ignition, & Fuel Systems - i'm a newbie and with a weak spark on 99 silverado 1500 4. Adjust the #1 intake valve. Hello all, My 1998 chevy silverado 5. Re: No spark from coil chevy 350 If you grounded the neg terminal of the coil to the battery or the block. it has good fuel pressure but the spark is weak tested it with a spark tester and it is orange to yellow in coller like a weak coil does this year chevy have any oth … read more. trailering package, you should be familiar with the weight ratings specific to your Chevrolet vehicle, which are detailed on pages 09–13. 4 Spark plugs. Our new Deluxe DUI for Street/Strip applications encompasses every feature you could want in an ignition system. Other problems that cause acceleration stumble include vacuum leaks, low fuel pressure, a weak spark caused by low coil voltage or bad coil(s), retarded ignition timing, and contaminated gas. what is happing is from time to time it falls flat on it's face with no spark from a stop light or at cruising speeds and putting my foot into it, I have to put it to the floor and within a few seconds it will s. I only check one wire, I suppose it's always possible that the distributor contacts for some other wire have failed, but even if only a one or two of the spark plugs are getting spark, the engine should attempt to fire. One of these components is the electronic spark control module, commonly referred to as the ESC module, or the ignition module. Computer, Ignition, & Fuel Systems - i'm a newbie and with a weak spark on 99 silverado 1500 4. It still won't run. The hammer-like shock waves created by detonation subject the head gasket, piston, rings, spark plug and rod bearings to severe overloading. Of course, if you get one of the store "experts" like they hire these days who only knows how to look up specific cars in the computer, you might be in trouble. July 4, 2016, 8:51pm #1. 1955 Chevy Gasser Project Excellent body, wish I started Flapper Gassed with this body Body has been gutted so don’t ask if it is a street car Front Axle is 55 57 Chevy Truck Axle Eaton front springs Vega steering box Motor plate and Mid plate in Chevy 12 bolt rear end I have Calvert rear Springs can go with it Ladder Bars included but not installed Drive Shaft Brian Kresman built 468 BBC. by Kyle McFadden. Edelbrock is the most respected name in performance. HEI and ELECTRONIC SPARK CONTROL FUNDAMENTALS AND TROUBLESHOOTING Troubleshooting the HEI coil in cap ignition. 055" unless pre-set by the manufacturer. A vacuum leak on a fuel injected engine will cause high idle. Since I didn't see a grounding problem or problem with the voltage source for the coil, I suspected a weak coil. 5ms and 10 to 15 degrees CA. go buy a new coil. I actually had this problem with an old Honda. This page is devoted to the evolution of this iconic car through each of the five model generations. Suddenly spark gets brighter and the motor starts right - Chevrolet 1998 K1500 question. Any auto parts store with have one. im still up in the air with it tho, if anyone has any pictures of it i would love to see them. Heres my problem: I was driving along and I lost all power in the cab of the truck, the head lights worked but nothing else. The fuel burns and powers the car. 3L is one of the most common engines on the road in America. Get detailed information on the 2008 Chevrolet Silverado 3500HD including specifications and data that includes dimensions, engine specs, warranty, standard features, options, and more. The advantage of inductive ignition is its long spark duration and good spark energy. When dealing with ignition components, they are generally replaced as. The fuel pump on a chevy small block is located on the passenger side front corner of the engine. To see how frequently Chevrolet Impala problems occur, check out our car reliability stats. Orange and yellow come from particles of sodium in the air ionizing in the high energy of the spark gap. 5 volts in “Key On” position and 11. There is even less energy available to keep the spark plug lit and turn the fuel into power. Pre-ignition is caused when a spark plug is so hot, that it begins to glow and ignite the fuel-air mixture prematurely, before the spark. Hey guys, excuse me if my grammars isnt that good, but english is not my first languages. How to Connect a Tachometer to the Chevy 350. A bright blue spark is best. Found no spark. then i pull the coil wire from the cap and check it same thing. 