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

billet msd advise needed.

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Old May 11, 2005 | 03:57 AM
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From: richardson tx
Default billet msd advise needed.

going to go ahead and fortify the distributor, wires and covers. which msd billet hei would yall recomend? im looking at one on the summit site which is an hei for 159. also im going with the 8.5 as well as the covers this time. i messed my last $100, 8.5`s up when i could have saved them with the right protection. also im going with some autolight ( dont have the number) plugs. my racing buddy suggested them. what is your take on all the above mods? `90 383 6speed
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Old May 11, 2005 | 09:00 AM
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From: Geneseo Illinois
St. Jude Donor '06
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ive got a 90 L-98, 383, went with MSD billet I think its no. 8366 i can look later, anyway, it has a smaller cap. Very nice product. Required use of adapters for the wiring, available at www.Jimesperformance..com Just call him, he is helpful.

The smaller diameter cap was great for the Superram fitment. Also required external blaster coil. im not sure of the one you are looking at. MSD tech rep told me none of their distributers would work on my car. Thus, adapters...

There is a thread or two on this issue if the search works.

Last edited by dock351; May 11, 2005 at 09:03 AM.
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Old May 11, 2005 | 11:07 AM
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Originally Posted by steve1ph2
going to go ahead and fortify the distributor, wires and covers. which msd billet hei would yall recomend? im looking at one on the summit site which is an hei for 159. also im going with the 8.5 as well as the covers this time. i messed my last $100, 8.5`s up when i could have saved them with the right protection. also im going with some autolight ( dont have the number) plugs. my racing buddy suggested them. what is your take on all the above mods? `90 383 6speed
You can use the small diameter GM distributor that was used in the earlier F body TPI cars. MSD does make a billet replacement for this distributor. However you will need the adapter cables to plug into the distributor and you will have to remote mount a new ignition coil. All in all it is a fairly easy job to do, but you need to get the cables that connect to the new distributor module. There are two cables, one with a two pin male and the other is a four pin male.
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Old May 12, 2005 | 01:02 AM
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hmm. what are the other options as far as brand that is billet or just as good where i dont have to mess with the coil part that will hook right up to my msd6a thats already in place.
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Old May 12, 2005 | 02:10 AM
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Steve- Did you finally get your stumble fixed or is all of this a part of the fix?
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Old May 12, 2005 | 04:19 AM
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From: richardson tx
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no. but from all iv read its going to take some chip work. due to the new cam profile and how the map ( `90 model ) reads the newly created vacum pressures. which a stock ecm cant either compensate for or understand. so im going with the pcm for less guys. for $150 if it works its a small price. as for as the ignition project been wanting to do that. seems my factory dist makes to much noise. i already have a msd6a box with 8.5 wires and stock hei.
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