[Shotimes] custom y-pipe?

Paul Nimz pnimz@v8sho.com
Tue, 10 Feb 2004 09:15:14 -0600


It used a smaller diameter center hole, than the total flange area, that had
a many smaller holes around the diameter of the central hole.  The smaller
holes were varied by quantity.  Pretty easy to change out and yes I was
trying to increase low end torque.

Paul Nimz
'97 TR
'93 EG mtx


----- Original Message ----- 
From: <Mike.Wojton@us.o-i.com>
To: <shotimes@autox.team.net>
Sent: Tuesday, February 10, 2004 7:42 AM
Subject: Re: [Shotimes] custom y-pipe?


> Just different diameter holes?  How did you determine which was best?
> Seat of the pants feel?  I presume you're looking for an increase in
> torque.
>
>
> Mike Wojton
> Toledo, Ohio
>
> -'95 White MTX
>    '96 Brake Upgrade
>
> "Avoid the clap." - Jimmy Dugan
>
>
>
>
> shotimes-admin@autox.team.net wrote on 02/10/2004 01:38:07 AM:
>
> > I agree. backpressure is easy to add.  I use to run a restrictor plate
> at
> > the Y pipe /Cat back flange.  Got a few laying around if anyone wants
> one.
> >
> > Paul Nimz
> > '97 TR
> > '93 EG mtx
> >
> >
> > ----- Original Message ----- 
> > From: "John J. Weidenbenner" <johnjweid@charter.net>
> > To: "Carl Prochilo" <gr8sho@prochilo.myserver.org>;
> <Mike.Wojton@us.o-i.com>
> > Cc: <shotimes@autox.team.net>
> > Sent: Monday, February 09, 2004 4:52 PM
> > Subject: Re: [Shotimes] custom y-pipe?
> >
> >
> > > I'm not sure why a single dual inlet cat is being investigated. What's
> the
> > > advantage. It doesn't match the original layout so it won't the meet
> the
> > > govt requirements unless the new design is submitted and passes
> testing.
> > > It's not submitted to the doof that does the emissions test.
> > >
> > > If low cost and retaining enough back pressure is the objective how
> about
> > a
> > > catless y-pipe with restriction(s)added, such as a necked down pipe
> > > element(s). Whatever size it takes. Flow could be caculated and/or
> looked
> > > up. This could even lead to a customeizable/tuneable y-pipe. The pipe
> > still
> > > would not have the emmisions "paper work" to make it legal - if you're
> > > caught, but would eliminate the cost of the convertor(s).
> > >
> > > John W.
> > >
> > > ----- Original Message ----- 
> > > From: "Carl Prochilo" <gr8sho@prochilo.myserver.org>
> > >
> > > > I believe Ian Fisher is investigating this now.
> > > > -- 
> > > > Cheers,
> > > > Carl Prochilo
> > > > 1992 Ultra Red Crimson
> > > >
> > > > Mike.Wojton@us.o-i.com said:
> > > > > I was talking to a friend at work here about y-pipes and such
> > > > > (he's researching options for his Contour SVT).  Anyways, we were
> > > > > looking at convertors, and noticed a Catco dual inlet, single
> outlet
> > > > > convertor.  http://tinyurl.com/38xer  Last one on the page.
> > > > >
> > > > > Anyone ever thought about using something like this for a custom
> > > > > y-pipe?
> > > _______________________________________________
> > > Shotimes mailing list
> > > Shotimes@autox.team.net
> > > http://www.team.net/mailman/listinfo/shotimes
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