89 TBI Suddenly No Spark! Where to look first? as a yellow spark is a weak spark. Remove a spark plug, connect it to the spark plug wire and graound the plug against the engine. Engine received GMPP Vortec head upgrade, new AL intake and new Quadrajet, really improving the original 350's performance. If this process does not operate the way it is supposed to, ignition coil symptoms appear. It is a mystery to me, but ignition coil MAY be bad if you can trust a multimeter to measure as low a 0. i ran a comp test on all the cylinders and number 2 has the highest at 165 the rest are between 150 and 155. If it's been a long time since you had a tune-up done last time, it's a good way to start; at least you will eliminate spark plugs and other tune-up items as a possible cause for misfiring. I have an 84 Sierra with a small block 400 in it with HEI. • Many spark plugs have a service life of over 20,000 miles (32,000 kilometers). Ideal for points or electronic ignition. the spark was weak with bright orange/red not blue. The most common symptom of a faulty ignition coil is when the car runs for a while and the engine dies abruptly. I am thinking it could be the ignition module but am not sure any help is. the spark was weak with bright orange/red not blue. Classic Chevy Parts Exclusively For 55-56-57 Chevrolets, Tri-five Chevy Accessories, 1955,1956,1957 Classic Chevy Reproduction, New, Used And Nos Parts For Chevys, Restored Or Custom. As the engine RPM climbs, the voltage supplied to the spark plug by the ignition coil drops off slightly. Chevrolet Impala Engine Problems. Truck will crank but will not start? Truck will crank but will not start? I have a 97' cavalier 2. 5 while cranking volts there may be a battery issue. For example, instead of getting spark everytime the engine turns over,. A bright blue spark is best. If you don't have a helper, you can do it this way: Pull the hi-tension lead out of the distributor cap and hold near ground. The ignition coil is the source of the spark that ignites the air-fuel mixture in the engine's combustion chamber. Verify you have spark on both sides of the engine. the throttle body is dumping fuel into the motor. My thoughts were the module too, and if you take yours to the auto parts store and tell them 70's-80's Chevy V8 and show them yours to compare, you might be able to find a match. Excessive changing of the spark plug gap setting will result in weakening of the spark plug ground electrode and can lead to breakage. Adjust the #1 exhaust valve. Adjust the #7 intake valve. A new set of Chevrolet commercials is out and if you thought the last wave of Silverado steel bed ads were a direct attack on the top-selling aluminum Ford F-150, you haven't seen anything yet. This electric spark has to happen at exactly the right time or the engine will not run properly. Troubleshooting techniques fall into two categories, depending on the nature of the problem. If, however, there is no spark or a weak spark, then further ignition system testing will have to be done. I had it happen on my '94 GMC Sierra 3500 Xcab with a 350 SBC. There are many reasons why an engine won't start. use bigger cables and make sure the battery is fully charged. Ground the threaded part of the spark plug to the engine block. DefinitionA spark plug has two electrodes at the very bottom of it -- a ground electrode and a center electrode. My Engine Turns Over OK But It Won't Start If your engine won't crank or turn over, go HERE. 7 L) small-block that became the GM corporate standard. banging or knocking), it is easiest to first check for spark (ignition) and fuel. When a vehicle will not start, misses often or stalls frequently, its. How to Diagnose a Loss of Spark in Your Car Engine. Or you could have a weak spark. Third Generation F-Body Message Boards. 5ms and 10 to 15 degrees CA. It is immediately in front of the motor mount. 7L (350) TBI off Craigslist. (which calls for hot plugs that resist fouling) yet be capable of extended WOT operation (which calls for cold plugs and maximum heat transfer to the cylinder head). Has a machined base for an accurate fit and includes cap with brass terminals for improved conductivity, rotor, and high-RPM control module. 1994 Chevy Truck Won’t Start But Lots of Fuel at Throttle Body. Useless for any road bike. Other problems that cause acceleration stumble include vacuum leaks, low fuel pressure, a weak spark caused by low coil voltage or bad coil(s), retarded ignition timing, and contaminated gas. R43TS?? Those won't work. Since 1938, Edelbrock has manufactured its core products in the USA for quality & performance. I used a test light at the points and the light flash's when the engine is cranking-so the distributor is good. As for slow turning. If your spark plugs look good, problems with your ignition system can also be preventing a spark. The fuel pump on a chevy small block is located on the passenger side front corner of the engine. THE ULTIMATE DAILY DRIVER CHEVY? Ok, so you bought your used Chevy. The truck has 135,000 miles on it, but has never given me any problem. Orange and yellow come from particles of sodium in the air ionizing in the high energy of the spark gap. IGNITION TROUBLE SHOOTING - IG-106. Experiencing low idling in park, Chevrolet 1500 almost dying, sluggish when started and the transmission is weak. I have a 1988 Chevy 350 TBI K1500 truck and need to know could a defective ECM cause it to have no spark. While in general the basic consensus is no, to be quite honest there is definitely sufficient evidence out there today that not all spark plugs are created equal. 