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

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Old Aug 16, 2007 | 01:31 PM
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Anyone use Split Fire plugs in their Vette? Any plug prefered over another. I have never used a split fire in my cars, but experienced considerable performance upgrade and longevity in my ATV. My ATV kept fouling plugs when it got in a bind, but since split fire it has not fouled in over 5 years.
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Old Aug 16, 2007 | 01:36 PM
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I know there wires have a lifetime guarantee on them. Was wondering if they were more b.s. Interested to see what is said about them. Also, the ones I am viewing have V shaped ground electrodes on them. Same in your ATV?
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Old Aug 16, 2007 | 01:42 PM
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I can not remember about the ATV it was so long ago. I just remember a noticable performance difference.
I did read on the split fire site that they have to be gapped before installing and I would assume ever so ofter after that, but do not know
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Old Aug 16, 2007 | 01:56 PM
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They made my car run hot,put a msd on the car and go with a ac delco plug.Then you can get a fpr and raise your fuel psi a bit,the msd will burn so good,no problems.
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Old Aug 16, 2007 | 01:56 PM
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Originally Posted by jrcakc
I can not remember about the ATV it was so long ago. I just remember a noticable performance difference.
I did read on the split fire site that they have to be gapped before installing and I would assume ever so ofter after that, but do not know
So your saying you have to gap them before they wear out? That is to much annoyance just for a few ponies which I doubt even that much. I'd stick with Rapid Fires.
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Old Aug 16, 2007 | 02:17 PM
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There are many gimmick plugs, don't waste your money. The standard Delco plug will do well.
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