350 Vortec Weak Spark

Severe cases require professional cleaning equipment. 1996 c3500 No Spark, Wont Start chevy pickup 5. Upon further investigation, technicians may find cylinder #1 and #7 spark plugs oil fouled and/or the porcelain may be cracked or broken on the combustion chamber side. The Soft Touch produces a load-free rev limit that. Intake manifold-to-head gaskets can be a source of leakage in gasoline engines where the manifold covers the tappet chamber. Replied by blat88 on topic Car has weak spark- need help finding source I'm assuming I have a new wire from coil to cap, I got a whole new distrib already put together. Installing Chevrolet & GM Engines into the Jeep YJ Wrangler. It has had a history of hard time starting the vehicle. If it's no spark, it's most likely a bad ignition coil. Finally, review a list of symptoms that helps you identify the failed fuel injector from other common Vortec V-6 issues. A carburetor calibrated for high altitude driving will run too lean if driven at a lower elevation. The ignition coil is truly an amazing little device. 750) reach, small (5/8") spark plug socket. 7L Vortec head can be used on the 305. This assumes you’re talking about the squared lump inside the combustion chamber between the spark plug and the chamber edge. The TH350 is an automatic shift, three-speed transmission. 7L Vortec operator's manual online. The only differences were the addition of the TPI (1985) and improvements in the valve train (1987). When setting base timing on a distributor based system, the ECM supplied voltage is removed from the bypass circuit so the ignition module assumes direct control of spark timing advance. go buy a new coil. Vacuum Leak Symptoms: Difficulty Starting Engine. This information is used by the Engine Control Module() to control ignition and fuel injection. Weak spark causing motor to flood. I helped a co worker and he had 4 break. Breaking the spark plugs insulator (the porcelain part) when tightening the spark plug. Check the fuel system and/or stark timing. 7L/350 Chevy small block Gen I ACDelco Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing!. spark plugs for Vortec heads? Hi Performance. 7L V-8 engine delivers excellent performance and durability for a variety of applications. The Vortec heads are much like other stock small-block heads in that the intake port flows fairly well, but higher rpm power is limited by a weak exhaust port. Whenever I ask someone about the bigblock, they automatically say. It starts up everytime but i have to give it gas and usually hold it for a couple seconds for it to idle or it just sputters and shuts off. The Soft Touch produces a load-free rev limit that. Do the old school thing. Who here has gone over 250k on a 5. If you have points, ch. Straight spark plugs. Nothing will hook up, and the fuel system is wrong in your truck for the Vortec set-up. Harding County South Dakota; Austria Krems an der Donau. The signs of a failing ignition coil include backfiring, starting issues, lowering gas efficiency, engine misfiring, vehicle stalling and worn out spark plugs. Find information about GM's 4. The black wire connects to negative ( - or 1 on Bosch coil). 5 Best spark plugs for Vortec (Chevy Silverado) & Buyer's Autokwix. But first the basics. That makes Vortec a real winner in my book! Recommended Spark Plugs for Vortec Heads. MSD 5554 Street-Fire Spark Plug Wires Set, Small Block Chevy 350 HEI 350 Chevy Small Block V8, Spiral Core Conductor Style, Assembled, HEI / Male Cap Terminal Style. The TH350 is an automatic shift, three-speed transmission. Who here has gone over 250k on a 5. Failing spark plug wires cause all these above issues and will ultimately clog your catalytic converter. i posted this on other car boards. The engine is made of an iron block, whereas the spark plugs are made of aluminum and steel threads. Quiet and long lasting, but weak fuel delivery. use bigger cables and make sure the battery is fully charged. Jim Grant's Tech Tips '97 Chevy Astro, No Injector Pulse. Using the Chevy Vortec ignition module that General Motors used on the '96-'00 pickup trucks with the 350 Vortec. 50-inch valves. now if you have a 383 or 350 with at least a level 5 camshaft then you may need to use the PCV valve that GM uses in their ZZ383 crate engine. Just bought a new engine from JEGS because the old one would not start and had over 300k miles on it :). Hi Guys, What spark plugs would you recommend for the Merc 5. The name first appeared in a 1984 advertisement for the 1985 model year 4. Of note, the truck only has 137k miles on it and I have only replaced the plugs 1x. For example, instead of getting spark everytime the engine turns over,. General Motors LLC (GM) is recalling certain model year 2014-2016 Buick Lacrosse and Chevrolet Spark EV, Caprice PPV and SS vehicles, 2014-2017 Buick Encore and Chevrolet Corvette, Silverado 1500. Choose from iridium, platinum, or copper spark plugs for your ignition needs. Ok, I have read that thread and many more on this forum and still cannot verify if the 1997 vortec 5. Please view the application guide below. 