5 while cranking volts there may be a battery issue. A spark plug creates the actual spark that is required for an engine to function. As the engine RPM climbs, the voltage supplied to the spark plug by the ignition coil drops off slightly. One of these components is the electronic spark control module, commonly referred to as the ESC module, or the ignition module. REPLACED SPARK PLUGS ,PLUG WIRES,DIST. Objective of this Article. Adjust the #1 intake valve. 3-liter Vortec V6 can prevent the propane from being evenly dis-tributed among the cylinders. • Spark plugs should be inspected when an engine performance problem occurs and should be replaced regularly to ensure proper ignition system performance. The ignition coil in your Ford F-150 or Super Duty is the induction coil that supplies the necessary spark to power your vehicle. But spark plugs can break off, particularly in engines that have been sitting for long periods of time. pos to the battery. A vacuum leak on a fuel injected engine will cause high idle. 0L (302ci), the AMC 360 (the most common Jeep V8, usually found in full-size Jeeps and large AMC cars), and the Jeep 4. It's usually something simple. This refers to a coil that supplies the spark on every revolution so the cylinder will get one during compression and also during the exhaust stroke. Adjust the #1 exhaust valve. Adjust the #7 intake valve. 1994 Chevy G20 van no start/stumble/stall. 7 liter new starter new battery alternator is good spark plugs are good. Plug the spark plug on your ignition coil. 1994 Chevy Truck Won’t Start But Lots of Fuel at Throttle Body. Generally speaking, coil packs are much more reliable than distributors, because. Other problems that cause acceleration stumble include vacuum leaks, low fuel pressure, a weak spark caused by low coil voltage or bad coil(s), retarded ignition timing, and contaminated gas. What part of it gives out the spark? Is it the Coil? And for the module, does that only control the rpm range? i Just built a 350, and it wont start. Founded in 1925, Berger has long been a prominent Chevrolet dealer, and one of the largest Chevy Parts suppliers in the US. Acrobat Printable Version. Craigslist - Vehicles For Sale in Crestline, CA: Certified 2017 Chevrolet Equinox FWD in Riverside, 2003 Suzuki QUADSPORT Z400 in Eastvale, 2004 BMW R 1150 R in Apple Valley, 2004 Suzuki GSX R 1000 in Fontana, 2014 Harley Davidson STREET GLIDE in Riverside. At higher engine speeds, the coil has less time to charge. Spark at #1 plug seems slow and weak. There should be about 12-12. No matter how strong your engine is, you won't get the most out of it without a good spark. im still up in the air with it tho, if anyone has any pictures of it i would love to see them. Find your perfect car with Edmunds expert reviews, car comparisons, and pricing tools. Useless for any road bike. Still no spark. Installed engine and everything is. Jointly developed by Chevy and Buick, it is also referred to as the CBC (Chevrolet-Buick Combined) 350. Generally speaking, coil packs are much more reliable than distributors, because. Ignition Systems Cheat Sheet for the Chevy Small Block For our budget-oriented purposes we find that conceptually at least, GM's HEI distributor is a near ideal choice in terms of practicality. When dealing with ignition components, they are generally replaced as. The already popular Chevrolet Street/Strip DUI is upgraded with new features for the ultimate Davis Unified Ignition package! First, we added the new Cross-Fire Cap which allows the plug wires to be neatly routed to each cylinder bank. they are cheap and makes checking for spark much easier. It was the cap and rotor , they were full of moisture so the spark was weak, so, if you have a good fuel pressure/flow, i would change the rotor and cap. A spark plug creates the actual spark that is required for an engine to function. The following repair strategy should be used when diagnosing a NO START- NO INJ. Technical BBC BLOWER , SUPERCHARGER SPARK PLUGS, AND most of us keep them tight is the weak spark at cranking. I used a test light at the points and the light flash's when the engine is cranking-so the distributor is good. This new distributor fits the SMALL BLOCK CHEVY 265-267-283-305-307-327-350-383-400 that are carbureted. 