Flowmaster BP

[Bruce Plecan]

-----Original Message-----
From: Clarence L.Snyder <clare.snyder.on.ca at ibm.net>
To: diy_efi at efi332.eng.ohio-state.edu <diy_efi at efi332.eng.ohio-state.edu>
Date: Friday, October 23, 1998 2:30 PM
Subject: Re: Flowmaster BP


Well known fact to stay way from Flowmasters at the GN Site.
They are made to dampen pulsations,  turbos do that too well
already.  Another good choice Walker Turbo Tube.
Bruce


>David Piper wrote:
>>
>> Just determined where most of the exh back press is from on my 400 HP 280
Z
>> custom turbo.  Has 7.5 psi at turbine oulet S pipe and 6.3 psi at 2
chamber
>> Flowmaster.  Anyone recommend a good, low backpress muffler for a turbo?
>> Doesn't have to that quiet, since turbo muffles some.
>>
>> Was afraid to turn up the boost more than 18 with all that BP.  Using 45
pph
>> Bosche -036 inj and old Air Sensors analog box.  Trying for 450 HP at 23
>> psi.  Think its time to go digital.  Well, lets see; there's DFI,
Haltech,
>> Electromotive Felpro and Motec.  Decisions, decisions.  If anyone has
>> personal experience with any of these or others, please advise privately.
>>
>> TNX
>>
>> TurboDave
>Get a pair of mufflers from an old CornBinder (IH) Scout. 2 1/2" in and
>out, virtually straight through. Or use the rear muffler (resonator)
>from a mid-70s T Bird big-block. Same set-up. Used them on the old Colt
>and a few other vehicles with good results.
>