3L Vortec, the LM7, produced 270 horsepower and 315 lb-ft of torque. Worn Spark Plugs. Question 1994 chevy 350 weak spark, help! Discussion in 'General GM Discussions' started by brad12, Oct 15, 2015. Champion spark plugs are original equipment on many inboard and outboard motors and are excellent replacements for everyday engine maintenance. Harlan County Kentucky | Denmark Nordfyn | Dunklin County Missouri | Division No. Vortec is a trademarked name for a line of small block engines for General Motors trucks. what is the function of the egr valve? Can it be repaired or does it need to be replaced? 3 liter Vortec. 0mm Red Silicone Spark Plug Wires SBC 1996-2003 (SBC-VORTEC-V8-RD) BOOT FOR SPARK PLUG. If you look at the scan data, July 2000 23 The EGR valve on the Vortec V6 sticks open frequently as a result of carbon buildup. The ignition is a HEI ignition and has the coil mounted in the distributor and also a vacuum advance distributor. I have a 1990 Big Bear 350 4x4, and i have a spark problem : has spark 2, 3 seconds after that has no spark and again 2,3 seconds spark after that no spark I checked the stator and is within normal parameters Coil and spark plug ar new cdi is ok Im sorry but I used google translate because i am f. The truck has 135,000 miles on it, but has never given me any problem. Observe all safety precautions and warnings in the service manuals when installing a 350 HO engine in any vehicle. I had a spare good module which ive swapped and it made no difference. Ok I have a 4. 7 Vortec with a misfire, P0300 code for 3 months. I've done a complete tune up and even run injector cleaner and seafoam through it. How to Clean Fuel Injectors. Performance tunes differ in that the set of instructions are contained on flashable memory housed inside the computer. According to him they are getting this from a test light reading. dropped in teens one morning it wouldn't start. Did you do any recent work on the engine? On 96 up the spark is decided based off the crank sensor readings, if the crank sensor is bad / disconnected or if some one reassembles the motor with out the reluctor wheel or improperly installs the reluctor a no spark can occur. The truck engines have a cast iron block with aluminum heads and a different intake manifold with the plenum above the runners. 350 Chevy Small Block V8 Spark Plug Wires in-stock with same-day shipping. New carburettor, new distributor, new plug wires, oil pump, water pump, rebored, new pistons, rings, bearings, new TP 100 sensor. The name first appeared in a 1984 advertisement for the 1985 model year 4. The Vortec Bow-Tie head has a superior chamber design. Attaching some numbers to this, an HEI system can arc a spark plug for 2ms and 20 degrees CA. Need more info like what engine did you swap for, HEI or points. Skip to main content RED Spark Plug Wires VORTEC 5. Both trucks have the 4. If your car is running anything other than what is suggested, you may have knock. In addition, you'll also see damage to the distributor rotor. You may also find the Champion spark plug code helpful. The only differences were the addition of the TPI (1985) and improvements in the valve train (1987). Spark plug wires have been checked and are in the correct firing order. The 2007 Chevrolet Silverado has 5 problems reported for loss of power when accelerating. Vortec head they moved the spark plug in the combustion chamber closer to the exhaust valve, so that puts those two center spark plugs closer together outside the head and right where the Ramshorn outlet needs the space. Follow these tests to troubleshoot a weak spark on your Husqvarna chainsaw. It makes 405 ft lbs [email protected] 3500 rpm. bustion chamber. I have a 1995 4. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. The original 5. The erosion ­gradually increases the gap between the electrodes, which, in turn, increases the firing voltage required to generate a spark. There are many different components of the ignition system on a chainsaw and any time these parts aren't working they will misfire in the chamber, which can make starting the chainsaw impossible. The generous YJ engine bay allows for a comfortable, clean fit for GM Small Block V6, V8 and even Big Block V8 engines. I also had a K&N fipk and a true dual dynomax exhuast. 