RE: engine decision's... I have made up my mind.

["Scott F. Williams" <sfwilliams@home.com>]

Let's kill the myth that backpressure helps an engine. NO ENGINE BENEFITS
FROM RESTRICTION IN THE EXHAUST SYSTEM! The reason normally aspirated
engines may gain more torqe with a smaller diameter exhast, is because the
higher velocity in the system creates a greater scavenging effect that in
turn allows for cleaner combustion chambers, wich means more air-fuel
mixture per stroke, which means more power.

Zero backpressure is always the ideal. Complete scavenging and high exhaust
velocity are always the goal.
______________________________
Scott F. Williams
Account Manager
GENUiTY - Eastern Region
100 Wall Street, 10th Floor
New York, NY 10005
Voice: 212.416.1745
Cell: 917.648.2256
Fax: 212.618.5160
scott.williams@genuity.com

> -----Original Message-----
> From: owner-scirocco-l@scirocco.org
> [mailto:owner-scirocco-l@scirocco.org]On Behalf Of Dan Bubb
> Sent: Monday, August 06, 2001 2:55 PM
> To: Neal Tovsen
> Cc: Patrick Bureau; scirocco List
> Subject: Re: engine decision's... I have made up my mind.
>
>
> somebody, please somebody explain this BS about lower backpressure
> causing loss of power!
>
> Neal Tovsen wrote:
> >
> > > 2.5" Pipping finishined with stainless Remus or Borla Muffler.(to be
> > > decided)
> >
> > Did you mean 2.25"? 2.5" is pretty damn HUGE for a N/A 2.0L engine. With
> > such a loss of backpressure, you might actually lose power. Since you're
> > ordering the manifold/downpipe from TT, you could go with their 2.25"
> > exhaust system with a Borla for a sweet full setup.
> >
> > Looks like a screamin' setup otherwise. Go for it!
> >
> > Neal
> >
> > --
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