[200q20v] source for header for NA I5?

[Chris Covington]

Right.. and a quicker car, thus the "4KQ has to be faster" theory doesn't
hold.  Even a regular 87 CGT definitely "feels" faster than an 87 4KQ,
though I don't have numbers to back that up.

Chris
'91 2cq


On Thu, 12 Apr 2001, Fundsalo Racing wrote:

> Very different engines, the 84-87 4KQ Vs the 130HP
> 87.5 CGT.
> 
> -glen
> 
> OOOO
> 
> 
> --- Chris Covington <malth at umich.edu> wrote:
> > Well, they're both 87 models, so I have a hard time
> > believing that
> > comparing an 87 4KQ with an 87.5 CGT is not
> > applicable.  I think Audi just
> > knew that the CGT was the sportier and faster car,
> > and didn't try to keep
> > the 4KQ faster, for some reason.
> > 
> > Chris
> > '91 2cq
> > 
> > On Thu, 12 Apr 2001, Fundsalo Racing wrote:
> >  
> > > The last (some?) of the Coupe GTs here in the US
> > got
> > > the 130/136/137HP (depending who you ask) engine
> > with
> > > higher compression, piston squirters, better
> > oil-pan
> > > baffling, etc. Not a direct comparison with the
> > older
> > > Coupe GTs and the 4KQs of US-spec.
> > > 
> > > -glen
> > > 
> > > OOOO
> > > 
> > > --- C1J1Miller at aol.com wrote:
> > > > The 87.5 coupe was sold here as the "last" coupe
> > in
> > > > USA until the '90/91 new body style car; don't
> > know
> > > > what happened overseas. 
> > > > 
> > > > Keep in mind we're usually a year or two late on
> > > > what we get; the new body style 4000 (read our
> > '88
> > > > on 80/90) was out with the 130 hp engine/
> > CIS-EIII
> > > > everywhere else, so it really was Audi not
> > upgrading
> > > > the last of the 4kq's...
> > > > Chris
> > > > 
> > > > In a message dated Thu, 12 Apr 2001  8:40:44 AM
> > > > Eastern Daylight Time, Chris Covington
> > > > <malth at umich.edu> writes:
> > > > 
> > > > << But didn't the 87.5 Coupe GT have more power
> > than
> > > > any other 4KQ EVER
> > > > (130hp?)?  And I'm sure with more power and less
> > > > weight, it was faster.
> > > > I'm not so sure that the 4KQ was 'supposed' to
> > be
> > > > just as fast as the
> > > > Coupe GT.
> > > > 
> > > > Chris
> > > > '91 2cq
> > > > 
> > > > 
> > > > On Thu, 12 Apr 2001, Fundsalo Racing wrote:
> > > > 
> > > > > I think one reason it is so difficult to
> > improve
> > > > on is
> > > > > that Audi required the 4KQ to be just as fast
> > or
> > > > > faster Vs the Coupe GT of the same vintage for
> > > > > marketing reasons. They designed a special
> > 2-piece
> > > > > cast/tubular heaser system and a very good
> > exhaust
> > > > > system to get 5+ HP more from the otherwise
> > > > identical
> > > > > engine in the Coupe GT to overcome the
> > additional
> > > > > weight of the AWD and keep the 4KQ as fast or
> > > > faster
> > > > > Vs the Coupe GT of the day. They put a lot of
> > > > extra
> > > > > development work and expense into the 4KQ
> > exaust
> > > > for
> > > > > this reason.
> > > > > 
> > > > > -glen
> > > > > 
> > > > > OOOO
> > > > > 
> > > > > --- Linus Toy <linust at mindspring.com> wrote:
> > > > > > At 04:45 AM 4/11/2001 -0700, Fundsalo Racing
> > > > wrote:
> > > > > > 
> > > > > > >Do you have information to the effect that
> > the
> > > > 4KQ
> > > > > > 85
> > > > > > > > 87 systems is any better Vs the 4KQ 84
> > > > system? I
> > > > > > had
> > > > > > >thought they were identical, cast 5-into-3
> > EM
> > > > bolts
> > > > > > to
> > > > > > >head and tubular 3-into-1 bolts to EM. It
> > is a
> > > > very
> > > > > > >nice factory system, takes advantage of the
> > > > > > >5-into-3-into-1 design and is quiet and
> > > > > > long-lasting
> > > > > > >due to the cast EM at the head Vs 100%
> > tubular.
> > > > > > >Thoughts?
> > > > > > >
> > > > > > >Thanks!
> > > > > > >
> > > > > > >-glen
> > > > > > 
> > > > > > Sorry, no.  you might check the family album
> > to
> > > > see
> > > > > > if the p/n are the same 
> > > > > > or different.
> > > > > > Related thought:  I once spoke with a tech
> > at
> > > > Borla,
> > > > > > inquiring about 
> > > > > > systems for the 4kcsq.  This was back in the
> > > > late
> > > > > > 80s when they were still 
> > > > > > new, but few exhaust systems needed
> > replacement
> > > > > > then, so very limited 
> > > > > > market.  At any rate, his comment was that
> > they
> > > > were
> > > > > > having (then) a tough 
> > > > > > time improving on the factory system. 
> > > > Interesting.
> > > > > > 
> > > > > > --Linus
> > > > > >
> > > > >
> > > >
> > >
> >
> *--------------------------------------------------------------------*
> > > > > > *  Linus Toy                      Insanity
> > is
> > > > doing
> > > > > > the same thing   *
> > > > > > *  Mercer Island, WA              you've
> > always
> > > > done
> > > > > > and expecting   *
> > > > > > *  linust at mindspring.com          different
> > > > results 
> > > > > >                 *
> > > > > > *                                      -
> > Roger
> > > > > > Milliken              *
> > > > > >
> > > > >
> > > >
> > >
> >
> *--------------------------------------------------------------------*
> > > > > 
> > > > > 
> > > > >
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