0mm Red Silicone Spark Plug Wires SBC 1996-2003 (SBC-VORTEC-V8-RD) BOOT FOR SPARK PLUG. PAGE OF12366576 30 DATE REVISION AUTH GENERAL MOTORS SERVICE PARTS OPERATIONS 6200 Grand Pointe Drive, Grand Blanc, MI 48439 4 Water Pump: Several different water pumps are available for the 350 HO engine: 12496652 Long style aluminum 9440982 Bolt, Long style aluminum. With an ever-expanding line of SuperCoils and all the spark plug wires, tune-up kits, and fuel injectors hot rodders have trusted and relied on for years, ACCEL is constantly developing innovative new products designed to push power, speed, and performance to match advancements in automotive technology. Good spark plugs will burn fuel efficiently, while bad or failing spark plugs can cause the motor not to start at all. It's got four-bolt main caps - a feature that's almost impossible to find in cores - and it's filled with a tough rotating assembly, featuring aluminum pistons delivering an 8. Jet Performance, for instance, makes performance chips for Vortec engines. This may or may not help you but it wouldn't hurt to look into. A carburetor calibrated for high altitude driving will run too lean if driven at a lower elevation. Ever wonder exactly what makes a marine spark plug a marine spark plug? There is a vast difference between spark plugs and it's most often measured in heat range. Vacuum Leak Symptoms: Difficulty Starting Engine. The hottest spark is ultraviolet which we can't see. Checking The PassLock Anti-Theft System for Problems. How to Diagnose a Loss of Spark in Your Car Engine. Check out the images below, courtesy of NGK Spark Plugs, and get ready to do a little light reading the next time you pull your spark plugs. most of you if you have a 350 and you go to a mild 350 upgrade will be fine with a stock 350 PCV valve. Sounds like a machine gun. This will help keep the playing fields as level as possible. dropped in teens one morning it wouldn’t start. I'm not saying the 350 is a superior engine but there's no downside to running it. To determine whether pressure is escaping from the engine, you need to check the compression in the cylinders with a compression gauge, which measures the amount of pressure that the piston exerts on the fuel/air mixture before the spark plug fires the mixture. 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. 7L Distributor Ignition System (1996-2004). 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. A weak magnet WILL result in a spark problem, be it a weak spark, no spark, unrelliable spark. This will help keep the playing fields as level as possible. CSI Automotive Sales, Service & Parts. you fried it. Ford vs The Competition - Modular, Vortec, or Hemi? - Who's approach to new V8 gas engines do like best? I like Ford's progressive approach of using advanced technology such as over head cams, multi valves, along with advanced combustion chamber designs, with controled induction dynamics. In fact what you said will interchange will NOT. 2 wheel drive, 4. Note that this is a 20% improvement over another proven form of fuel injection. Blue spark is cold in comparison to ultra-violet. OK, so im ready to crack! I have a 1988 GMC Suburban Sierra Classic. To set the spark plug gap correctly, you need to use a spark plug gap tool. The firing order of an engine is the sequence the spark plugs fire. (Image: Chain saw against firewood pile image by Andrzej Thiel from Fotolia. This information is used by the Engine Control Module() to control ignition and fuel injection. The Chevy 350 firing order is 1-8-4-3-6-5-7-2. (announcer)>> today horsepower tackles a performance budget build on one of gm's other 350 small blocks. go buy a new coil. Despite those shortcomings, copper spark plugs are still a good choice for certain applications. 7L 350 cid non-Vortec V8 with a 12-bolt intake (260 HP) Tall Valve Cover. ATK HP99C Chevy 350 Vortec Engine, or Stage 3 Engine, is designed for those that are wanting to drop the engine into their project and fire it up. I have a 04 35E Bounder with a 8. If it won't start we will go to the next step. My first thought was ICM but he has replaced that along with , coil, cap, rotor and wires. 7L 350 1996,1997,1998,99,2000 Chevy. Do the old school thing. Although Vortec engines are "LS" based they are NOT LS engines IMO. Don’t use copper spark plugs in high-energy distributor-less ignition systems (DIS) or coil-on-plug (COP) ignition systems. Sounds like a machine gun. All are good. Courtesy of GM. I also had a K&N fipk and a true dual dynomax exhuast. 7L engines from the factory went from 205 HP (1984 Corvette/ crossfire injection) to 245 HP with the addition of TPI. Mercruiser Service Manual GM V6 4. Carefully touch the + jumper cable to it and the starter should immediately whirrrr and you should get a good sized spark - that is normal - the starter is a heavy current eater. A decent set of 8mm wires wouldn't hurt anything. engine cranks, no spark (SBC 350) Engine & Drivetrain. 