Need help C6 LS2
09-16-2008, 04:59 PM
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Need help C6 LS2 ok, my buddy just got his car tuned.
its an 06 c6 with an ls2, 6 speed.
the mods are bolt ons, stage 2 ls6 heads, and torquer v.2 cam from texas speed, and ported stock TB, and intake.
the car just got tuned. they did some passes on motor, and two on bottle. bottle warmer wasnt working so it was a cold spray. we were also told that when he sprayed it froze the maf. car was takin off the dyno and out to check driveability. it started backfiring, and sputtering. so he brought it back in. pulled all plugs, and cylinder number 7, the spark plug wuz pushed closed.
we thought this was a result from spraying with cold bottle, and low pressure. (dry 100 shot) and changed the plug but no longer sprayed the car. car ran good for a day or two. then when he got on it during a race all motor it did the same thing. closed the same plug, and started backfiring and all that again.
my question is why is it doing this? the shop told us that the piston is traveling to far up, and closing the spark plug. i never knew that could happen. so i was hoping somebody can shed some light!
thank you for all your help in advance!
its an 06 c6 with an ls2, 6 speed.
the mods are bolt ons, stage 2 ls6 heads, and torquer v.2 cam from texas speed, and ported stock TB, and intake.
the car just got tuned. they did some passes on motor, and two on bottle. bottle warmer wasnt working so it was a cold spray. we were also told that when he sprayed it froze the maf. car was takin off the dyno and out to check driveability. it started backfiring, and sputtering. so he brought it back in. pulled all plugs, and cylinder number 7, the spark plug wuz pushed closed.
we thought this was a result from spraying with cold bottle, and low pressure. (dry 100 shot) and changed the plug but no longer sprayed the car. car ran good for a day or two. then when he got on it during a race all motor it did the same thing. closed the same plug, and started backfiring and all that again.
my question is why is it doing this? the shop told us that the piston is traveling to far up, and closing the spark plug. i never knew that could happen. so i was hoping somebody can shed some light!
thank you for all your help in advance!
09-16-2008, 09:32 PM
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ok, my buddy just got his car tuned.
its an 06 c6 with an ls2, 6 speed.
the mods are bolt ons, stage 2 ls6 heads, and torquer v.2 cam from texas speed, and ported stock TB, and intake.
the car just got tuned. they did some passes on motor, and two on bottle. bottle warmer wasnt working so it was a cold spray. we were also told that when he sprayed it froze the maf. car was takin off the dyno and out to check driveability. it started backfiring, and sputtering. so he brought it back in. pulled all plugs, and cylinder number 7, the spark plug wuz pushed closed.
we thought this was a result from spraying with cold bottle, and low pressure. (dry 100 shot) and changed the plug but no longer sprayed the car. car ran good for a day or two. then when he got on it during a race all motor it did the same thing. closed the same plug, and started backfiring and all that again.
my question is why is it doing this? the shop told us that the piston is traveling to far up, and closing the spark plug. i never knew that could happen. so i was hoping somebody can shed some light!
thank you for all your help in advance!
its an 06 c6 with an ls2, 6 speed.
the mods are bolt ons, stage 2 ls6 heads, and torquer v.2 cam from texas speed, and ported stock TB, and intake.
the car just got tuned. they did some passes on motor, and two on bottle. bottle warmer wasnt working so it was a cold spray. we were also told that when he sprayed it froze the maf. car was takin off the dyno and out to check driveability. it started backfiring, and sputtering. so he brought it back in. pulled all plugs, and cylinder number 7, the spark plug wuz pushed closed.
we thought this was a result from spraying with cold bottle, and low pressure. (dry 100 shot) and changed the plug but no longer sprayed the car. car ran good for a day or two. then when he got on it during a race all motor it did the same thing. closed the same plug, and started backfiring and all that again.
my question is why is it doing this? the shop told us that the piston is traveling to far up, and closing the spark plug. i never knew that could happen. so i was hoping somebody can shed some light!
thank you for all your help in advance!
09-18-2008, 06:02 AM
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Very similar problem with mine last year. Just bolt on's though. Bent #7 and 8 both. Backfired like you say. Mine never bent the plugs again but after it got warm it would knock. Oil press was good, compression was good. Ended up tearing it down to figure it out but never found anything. Sorry I can't help more but, I'm interested as to what you find
09-18-2008, 09:25 PM
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stock gasket size. and they are the from the heads and cam package from texas speed. im not sure what they did to the heads. i just know they are ls6 2.5 heads.
and im thinkin the spark plug was mechanically closed. because i doubt compression did that. ima try to get a pic of it soon.
and im thinkin the spark plug was mechanically closed. because i doubt compression did that. ima try to get a pic of it soon.