1990 Chevy Truck no spark. Enough to turn it over, but not enough to really crank it good enough. What spark plug gap would be best for all around Street Performance on this Engine with a 10-1 Compression, World Heads, Etc?. Per se, other than corrosion resistance, there really isn't any big differences between spark plugs intended for inboard or outboard engines and car engines. Founded in 1925, Berger has long been a prominent Chevrolet dealer, and one of the largest Chevy Parts suppliers in the US. • Spark plugs should be inspected when an engine performance problem occurs and should be replaced regularly to ensure proper ignition system performance. Learn what does P0430 Chevrolet Catalyst System Low Efficiency Bank 2 means, location and how to repair?. New gas with sta-bil new fuel filter. Buy your 2012 Chevrolet Equinox key with remote start from us. com is owned and managed by Berger Chevrolet of Grand Rapids, MI. The DUI is equipped with an internal 50,000 volt coil, which will fire a spark plug gap as large as. com : Car complaints, car problems and defect information. This part is essentially an induction coil and, simply put, a high voltage transformer. Sometime banging on the bottom of the fuel tank with a rubber hammer AS someone cranks the engine over can kick start a weak fuel pump. The spark plug wire has a burned area where the spark has been jumping to the engine cover, never making it to the spark plug. I was told the distributor is the problem, is this true? In order for any vehicle's ignition system to work smoothly, the engine distributor should be operating at maximum efficiency. Adjust the #5 intake valve. You crank and crank and crank but it just won't run. No spark - I have a 91 silverado k2500 it stared and ran then i changed the steering column now im not getting spark. A failed ignition coil must be replaced. Replace HEI distributor and no start. 1 cylinder at the front. trailering package, you should be familiar with the weight ratings specific to your Chevrolet vehicle, which are detailed on pages 09–13. MechanicAdvice) submitted 4 years ago by FBGM115 it cranks over fine but 9 out of 10 times it wont start and if it does start and i drive it around it will stall when i come to a stop. it starts up fine when its cold (And its not the starter/battery) but after you drive it for awhile and get it hot, and go to restart it, it takes a minuite to start it back up. 3 cpi Changed plugs, wires, cap, rotor,pickupcoil,and ign module. Adjust the #1 intake valve. Spark color determines virtually nothing. Easily preassemble the manifolds, brackets, accessories, spark plug, plug wires, oil filter, sensors, belts, hoses, distributor cap and rotor, and etc. 7 Chevy,do have spark from coil to dist any Ideas? or you would have a very weak spark that looked more red than blue as it should. Could the coil be weak? or fuel pump? is it possible for an intake gasket to go bad? can i replace the motor with an older 350 and keep my Serpentine belt a/c ect. This Site Might Help You. I checked under the hood and noticed that the fusible link had come off the junction block under the hood, fixed. i have a 80 model 350 in my c10. Check for fuel system problems, or fouled spark plugs. cylinder misfires, rough idle, loss of power, hard-to-start issues, and an increase in gas consumption. What spark plug gap would be best for all around Street Performance on this Engine with a 10-1 Compression, World Heads, Etc?. Also, the spark plug gap should never exceed. it starts up good but has a dead miss on number 2. The DUI is equipped with an internal 50,000 volt coil, which will fire a spark plug gap as large as. When dealing with ignition components, they are generally replaced as. Weak sparks are orange or red and may be hard to see in daylight. Guys running a high performance HEI Distributor in my 72 Nova SS 350 Engine. Adjust the #7 intake valve. The Turbo 350 quickly become known for its strength, versatility and compactness. What cause weak spark on 4. With help from the spark plug experts at NGK, we'll teach you how to diagnose minor tuning issues or potentially major engine problems by examining your spark plugs. The new spark plug has an Iridium tip instead of the current Platinum tip. It depends on the type of spark plug and materials it is made from. What spark plug gap would be best for all around Street Performance on this Engine with a 10-1 Compression, World Heads, Etc?. 46" Domestic Spark Plug by NGK®. The spark duration in Milliseconds is apart of the equations and the less volts you need the more amps and duration of spark and vise versa. it starts up fine when its cold (And its not the starter/battery) but after you drive it for awhile and get it hot, and go to restart it, it takes a minuite to start it back up. The most common reasons for an Ignitor not to work are low voltage or a bad ground (earth). I have an 84 Sierra with a small block 400 in it with HEI. The ignition coil receives a voltage of 12V from the car's battery and multiplies it to a higher voltage level. 7 Chevy silverado 2 of my spark plugs are fouled with gas I changed coolant temp sensor it didn't fix it help please it's rough idle fouled spark plugs with gas miss plugged to computer says miss on cylinder and o2 sensot. Chevrolet Impala Engine Problems. How to Test an Ignition Coil. Weak spark causing motor to flood. Found no spark. Still no spark. 