Thermal Reduction Tape on Manifolds

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Author Message   barry (Uncle) New Member Username: Uncle Post Number: 23 Registered: 01-2004 Posted on Wednesday, February 25, 2004 - 11:37 pm:    I was reading in Summit Racing about their line of thermal reduction tape. And the benefits of wrapping the manifolds. Has anyone tried this and how much more effiecient has their engine performed also how much reduction in heat have you noticed?   Leslie N. Bright (Leslie) Dweb Lounge Member Username: Leslie Post Number: 3080 Registered: 02-2002 Posted on Wednesday, February 25, 2004 - 11:45 pm:    Great way to accelerate rusting. FWIW..... -L   Joey (Joey4420) Senior Member Username: Joey4420 Post Number: 577 Registered: 04-2003 Posted on Thursday, February 26, 2004 - 09:22 am:    Tape work pretty good on some cheap aftermarket headers, but doesn't work very well on stock equipment. Only experience I have had with it is on headers on a Chevy 350, did a great job of keeping heat out of the engine compartment. But as Leslie states it also help with drawing mosture that will cause rusting....   Stuart H (Disco_stu) New Member Username: Disco_stu Post Number: 32 Registered: 06-2003 Posted on Thursday, February 26, 2004 - 11:39 am:    Why does it draw moisture? Is it because the tape holds it in, after it gets wet?   Luis Constantin (Luisc) Member Username: Luisc Post Number: 189 Registered: 02-2003 Posted on Thursday, February 26, 2004 - 01:19 pm:    I "think" the exhaust gets hot enough to evaporate the moisture. And unless your engine is exposed to the elements when it's not running, I wouldn't think it would get wet. The only time you get water up in there is when you go splashing around, and water is not going to stay on a boiling hot exhaust for long. Another thing. When you start your engine on a cold morning, you have water that forms inside the exhaust till the metal heats up enough to evaporate it. If you drive short distances in cold weather, it's more likely to rust from the inside out. We have that happen on alot of our company vehicles.   Joey (Joey4420) Senior Member Username: Joey4420 Post Number: 579 Registered: 04-2003 Posted on Thursday, February 26, 2004 - 07:10 pm:    If you drive the vehicle for short trips and it gets hot and cold frequently it will draw moisture or if the engine is hot and you park over grass or in a wet environment and shut the engine off it will draw moisture. This is the main reason most exhaust systems rust, well next to salt on the roads in the winter.