backfiring
05-11-2004, 07:41 PM
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Car: 1987 Camaro IROC Z-28
Engine: L98
Transmission: 700R4
backfiring
I put on a new set of poly locks, set the valve lash, and now I've got a backfire in my exhaust. The only thing that has changed is the poly-locks...what are the options of things I could have messed up?
05-11-2004, 08:20 PM
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05-11-2004, 08:46 PM
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Car: 1987 Camaro IROC Z-28
Engine: L98
Transmission: 700R4
didn't remove the spark plug wires, so they're not crossed. I didn't know adjusting the valve lash too tight would cause backfiring. I'll have to re-do all the valve lash, then. Thanks.
05-11-2004, 08:55 PM
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Car: Tree Huggers
Engine: Do Not
Transmission: Appreciate Me.
Originally posted by CamaroFreak87
... I didn't know adjusting the valve lash too tight would cause backfiring. I'll have to re-do all the valve lash, then. Thanks.
... I didn't know adjusting the valve lash too tight would cause backfiring. I'll have to re-do all the valve lash, then. Thanks.
05-11-2004, 09:15 PM
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Car: 1966 impala , 1998 sebring vert,1978 buick regal turbo, 1991 chevy silverado 3/4ton 4x4 lifted
Engine: 283, 2.5,3.8 turbo 350
Transmission: powerglide,auto overdrive, th350,4L80
yeah if you get the valve lash too tight none of the valves will close completely and you will end up pushin exhaust back into the intake or fuel into the exhaust its not a good thing not to mention you lifters...
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