7L 5700 350 1996-2003 Red 8. This ignition module is designed for 12V negative ground applications only. I pulled the cam, and tried to run the casting numbers off of it with no luck. 3) Reinsert the wire from coil into distributopr and pull spark wires one by one and repeat the initial test. Price : $4895. The exhaust port, considered to be the "weak" part of the otherwise steller-flowing Vortec head, actually does not flow that bad but because the intake port is so good, responds better to port work than does the intake and there is a strong feeling in some camps that these heads make best power with a split-duration camshaft because of this aspect. A misfiring cylinder has many possible origins, such as bad spark plugs or a fuel injection problem. Headers with a Vortec head will work: as I said they raised the exhaust port, but retained the placement of the bolts, which thins the area that is sealing the top of the port. I had a spare good module which ive swapped and it made no difference. Hey everyone, I have a 1996 Chevy C1500 with a 5. Chevrolet V8 is a small block. The same advanced technology that goes into GM vehicles also goes in the GM marine engine. If it won't start we will go to the next step. In particular it is possible that detonation, or spark knock, may occur in hot climates or hot running conditions with fuel that has a lower octane rating than 100. I changed the spark plugs and the air filter, but it still do. Orange and yellow come from particles of sodium in the air ionizing in the high energy of the spark gap. ATK HP74 Chevy 350 Vortec Base Engine 315HP, Call 866-721-2315 to Speak with an ATK Crate Engine Specialist. Getting a quality piece that works the way it should, helps you save a lot of money on fuel and also helps keep the engine running smoothly. Distributor for Chevy HEI 350 454 SBC BBC. FITS Chevy HEI 350 454 SBC BBC. Car and Truck Spark Plugs and Glow Plugs. I helped a co worker and he had 4 break. 7L/350 Chevy small block Gen I ACDelco Spark Plugs and get Free Shipping on Orders Over $99 at Summit Racing!. I'm getting a weak spark to my plugs in my pick-up. components for the cooling, fuel, electrical, and exhaust systems. 25in true dual exhaust would make more power than a bone stock 350 with smogger heads and many miles and probably a worn cam. I've done a complete tune up and even run injector cleaner and seafoam through it. Spark knock results in the ECM retarding spark timing, which will/may result in reduced engine performance. 19 Canada | Arroyo Municipality Puerto Rico | Sweden Sotenas | Williamson County Tennessee | Reeves County Texas | Fairfield County Connecticut | Keewatin Canada | Marshall County Alabama | Bryan County Oklahoma | Bayfield County Wisconsin | Lorient France | Roosevelt County New. NOTE: Insufficient cleaning of the spark plug may lead to spark plug failure in a very short period of time. My C2500 350 is rated at 30 HP weak 240 HP 454 is every bit as strong as the new. 3 flex plate. Therefore, there is no chip to replace. By Tom Benford. 1L engine in your yacht or powerboat? Raylar’s marine performance packages are bolt-on replacement parts for any Mercruiser 496 MAG / 496 MAG HO, Volvo Penta 8. Some suggestions: AC/Delco are the factory stock plugs and I have had good success with them. finally a programer for the 4. Leaking, corroded oil coolers will also result in the mixing of oil and coolant. All are good. Not checking the spark plug's air gap. Vortec heads instantly added 55 or more horsepower to a regular 350 head with the same displacement. Improve the performance of your Vortec by installing our high dwell Dyna-Module! Dwell within the module controls a coils saturation time, which is the time needed by the coil to produce a spark. The new engine is the exact same engine as the original. Carbureted and EFI's like Indmar TBI, MCX, RTP, LQ9, LY6, LTR, LT1, Vortec MX Plus, Predator, Malibu Monsoon, Malibu Assault. Nothing will hook up, and the fuel system is wrong in your truck for the Vortec set-up. For comparisons sake, were going to show numbers from LS3 (Camaro) vs. Blue spark is cold in comparison to ultra-violet. The Vortec HD version 350 uses a 4-Bolt main block, upgraded exhaust valves and cylinder heads for heavy duty applications. 3 liter cheverolet what cause weak spark in 4. The pressure delivered by the pump must meet specifications because that’s the way the engine is calibrated to run. Replace HEI distributor and no start. Fuel trim can be affected by just about anything between the air filter and the muffler, including sensors, injectors, ignition, EGR, the engine’s mechanical condition and even the crankcase ventilation system. EST and HEI distributors and coils are available in kit form. The Vortec Bow-Tie head has a superior chamber design. My 350 Chevy pops out the tailpipe at wide open throttle. 