Ok Phil... how bout on 2pc manifolds

[Kaklikian, Gary]

Fitted to my 10vt is the Scorpion UrQ downpipe with the Audi 2pc manifold.
The Scorpion downpipe eliminates the restrictive cast section (with O2 boss)
of the Audi downpipe. We tapped the downpipe to fit the O2 sensor further
down in a more convenient location. There was a noticeable in improvement in
spool-up with the Scorpion downpipe (not to mention that the cast connection
had cracked on the original downpipe.) Proven Products in the UK still
advertises them fo 115 pounds and will ship them to the US  Have you tried
the Scorpion piece, Phil? 

Gary Kaklikian
86 4ktq
92 S4

> ----------
> From: 	QSHIPQ at aol.com[SMTP:QSHIPQ at aol.com]
> Sent: 	Tuesday, June 19, 2001 5:27 AM
> To: 	quattro at audifans.com; urq at audifans.com
> Subject: 	Ok Phil... how bout on 2pc manifolds
> 
> >  All that said, venting a bypass valve to atmosphere sounds cool, btdt,
> but 
> it 
> >  sure isn't healthy, legal (EPA would have a fit), nor recommended. 
> 
> Phil Payne writes: 
> >>Nice to have something we agree on so completely. 
> 
> I guess it makes up for our complete disagreement on the supreceded
> fitting 
> of the 2pc manifold on 10vt cars only 2 days ago.  Your claim that the
> "ding" 
> of downpipe in the install of the 2pc manifold to put it on a urq as being
> 
> "bad" due to flow, has some serious flaws in argument and application.  If
> 
> you want to correct bad "flow" I highly suggest that you look at the cast 
> turbo to downpipe connection (the first 4inches of the downpipe), it is
> more 
> restrictive than any "ding" due to a better designed 2 pc manifold
> install.   
> A 3in flange can go directly to the turbo to eliminate the biggest 
> restriction in the downpipe, btdt..   
> 
> If the ding in the downpipe causes undue concern wrt flow, you can fit the
> 
> 200tq downpipe, which is smaller in diameter.  Not sure I'd do this, nor 
> would I recommend the 1 pc exhaust manifold to anyone looking for a 
> replacement.  Any "ding" you put in the downpipe is offset by a fairly
> large 
> gain in flow upstream of the turbo using the 2pc manifold. 
> 
> Scott Justusson 
> Back to lurk mode 
> 
> 
> 
>