5ms and 10 to 15 degrees CA. It definately seemed to be a fueling problem at first, but since I changed the main and pilot jet and that seemed to cure 65-70% of the problem I was pretty sure I was going in the right direction. Are you having problems at high engine RPM (4000-7000) and wide open throttle (WOT)? If so it could be spark plugs. then i pull the coil wire from the cap and check it same thing. I think the coil is putting out spark, but I didn't have nerve enough to hold it! lol! How can I check the coil with a multi meter? What else can I check? Thanks. Symptoms of Faulty Ignition Coils. This is a common problem spot. Learn what does P0430 Chevrolet Catalyst System Low Efficiency Bank 2 means, location and how to repair?. Complete testing of a coil often involves resistance testing of its windings but also a test of of the insulation of the coil. Check for fuel system problems, or fouled spark plugs. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for. I googled it, and came up with 08 degrees BTDC (before top dead center)for a '79 350 Chevy. Just bought a '94 G20 Chevy van with a 350 TBI, ran great a few days then started stalling at stops. Them have someone try to start the car, if the plug sparks you have FIRE. There are some ways to know when the ignition coil is going bad. When your engine cranks but won't start or run, it could mean your engine is having trouble producing a spark, getting fuel, or creating compression. Heavy-duty coil with 3. I change the oil every 2,500 miles, keep the ignition system updated (plugs, distributor cap, rotor, etc. 7L/350 Chevy small block Gen I Oil Pumps. The 1980 small block 350 Chevrolet engine saw use in a few vehicles, but the spark plug specifications remain the same. In this coil, the electricity has a voltage high enough that it creates a spark in the spark plug, and this ignites the fuel and air combination. The following repair strategy should be used when diagnosing a NO START- NO INJ. Wiki User Asked in Chevy 350, Chevy S-10. You might have spark that is hard to see, but dont have fuel. Since I didn’t see a grounding problem or problem with the voltage source for the coil, I suspected a weak coil. In my truck I have a 366 big block chevy motor and cylinders 2, 3, 5 and 8 are not getting spark and the firing order is 1,8,4,3,6,5,7,2. Its weak point is that at higher engine speeds, there is less time to adequately charge the single coil to. 1994 Chevy G20 van no start/stumble/stall. Ya know the old saying about not fixing what ain't broke? I think spending the dough for 110 octane is overkill for your setup. 1988 Chevy Truck V8 Four Wheel Drive Automatic I wondered if anyone could help me with a question that I can not seem to get a answer to. and Points with a Multimeter using an ignition coil from the Johnson H or T Series. 4 it has very very weak spark it does have a good injector pulse, The truck had a miss I pulled a plug wire to start to check the miss and the truck died and did not restart, …. A clean, white insulator firing tip and/or excessive electrode erosion indicates this spark plug condition. The ignition coil is the source of the spark that ignites the air-fuel mixture in the engine's combustion chamber. To troubleshoot a Chevy 350 engine expediently, you must figure out if the problem is the ignition, electrical, fuel or mechanical. A narrow gap gives out a weak spark, and a wide gap may prevent a spark from getting fired. The wasted spark design cuts the coil charge time in half so is not often used on extreme high rpm race engines. The 2015 Chevy Silverado 1500 is now available with the same basic 6. The ignition coil receives a voltage of 12V from the car's battery and multiplies it to a higher voltage level. spark plug fault diagnosis - The Green Spark Plug Company Symptoms: Dry sooty deposits indicate a rich mixture or weak ignition. Other popular options are the 4. Chevy Distributor HEI Ignition SBC BBC 305 350 400 454 Small Block Ready To Run (Fits: 1965 Chevrolet Corvette) High Performance Spark Plug Wire Set For SBC BBC HEI 305 350 454 Ford Chevy 8MM. Computer, Ignition, & Fuel Systems - i'm a newbie and with a weak spark on 99 silverado 1500 4. You simply pull a spark plug from the engine (or use a spare plug if you have one in your parts box, snap one of the plug wires onto it, and make sure the shank. Overall, a weak—or lack of—spark due to a bad wire, or another failed ignition. I'm not up on the Chevy HEI stuff, can the coil weaken before it goes out? or is the weak spark (yellowish) because of the module?. The 2016 Chevrolet Equinox is nearly 16 feet long and has a curb weight of 3,777 pounds with the four-cylinder engine and 3,922 pounds for six-cylinder models. Its weak point is that at higher engine speeds, there is less time to adequately charge the single coil to. Alfa Romeo Giulia Poised For 350 HP Variant, Cadillac ATS Putzes Along 9. I'm having ignition spark problems that I can't seem to figure out. i get spark, but its really weak. The 265 cubic inch engine was only available on B-body cars. the wire from the the distributer goes to the neg side of coil. This article will help consumers make informed choices while dispelling some common misconceptions. 