C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

runnin like new

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Old Aug 29, 2011 | 07:07 PM
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I just installed an msd blaster coil, msd sc 8.5mm low resistance wires, and $3 ngk copper plugs-yes copper, in my 94 vette. THe engine runs like new! I strongly suggest anyone thinking of a plug combo to try this one. I originally had brand new regular coil, 7mm autolite wires, and bosche +4 plugs. With the regular after market replacements the car had this poor response and at times depending on speed and rpm I would manually downshift with the automatic to accelerate. Now understand brand new ignition parts with 9k on them before the msd parts and copper plugs. The bosche + 4 platinums just were not good for the system and the autolite plug wires kept arcing after a month of usage and I replaced them twice. So I had to research types of plug wires and plugs to find what made one better than the other and thier features and benefits, which brought me to the type of wires and plugs I bought, not the name brand. The msd blaster coil and low resistance wires coupled with high conductivity copper wires is the truth, it gives you a high output low resistance system. I am very happy with this combo, I like driving the car alahhht more now. I am more confident taking on cars in the same hp and weight range.
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Old Aug 29, 2011 | 07:49 PM
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Now replace your injectors and you'll be even more amazed.
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Old Aug 29, 2011 | 08:44 PM
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I did 1 month ago, with 24lb bosche injectors from injector connection. THese injectors have a far superior spray pattern compared with-not just gm's but accel and other brands. Check out there web site and their you tube test comparison video. I strongly suggest this product. the duty cycle threshold and spray pattern are very impressive. after researching the injector topic and searching and comparing aftermarket products, i liked theirs the most. I also have experience with gm injector problems. I replaced the ones in my lumina with ones from the junkyard due to the injectors going lean at cruising speed. I dont put any real money into the lumina cause its an a to b car.
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Old Aug 29, 2011 | 11:11 PM
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Originally Posted by marcwb
I originally had brand new regular coil, 7mm autolite wires, and bosche +4 plugs. With the regular after market replacements the car had this poor response and at times depending on speed and rpm I would manually downshift with the automatic to accelerate. Now understand brand new ignition parts with 9k on them before the msd parts and copper plugs. The bosche + 4 platinums just were not good for the system and the autolite plug wires kept arcing after a month of usage and I replaced them twice.
Some of the Bosch +4 plugs are known to exhibit some high resistance - other LT1/LT4 owners I have spoken with all pretty much stated the same fact, most of them switching back to AC or Champion...me, I prefer Autolite plugs, AP106.
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