Exhuast Backfire!
Thread Starter
Staging Lane
Joined: Aug 2007
Posts: 50
Likes: 0
Exhuast Backfire! Ok, I have Jett Hot LT Headers and the TSP X Rumbler. Since round november if I rev the engine up or even shift normally at lik 2 1/2 to 3 grand it will backfire. I have had this set up since august. Does anyone know why it is doing it and what can I do to make it stop! haha
Thread Starter
Staging Lane
Joined: Aug 2007
Posts: 50
Likes: 0
I havent had it tuned at all yet. I also noticed that if I strt my car up and let it sit there and warm up, when I leave there is water from where my exhaust tips are, and someone told me that meant me engine was running rich? is that true?
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It should definitly be rich, not lean. TSP can do a pretty good mail order tune for you, say no to handheld programmers like the hypertech. I've also had Schwanke do a mail order tune for me, and it was done faster than anyone I've ever used. There are several sponsors that can do a great job for you
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800-456-0211 / PM / Facebook
WHIPPLE Superchargers, Procharger, Magnuson, Powerbond Sale, HPTuners packages!, Trickflow, AFR, PRC, CHE Trunion upgrade, $100 7.400" pushrod set, Custom Cam of your choice
Last edited by Scoggin Dickey; Feb 6, 2008 at 09:51 PM.
Teching In
Joined: Dec 2005
Posts: 47
Likes: 0
From: Houston, TX
now that its colder, the hot exhaust gas upon throttle lift is probably a bit rich, and when the unburnt fuel mixture hits the colder ambient air, something similar to thunder (high/low pressure as well as different temps colliding) happens and the mixture gets ignited.
i seriously doubt its a big enough difference to worry about getting a tune to fix it...
i seriously doubt its a big enough difference to worry about getting a tune to fix it...
Thread Starter
Staging Lane
Joined: Aug 2007
Posts: 50
Likes: 0
ok, so now that its warmer outside my car does not back fire...as much. Whenever I rev it high or get on it and then let off the gas it still backfires!!! I dont know if I should get a dyno tune or mail order or what!?