Has anyone here wrapped their exhaust with insulation tape?
08-24-2004, 07:06 AM
#3
Some people have ceramic coated their manifold and there is a company that will do our turbos...
They claim some very significant gains with their turbo coating. Dont know anyone who has done the turbo coating though. You thinking of getting some insulation tape? Go for it and let us know what you find. If you could, run some before and after intake temp data logs. Aside from the benfits of hottter exhaust gasses, it would be cool to see if it lowers the temps enough in the engine bay to see lower intake temps. cheers! Mike
08-24-2004, 07:59 AM
#4
AudiWorld Super User
Yeah, but not on my audi...
I'm considering getting a turbo blanket soon. Only the top part of the exhaust would need wrapping.
The ceramic coating is a great way to go, but a lot more work and expense. I've also managed to burn it off my headers before.
I'm doing an overall thermal management plan for both my Audi and my race car, consisting of CAI, Intake isolator gasket, ceramic coated upper exhaust/turbo components, turbo blanket and 'header' wrap.
The more heat you can keep in the exhaust, the more efficient the turbo is, and the more power you can make. Its not like all this stuff will add lots of power, but as you mod even more (bigger turbos etc), it makes more difference and things last longer and get better economy...
The ceramic coating is a great way to go, but a lot more work and expense. I've also managed to burn it off my headers before.
I'm doing an overall thermal management plan for both my Audi and my race car, consisting of CAI, Intake isolator gasket, ceramic coated upper exhaust/turbo components, turbo blanket and 'header' wrap.
The more heat you can keep in the exhaust, the more efficient the turbo is, and the more power you can make. Its not like all this stuff will add lots of power, but as you mod even more (bigger turbos etc), it makes more difference and things last longer and get better economy...
08-24-2004, 08:04 AM
#5
AudiWorld Super User
Jet hot does coatings... (use on my race car)
Alamo in TX did a porsche turbo, and both ceramic coated and extrude honed their turbo. In this case they made boost around 500 rpm sooner, with lower temps and a nice HP boost (can't find the article at the moment) due to the increased efficiency.. I think this would be worth it for whatever turbo you run. If I do a stage III in a few years, I'll have both done as well.
08-24-2004, 08:09 AM
#6
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Any thoughts on blowing more outside air into the engine bay?
I'm always amazed at just how much hot air collects in there. Ducting fresh from the 2IC port up turbo area would help circulate the airflow under the hood.
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08-29-2004, 05:14 PM
#8
AudiWorld Super User
Don't need more air in, as it has no where to go.
What I really want is a CF hood with a couple small ducts to act as heat extractors.
The 71-77 Toyota Celica had heat extractors, and I'm sure a few others have too.
For intake purposes, as long as the intake pulls from the front of the car, no more air needs to be under the hood.
The 71-77 Toyota Celica had heat extractors, and I'm sure a few others have too.
For intake purposes, as long as the intake pulls from the front of the car, no more air needs to be under the hood.
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