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Header Wrap smoking?

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Old 08-18-2007, 05:13 PM
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Car: 85 trans am
Engine: 350 4bm TPI
Transmission: 700r4
Header Wrap smoking?

Okay i have an 85 t/a 350 tpi. I put header wrap on about 2 years ago when i started my rebuild, just got everything together and running good (thanks to the helpful people here) my problem is white smokes keeps on rolling off of the wrap ,drivers side more than passenger. it's been doing it for bout 10 min of off and on time. is this bad? or will it stop after awhile? I really don't want to catch my car on fire again..
Old 08-18-2007, 10:51 PM
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Car: 85 trans am
Engine: 350 4bm TPI
Transmission: 700r4
Re: Header Wrap smoking?

just checked my coolant level and oil, no oil in the radiator and no coolant in my oil. right now after reading some more i think i'm burning off whatever i got on them in the yast 2 years, but damn that's a lot of smoke...
Old 08-18-2007, 11:39 PM
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Re: Header Wrap smoking?

remove header wrap or your exhaust will rot out due to moisture retention.
Old 08-19-2007, 10:37 AM
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Car: 85 trans am
Engine: 350 4bm TPI
Transmission: 700r4
Re: Header Wrap smoking?

I know that, but i'm getting new ones next year, ceramic coated but that still didn't answer my question.
Old 08-19-2007, 11:53 AM
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Car: 92 GTA/ 00 TA
Engine: 383/350
Transmission: 700R4/T-56
Re: Header Wrap smoking?

I had to wrap after my headers due to heat melting my shift cable. It smoked for prolly about 10 minutes. Haven't had issues after that. Maybe you have crap in them.
Old 08-19-2007, 02:08 PM
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Car: 1986 Firebird LG4
Engine: 305 5.0 LG4
Transmission: TH-700R4
Axle/Gears: 2.73
Re: Header Wrap smoking?

perhaps the header wrap is garbage and cant handle the heat
Old 08-20-2007, 12:44 PM
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Car: 85 trans am
Engine: 350 4bm TPI
Transmission: 700r4
Re: Header Wrap smoking?

after bout another 10 min of running the engine it finally stopped smoking, it was probely burning crap off of them that got on there from sitting around for a couple of years. a little more tuning to go and it's finally ready to hit the road finally. thanks all...
Old 08-27-2007, 04:04 AM
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Car: 90 IROC
Engine: 5.7L TPI
Transmission: 700R4
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Re: Header Wrap smoking?

header wrap stops smoking after a few days. just hang in there. header wrap is a good thing.
Old 08-30-2007, 03:59 PM
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Re: Header Wrap smoking?

I thought header wrap would only rot your headers in a high humidity region. I live in Las Vegas, and there's no humidity, but all the dry heat you could ever want.
Old 08-30-2007, 04:52 PM
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Re: Header Wrap smoking?

anytime something heats and cools, condensation builds up
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