5 degrees BTDC, and 30 degree BTDC marks using a pencil in the #1 spark plug hole and high school geometry to calculate the distance of the arc for each angle on the pulley. 97 vortec weak spark from the coil no sprak from distrubuter - Answered by a verified Chevy Mechanic We use cookies to give you the best possible experience on our website. A points ignition would, at best, only support approximately 1. Take away any of those elements, and the cylinder will not produce the expected bang. If the spark plugs are new but you see incomplete electric spark, check on the spark plug wires. As you'd expect of a car with less than 100 hp, acceleration is weak with. Diesel engines are much heavier and louder compared to the gasoline engine. It is stil possible that spatk is weak enough to not spark under compression in the engine. CHEVYTHUNDER. ** This is an excellent alternative for those who can not use a standard ready to run distributor because of clearance issues with the chrome box sticking out of the side that houses the module on the standard ready to run. Ignition problems that can cause misfires include worn or fouled spark plugs, bad plug wires, moisture on the plugs or plug wires, or a weak or dead ignition coil (in multi-coil DIS or COP systems). Found no spark. Chris Chris Master Mechanic16 years repairing and restoring classic cars 55,345 Satisfied customers Virtual Assistant avatar Pearl Wilson, Classic Car Mechanic's Assistant 79 Chevy C10 pickup,350. Spark plug knock on a 1998 Chevrolet pickup is an indicator that the ignition timing is correct. ive changed everything from the pick up inside the dist,the module rotor cap wires plugs and coilstill no spark whatsoeverdone a top dead center test, its all still in time. Produces strong, blue spark at the plugs. 3 Ohms primary resistance. You should get some kind of spark, although if you turn slowly the spark may be weak. PULSE condition. hey guys hope you can help. GMPartsNow. hello all,, i have a Chevrolet 1500 Silvrado Z71 2003 with start problem, it will not crank at all,, battery good and took it to the dealer and started fin without any problems there, but some times it will not crank at all, but it will start if i keep try for 10 or more times!!!. 1965-75 Buick engine tune-up specifications including timing, dwell angle, and spark plug gap, and firing order. The age old question of whether or not a spark plug can really increase the performance and economy of a vehicle has raged on for years. Spark plug gaps can hamper the performance of the engine. But prolonged or heavy detonation can be very damaging. RockAuto ships auto parts and body parts from over 300 manufacturers to customers' doors worldwide, all at warehouse prices. No spark in plugs,350,5. How to Diagnose a Loss of Spark in Your Car Engine. The HydraMatic 350 transmission was prevalent in nearly all GM, rear-wheel-drive cars and trucks through 1984. Ideal for HotSpark ignition kits or for use with points. Development of the new third-generation trucks began in 1968 with vehicle components undergoing simulated testing on computers before the first prototype pickups were even built for real world testing. this is a 98 chevy PU 350. ive checked all fuses and relaysI just cant figure it outand by no spark I mean anywhere coil plugs. Spark at #1 plug seems slow and weak. Research, compare and save listings, or contact sellers directly from 375 2018 Silverado 3500 models nationwide. 055" unless pre-set by the manufacturer. 1 ohms correctly. What you found is not necessarily a weak spark. Its weak point is that at higher engine speeds, there is less time to adequately charge the single coil to. the wire from the the distributer goes to the neg side of coil. Of course, if you get one of the store "experts" like they hire these days who only knows how to look up specific cars in the computer, you might be in trouble. com : Car complaints, car problems and defect information. Discussion in 'The Garage' started by kenny61, Oct 9, 2011. I ran down to Advance and got a new coil and still no spark. CASE 2: If you got NO spark from all of the spark plug wires: This result doesn't condemn any specific component just yet. There is an old adage saying, "90% of all carburetor problems are electrical". Thsoe plugs are for the '69 and later heads that use the tapered spark plug seat, intead of the gasket style plugs used on the older engines. edelbrock Marine heads come with valves and seals only. 1994 Chevy G20 van no start/stumble/stall. A brief intro so that my current project does not turn anyone off, I will be restoring my fist car once the current project is complete (resto starts. HOWSTUFFINMYCARWORKS 595,245 views. 1955-1996 Chevy Small-Block Performance Guide: Ignition System Manual (Part 8)- Includes Photos, Tips, Images, and How-To Instructions. The exhaust headers create a lot of heat near the starter and probably also along the fuel lines so heat from the engine and from summer weather may be causing my "vapor lock" problem.