Topic: wire routing
in Forum: C3 Engines
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Lifetime MemberLanoka Harbor, NJ - USA
Joined: 12/21/2006
Posts: 828
Vette(s): 1975 metallic blue coupe with t-tops,L48, t/t steering, black leather interior. 1990 L98, white/red leather interior, auto,a/c
just wondering about the routing of spark plug wires on my 75. as you
are not supposed to have wires crossed or touching each other on a hei
system, how can this be accomplished if you use all the chrome covers?
i am installing msd wires which are supposed to have superior
insulating qualities, would they be enough to prevent cross firing?
thanks for any info.
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Lifetime MemberModerator
Duncanville, TX - USA
Joined: 11/8/2003
Posts: 20214
Vette(s): #1-1974 L-48 4spd Cp Med Red Metallic/Black deluxe int w/AC/tilt/tele./p/w-p/b/
Am-Fm/map light National/Regional/Chapter NCRS "Top Flight"
#2-1985 Bright Red/Carmine Cp.L-98/auto
Member: NCRS, NCRS Texas, Corvette Legends of Texas
You really only need to be concerned about the #5 and #7 wires, on the driver side. Those two fire one right after the other, and they can cross-fire quite easily if too close together. The other 6 are not as picky.
Just try to keep 5 & 7 separated as much as possible, and you'll be good.
Just try to keep 5 & 7 separated as much as possible, and you'll be good.Joel Adams
C3VR Lifetime Member #56 
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in Forum: C3 Engines
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