Do these things work?

[pbureau@attbi.com (ATS - Patrick Bureau)]

well I was intriguied myself about this fact (heat transfer from exhaist to
intake manifold) so I decided to buy it and test it out..
will let y'all know good or bad.

Patrick

=>-----Original Message-----
=>From: scirocco-l-admin@scirocco.org
=>[mailto:scirocco-l-admin@scirocco.org]On Behalf Of Brian Haygood
=>Sent: Friday, March 01, 2002 5:31 PM
=>To: Scirocco-Al; Scirocco-l@scirocco.org; flaatr@yahoo.com
=>Subject: Re: Do these things work?
=>
=>
=>On our race cars, the intake side of thing doesn't usually get
=>above 200°F,
=>and since that is where this thing goes, I doubt it would have
=>temp trouble.
=>I don't see how it could work much though, just because I think more heat
=>comes into the intake via radiation than conduction via the head.  I guess
=>it only claims 3hp gain, and I guess I could see that.  I'd be more
=>interested in seeing the last part of the intake manifold made out of some
=>composite, and a heat shield between exhaust and intake.
=>Probably still not
=>worth the trouble, but who knows.
=>
=>What do the rest of you think?  Is heat conduction into the
=>intake manifold
=>significant?  How do you suppose it compares with radiant
=>heating.  I guess
=>a simple test on a hot manifold with an IR gun would tell you how hot the
=>ends of the manifold get.
=>
=>Just ruminating.
=>
=>BH
=>
=>
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