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#9 | |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: Troubleshooting
Quote:
Does it have headers on it? Check your plug wire boots. You might have one too close and when the plug fires, it arcs over to the header pipe instead of going to the spark plug, causing that cyl to drop out. = firing on 7. I had a 406 in an old Firebird a long time ago and it was bad to burn through plug boots. .. just some things to try. An easy way to check is to raise the hood at night. At times you can see the arcing as it happens. Looks like a rich condition, that cyl is not firing and burning the gas causing the black smokey stuff to blow out. .. just my .02. Chad
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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