The Stahl is supposed to provide better flow but the bell housing needs to
be modified (ground down) to let it pass. We're running a Stahl right now,
and I have no quarrels with it. Just don't wrap it with header tape--if you
feel the need to do something to it for heat issues, ceramic coating would
probably be the way to go.
Keep Triumphing,
Susan :)
Original Message:
-----------------
From: George Harmuth harmug@us.ibm.com
Date: Thu, 3 May 2012 12:42:45 -0400
To: fot@autox.team.net
Subject: [Fot] Headers
I was looking at the various Spit engines in the paddock but I forgot to
ask what kind of headers people were using. My car came with a set of Tri-Y
and I replaced them with a new set two years ago. My understanding is these
style help with low to mid range power. After getting passed, at a very
good clip, on the RA straights last weekend, I'm looking at ways to get
more power and still have the car SCCA H-Prod legal. Headers / exhaust
system are one of the few areas where Prep level 2 engines are given free
range.
I'm thinking about a 4->1 style, like a Stahl, which I heard is better for
top end. Any input is appreciated.
thanks
mike
G. Michael Harmuth
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