I'm wondering how much better headers are than the stock dual exhaust with
monza pipes.
----- Original Message -----
From: "Shawn J. Loseke" <sloseke@holly.colostate.edu>
To: "Jerry C Shaw" <slowtoaccept@yahoo.com>, 6pack@autox.team.net
Subject: RE: Exhaust scavaging and 6-3-1 vs. 6-1-2 etc.for the TR6
Date: Mon, 21 Mar 2005 18:14:38 -0700
>
> I remember reading somewhere that the 6-3-1 into a large (2.25"-2.5") pipe
> would yield an extra 8 horsepower. The rub was that extra horsepower only
> showed up at high rpm, as in above 5,000rpm or thereabouts.
> I have spoken to Richard Good (emailed really) about the effects he has seen
> with different setups. Mostly about where the two seperate sets of three are
> brought into one pipe. He stated that his flattest curve came when the pipes
> were merged just aft of the transmission. When the pipes were merged directly
> at the collectors (by the flywheel) he experinced a short drop off in power at
> about 4500rpm. This was on one of his 10.5:1 engines with the 1.65:1 rockers
> and the GP3 cam.
>
>
--
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