Spark plug gap.........??
Thread Starter
Senior Member

Joined: Mar 2000
Posts: 503
Likes: 0
From: Mount Airy, MD
Car: 79 Camaro RS
Engine: 355, carb, alum heads, XE262
Transmission: TH350
Axle/Gears: 3.73
Spark plug gap.........??
ok I got the MSD stuff installed without a hitch and everything works fine. Although I have a question, I gapped my plugs to .040 and I think i should have gapped them a little more. If they are at .040 will this decrease my performance as opposed to say if they were gapped at .045 or .050, also what would you recommend as an appriate gap.
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j.wolfe
_ ____ _
91 GTA L98
Best time: 14.389@95.49 (VMP)
"...Deception..." Brandon Sloan * ...wounds heal and chics dig scars...
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j.wolfe
_ ____ _
91 GTA L98
Best time: 14.389@95.49 (VMP)
"...Deception..." Brandon Sloan * ...wounds heal and chics dig scars...
Supreme Member

Joined: Jul 2001
Posts: 3,974
Likes: 0
From: Pueblo Co
Car: 1989 C4
Engine: L98
Transmission: 700r4
Axle/Gears: 307
Gap it one of those things you can play with a bit and see what runs best for your setup.
.45 is whats posted on the tag for gap in my cars. So use .45 as a base line then move up.
SSC
.45 is whats posted on the tag for gap in my cars. So use .45 as a base line then move up.
SSC
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