7L Vortec, I got the truck recently and was told it just needed a Fuel pump, I replaced the Fuel pump, and the Filter, also the pump turns on and there. The ECM supplies a pulse signal along the EST (electronic spark timing) circuit which commands the ICM to fire the ignition coil(s) accordingly. Price : $4895. 7 Vortec no start repair and CSFI to. While I think their numbers might be a bit optimistic, I'll bet the farm it's 400 pounds of torque and 350 horse and it comes on strong right off idle. Were about is it located on the RV and how do you find out the model/SKU # for a replacement. Checking the spark with a similar method you used, I also noticed an orange spark. 7L Vortec head can be used on the 305. Fuel fouled spark plug Black fluffy carbon deposits indicate an overly rich fuel mixture or possibly a weak spark. I came across an odd temporary fix for a 1985 yamaha 80 ATV. May 22, 2011. Can someone please help with what I should check next, I have a 1998 Chevy K1500 5. 7L (350ci) Vortec Base Marine Engine (1996-Current Replacement) GM Marine has been at the front of the pack in the marine engine industry for over 40 years. The heat range of a spark plug is often in its part number, and the spark plug is designed to run at that range. The only things I haven't replaced are the spark plugs, because I'm not sure which ones to buy. 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. Average repair cost is $580 at 164,300 miles. May 22, 2011. More info on them can be seen at Vortec L31 cylinder head. Observe all safety precautions and warnings in the service manuals when installing a 350 HO engine in any vehicle. 7l mpfi, 502 carbureted, Malibu 383 hammerhead, Malibu 8. Completely blow all the sand from the spark plug. Location: 93 vortec tbi 350, whipple, 3. The cause was a ignition coil. 350 vortec spark plug gap (2004 GMC Yukon) what is the correcct gap? wiremann in Paso Robles, CA on. This ignition module is designed for 12V negative ground applications only. 3L Chevy Vortec Distributor install and is not working properly can this be the problem and can I use this for the 350 for spark (probably orange/weak). Can someone please help with what I should check next, I have a 1998 Chevy K1500 5. Follow these tests to troubleshoot a weak spark on your Husqvarna chainsaw. If your air/fuel mixture is too rich and you have unburned fuel in the exhaust system, cross firing from one spark plug wire to another can occur if they are touching each other and when this happens while the exhaust valve is open, it will ignite the rich / unburned mixture in the exhaust manifold and tail pipes and result in a big bang. LiveWires are built with a high temperature sleeve that protects the plug wire from the extreme under hood temperatures. use bigger cables and make sure the battery is fully charged. spark plugs for Vortec heads? Hi Performance. sence there is no timing mark on balancer how do i find #1 top dead center so i can set distributor in and run valves. 7L Vortec, I got the truck recently and was told it just needed a Fuel pump, I replaced the Fuel pump, and the Filter, also the pump turns on and there. It has to be mounted to the engine, and just disconnect the ground. Check the wiring first to make sure it's wired correctly at the starter and to the coil. 7L Vortec operator's manual online. This spark plug will be purchased preset from any auto parts store. This information is used by the Engine Control Module() to control ignition and fuel injection. Replied by blat88 on topic Car has weak spark- need help finding source I'm assuming I have a new wire from coil to cap, I got a whole new distrib already put together. 3L vortec A year ago we took the car in for smog cert and tuneup. Find great deals on eBay for 5. I changed cap/rotor/plugs/fuel filter and it ran a lot stronger but still with a miss and surge. Coyote (Mustang), both of which came in 2012 pony cars. The old coil witch was really only 1,300 miles old had a scroched wire so I thought that was the problem. Courtesy of GM. GM sufficiently refined the engine package to offer many improvements in quality. Good spark. So, when you detect faulty coil pack symptoms, follow a proper method to test the coil’s resistance. VORTEC ENGINE IN CARS: For the most part, it will be challenging to put a Vortec truck engine into a car. Cap, and rotor button. Not checking the spark plug's air gap. Last night I actually held the spark plug wire in my hand while engine is cranking and I can feel a very weak spark but its not enough to fire a spark plug. Their software indicated something like 420 pounds of torque (stock