[DeTomaso] ansa guts

Mon Mar 12 12:34:07 EDT 2007

Hey guys,

If you look at the Pantera of New England Web site
under "Big Pipes" you will see what I did to my Ansa
Mufflers as well as the addition to Pat Micals headers
and mid pipes.  I have yet to Dyno the car as I
reshaped my right front fender going to Pocono last
year, then I parted the car.  I have the before Dyno,
but this spring I will get the after numbers and post
them.  I can tell you from the seat of my pants it was
40-50 more horses and the RPM's used to stop at 5300
and now go to 6500 no problem.

www.panteraownersnewengland.com

Jim
--- Will Kooiman <wkooiman at earthlink.net> wrote:

> I remember your peak was 347, mine was 342, JT was
> next.
> 
> I believe JT had the highest torque numbers.  His HP
> tapered off with
> flutters in the curve (valvetrain).
> 
> Jim Narum had a fuel delivery problem.  His car
> leaned out when you leaned
> on it.
> 
> Will.
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com] On
> Behalf Of Gray Gregory
> Sent: Monday, March 12, 2007 10:50 AM
> To: John Taphorn; David_Bell at oxy.com;
> detomaso at realbig.com
> Subject: Re: [DeTomaso] ansa guts
> 
> Ok I'm chiming in... My car does have Hall's GTS
> exhaust sys. I always
> assumed it was stock, but if Gary says he modifies
> them then there you
> go. 
> 
> I also seem to remember my car made more hp than
> everyone else's, but
> nobody seems to be mentioning that. :>))
> 
> Gray
> 
> -----Original Message-----
> From: detomaso-bounces at realbig.com
> [mailto:detomaso-bounces at realbig.com]
> On Behalf Of John Taphorn
> Sent: Saturday, March 10, 2007 12:25 AM
> To: David_Bell at oxy.com; detomaso at realbig.com
> Subject: Re: [DeTomaso] ansa guts
> 
> David
> 
> Ideally, Gray will chime in and set the record
> straight.  Your yarn is 
> pretty convincing though. Of course, I pulled the
> data from our Dyno Day
> 
> spreadsheet.  We didn't qualify Gray's exhaust as
> other than stock and I
> 
> seem to recall surprise at the high end numbers. 
> You car's gutted Ansa 
> results were similar to mine.
> 
> JT
> 
> ----- Original Message ----- 
> From: <David_Bell at oxy.com>
> To: <detomaso at realbig.com>
> Sent: Friday, March 09, 2007 11:50 PM
> Subject: Re: [DeTomaso] ansa guts
> 
> 
> > My memory of the sound measurement exercise during
> the dyno day is
> > slightly different - though occasionally I've been
> known to completely
> > disremember things so you can't necessarily take
> this to the bank.
> But
> > I 'think' that the 'stock' GTS exhaust in JT's
> table was actually a
> > remanufactured system that Gray Gregory bought
> from Gary Hall.  I
> talked
> > to Gary at TWS one year when he brought out his
> grabber blue 'POPCAL'
> > car to run at the track.  I liked the POPCAL sound
> so much that I
> asked
> > Gary about it.  He told me that the GTS exhaust
> systems he sold were
> > stockish Ansa mufflers that had been gutted and
> put back together.  I
> > wasn't sure exactly what he meant by 'gutted', but
> at any rate that's
> > where I got the idea to try it on my car.  I ended
> up getting some
> more
> > details from Tony DiGiovana, who'd actually done
> it to his car, before
> I
> > pulled out the die grinder and chopped mine up.
> >
> > Anyway....the stock GTS exhaust measurement may
> actually not be
> 'stock'.
> > My ear tells me that at WOT the gutted mufflers
> are significantly
> louder
> > than before the surgery.  But at idle and normal
> driving they are
> maybe
> > only slightly louder, but have a meaner sounding
> growl (whatever that
> > means).
> >
> > YMMV
> >
> > Dave Bell (was bored in Abu-Dhabi, currently bored
> in Oman, soon to be
> > bored in Qatar)
> >
>
>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
> >
> >>>>>>>>>>>>>>>>>>>>>>>>>
> > Garth I do not have a sound clip. The exhaust
> noise is throatier and
> > only slightly louder. The modification helps
> minimize the chirping
> noise
> > often heard with the GTS. Space City Panteras
> measured sound levels at
> > idle and full throttle for various exhaust
> systems.
> > A sample follows -Idle/Wide open in db
> > Gutted GTS 94/118
> > GTS 84/119
> > Big Bore 93/121
> > Magna Flow 89/120
> > Mindtrain 98/122
> > The measured sound level difference between a
> gutted and stock GTS was
> > insignificant; although, it seems louder
> subjectively.
> >
> > JT
> >
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