V8 Coupe, etc.

Mark J. Besso mbspeed at maxboostracing.com
Wed Dec 5 07:15:50 PST 2007 

Geriant,

A few interesting tid-bits to consider:

1) The V8 weighs ~63 lbs less than the inline-5.
2) The V8 is physically shorter by (1) cylinder which moves the balance 
further to the rear.
3) The battery will have to be reloacted to the rear which moves another ~40 
lbs from the front to back.
4) The V8 should easily provide that sort of horsepower without turbo/super 
charging.

I have considered many different approaches to raising the fun-factor in the 
Coupe.  Hard to beat the performance per dollar spent of a small-block 
Chevy.  I even considered the awesome power-to-weight potential of a 
turbocharged rotary engine.  In the end I opted to keep it all-Audi.

A good friend owned a V8Q with a 5-speed.  Driving his car was what truly 
convinced me.  That little V8 is a great engine!  I think with some 
digital-tuning of the injection and a good exhaust it will be a lot of fun 
in a lighter chassis.

If only I could get the Coupe to be as comfortable to drive as the 4KQ. 
 Even after all these years I'm not convinced the Torsen setup is better 
than the manual-locking diffs of the 4KQ.  I may just back-date the car to 
that system.

~Mark


On Wed, 5 Dec 2007 09:47:00 -0500
  "Geraint Lloyd" <geraintlloyd_qc at yahoo.ca> wrote:
<br> >
<br> > Just to throw a curve ball into the 4k V8 discussion
<br> >
<br> > I still think that a 1.8 20v Turbo with a large selection of
<br> >bolt on mods
<br> > and a chip to 290 bhp, would be a way to go with a 4k.
<br> >
<br> > Think 80 quattro turbo
<br> > Instead of 90 quattro nose-heavy snail
<br> >
<br> > Also it would leave loads of space to fit monster intercoolers
<br> >and the like
<br> >
<br> > Just my $0.02
<br> >
<br> > Geraint
<br> >
<br> >
<br> >
<br> > -----Original Message-----
<br> >From: quattro-bounces at audifans.com
<br> >[mailto:quattro-bounces at audifans.com] On
<br> > Behalf Of Grant Lenahan
<br> > Sent: December 5, 2007 8:12 AM
<br> > To: LL - NY
<br> > Cc: thejimrose; Nathan Ray; quattro at audifans.com; Mark R
<br> > Subject: Re: V8 Coupe, etc.
<br> >
<br> > I agree - my 4kq really did feel good. It WAS slow, btu not
<br> > agonizing. I thought it had very balanced handling too - and
<br> >would
<br> > stick very well, albeit with boat-like roll.  And durable.
<br> >
<br> > 2nd the sucky trunk. You are too kind.
<br> >
<br> > Grant
<br> > On Dec 4, 2007, at 11:10 PM, LL - NY wrote:
<br> >
<br> >> I dunno, by the numbers, the 4KQ certainly was nothing special
<br> >>(I
<br> >> had to
<br> >> REALLY flog mine to beat a 2nd gen Taurus (3.8 L) out of the
<br> >> tollbooths from
<br> >> NY to Mass on the Mass Pike once), but it was actually one of
<br> >>the more
<br> >> satisfying drives I've owned. It just seemed soooo balanced,
<br> >>while
<br> >> still
<br> >> being a useful vehicle (although sucky trunk). Are their better
<br> >>
<br> >> drives out
<br> >> there? Yup, but as an overall package, it was actually pretty
<br> >> damned good.
<br> >>
<br> >> LL - NY
<br> >>
<br> >> On 12/3/07, Mark J. Besso <mbspeed at maxboostracing.com> wrote:
<br> >>>
<br> >>> *This message was transferred with a trial version of
<br> >>>CommuniGate
<br> >>> (r) Pro*
<br> >>>
<br> >>>
<br> >>> My 4KQ was one of the slowest cars I've ever owned and
<br> >>>certainly
<br> >>> wasn't
<br> >>> the
<br> >>> best handling.  It was without a doubt the most capable vehicle
<br> >>>
<br> >>> though!
<br> >>> There was no road, no weather condition, nothing that could
<br> >>> prevent that
<br> >>> car
<br> >>> from being used.  The only thing it couldn't survive was a
<br> >>>head-on
<br> >>> collision
<br> >>> with a Honda Prelude.  I probably would've been installing the
<br> >>>V8
<br> >>> in that
<br> >>> car if it hadn't been demolished.  When I parted with that car
<br> >>>it
<br> >>> had over
<br> >>> 350K miles on it and the engine had never had anything more
<br> >>>than
<br> >>> maintenance
<br> >>> done.  I had to replace the clutch once, but that was only
<br> >>>because
<br> >>> the
<br> >>> throw-out bearing seized to the tube it was supposed to slide
<br> >>>on.
<br> >>> I was
<br> >>> all
<br> >>> set to buy Paul Krasusky's 4KQ when I happened to hear about
<br> >>>the '91
<br> >>> Coupe.
<br> >>>
<br> >>> I got to see Mark Swanson's bi-turbo V8 Coupe at SFest a few
<br> >>>months
<br> >>> ago.  I
<br> >>> took a few pictures of it too:
<br> >>>http://5000tq.com/audifanspics/S-
<br> >>> Fest-2007
<br> >>> It sounded fantastic, but I've decided not to go the bi-turbo
<br> >>> route with
<br> >>> mine.  The plan is to start off with the stock 3.6l V8 with a
<br> >>> stand-alone
<br> >>> FI
<br> >>> system and a high-flow exhaust system.  If that doesn't seem
<br> >>>quick
<br> >>> enough
<br> >>> then I'd look to a belt-driven supercharger system like the
<br> >>>ones
<br> >>> that are
<br> >>> so
<br> >>> popular with the Mustang 5.0 crowd.
<br> >>>
<br> >>> Anyone really interested in the details of the V8 Coupe project
<br> >>>
<br> >>> should
<br> >>> contact Jay at Rabe Motorsports: http://www.rabemotorsports.com
<br> >>>
<br> >>> He's the
<br> >>> man-with-the-plan....so to speak.  I have all these dreams, but
<br> >>>it
<br> >>> will be
<br> >>> his fabrication skills and mechanical knowledge that makes it
<br> >>>all
<br> >>> happen.
<br> >>>
<br> >>> Cheers,
<br> >>> Mark
<br> >>>
<br> >>> p.s. Huw/Larry -- thanks for correcting me on the stock wheel
<br> >>>offset.
<br> >>>
<br> >>>
<br> >>> -----Original Message-----
<br> >>> From: Huw Powell [mailto:audi at humanspeakers.com]
<br> >>> Subject: Re: Wheel fitment question
<br> >>>
<br> >>>
<br> >>>> My latest car/wheel/engine combo involves a 1991 Coupe Quattro
<br> >>>>
<br> >>>> that's
<br> >>> going
<br> >>>> to get 17x7" TSW wheels with 25mm offset and 204/40-WR17 tires.
<br> >>>>
<br> >>>> In the
<br> >>>> spring it'll receive the engine from a 1990 V8Q!
<br> >>>
<br> >>> Cool.  Are you gonna twin-turbo it?
<br> >>>
<br> >>> --
<br> >>> Huw Powell
<br> >>>
<br> >>> http://www.humanspeakers.com/audi
<br> >>>
<br> >>> http://www.humanthoughts.org/
<br> >>>
<br> >>>
<br> >>>
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