[s-cars] importing problem

[Steve Powers]

it is a Stromung. are you saying the muffler inlet and outlet are only 2.5"?

(may be time to fire up the ole plasma torch)

Steve


On Sat, 4 Dec 2004 11:52:02 EST, djdawson2 at aol.com <djdawson2 at aol.com> wrote:
> In a message dated 12/4/2004 9:39:53 AM Mountain Standard Time,
> sbpowers at gmail.com writes:
> 
> 
> I'd suggest that the 3" exhaust is a limiting factor on this motor. I
> have a lot of these mods (K26/27 turbo, 7A cam, RS2 goodies) to mine
> and have a 3" turbo back exhaust. At full throttle on a long pull near
> redline it makes that sound that all normally aspirated cars w/
> inadequate exhaust systems make. 
> 
> Is it a Stromung?  If so, that's the sound of going from 3" pipe into a 2
> 1/2 inch muffler without using a transition.  Keith Maddock's old car (that
> we bought for my cousin) had exactly the same issue... and if you were
> sitting in the back seat, sounded like a 70's station (let's say a Vista
> Cruiser!) on a hard pull.  Mike Pederson discovered this construction tactic
> a while back... not very free flowing.  A 3" system shouldn't be a drawback,
> if done well.
> Dave in CO