Vortec is 330) and 380 horse (stock Vortec is 260). This engine weighs 434 lbs as delivered. Symptoms of Faulty Ignition Coils. Of note, the truck only has 137k miles on it and I have only replaced the plugs 1x. Most of your Dart heads now use the 3/4″ reach but if your using an aftermarket head find out which reach plug you need because running a 1/2″ reach plug in a 3/4″ reach hole runs. I'm not sure about other makes and models. Spark Tables from 2003 Avalanche 8. Com March 26, 2007 A Ford Motor Co. wasnt sure where to post this but i thought you chevy guys may have some info on this problem im having. A bright blue spark is best. Engine knocking is directly caused by a small explosion that occurs outside of the normal timeframe for spark plugs vs. Symptoms of a Bad or Failing Electronic Spark Control Common signs include engine performance issues, engine stalling, the car not starting, and the engine not sparking. Edelbrock 600cfm carb is 6 months old. Both trucks have the 4. Distributor is commonly used for ignition system to distribute spark to branches in sequence. 0mm Red Silicone Spark Plug Wires SBC 1996-2003 (SBC-VORTEC-V8-RD) BOOT FOR SPARK PLUG. Completely assembled with 1. I ALSO INTRODUCE HOW MY WEB PAGE WORKS FOR YOU, AND EVEN GIVE PART. It makes 405 ft lbs [email protected] 3500 rpm. It's delusional to think a properly maintained 350 won't last as long as a gen 3 motor. 350 Chevy Small Block V8 Spark Plug Wires in-stock with same-day shipping. The truck has 135,000 miles on it, but has never given me any problem. With a service range of 9 to 13 psi being considered. i got underneath it and it has a coolant leak that appears to be coming from the RF SIDE of the oil pan. 1l vortec, Malibu 5. 5mm fits 90-05 Miata. Blue spark is cold in comparison to ultra-violet. They shine in different areas. Distributor for Chevy HEI 350 454 SBC BBC. Burgandy/Burgandy, Crate Vortec 350 - 330 HP, beefed up 200 4r, 15x8 Torq Thrust II's, Richmond 3. • Always check the spark plug gap before installing any new spark plug. Chips are available for both the TBI and Vortec Engines. Vortec heads L31 5. This is a vortec 350 Both these trucks are 2500s and white is 2wd red is 4wd. How to change Spark Plugs on. and it has a pretty new engine however the distributor is taken off it, it has a blown transmission lost reverse. I believe with the wires unhooked as described then nothing is affecting the negative terminal and that the ohm reading should be Open or Infinite. 4 0411 swapped still needs a basic tune that works a good tune to play with instead of this weak base tune. Spark knock results in the ECM retarding spark timing, which will/may result in reduced engine performance. I've done a complete tune up and even run injector cleaner and seafoam through it. YourMechanic. Causes include worn, fouled or damaged spark plugs, bad plug wires or even a cracked distributor cap. 5ms and 10 to 15 degrees CA. Vortec is a trademarked name for a line of small block engines for General Motors trucks. It is stil possible that spatk is weak enough to not spark under compression in the engine. The old coil witch was really only 1,300 miles old had a scroched wire so I thought that was the problem. i have a 98 chevy that i put a new creat motor into about a year or two ago now and now when u go to start it,it will jsut turn over unless u spray a little starting fluid down the intake, then will run fine all day long, i think i have the problem tracked down being with the spider injection and was wanting to know the best place to find a new one, i have already had the comp retuned by allen. 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. If you have points, ch. Any idea's?. and a spark to ignite the mix. Product Search Search suggestions Ex. Vortec head they moved the spark plug in the combustion chamber closer to the exhaust valve, so that puts those two center spark plugs closer together outside the head and right where the Ramshorn outlet needs the space. 1996 chevy k1500 350 vortec fuel pressure. 5mm High Performance Spark Plug Wire Set Fit For HEI SBC BBC 350 383 454 Electronic: Spark Plug Wires - Amazon. Getting a quality piece that works the way it should, helps you save a lot of money on fuel and also helps keep the engine running smoothly. With the Hot-Spark electronic ignition, dwell and timing are always spot-on accurate. 7 NON Vortec engine and that when Vortec's came out in 96 were all 5. Automobile Parts and Service Toggle navigation Community Chevy Automotive Sales Inc. The Vortec set-up is controlled by a OBDII computer and the computer in your truck is a OBD1. Causes include worn, fouled or damaged spark plugs, bad plug wires or even a cracked distributor cap. The Vortec Bow-Tie head has a superior chamber design.