[DeTomaso] ansa guts

Tue Mar 13 07:46:48 EDT 2007

Jim

They look good, what is the pipe diameter used in the header?

JT
----- Original Message ----- 
From: "Jim Wallace" <pantera_4220 at yahoo.com>
To: "Will Kooiman" <wkooiman at earthlink.net>; "'Gray Gregory'" 
<rgg at gregorycook.com>; "'John Taphorn'" <jtaphorn at kingwoodcable.com>; 
<David_Bell at oxy.com>; <detomaso at realbig.com>
Cc: <detomaso at realbig.com>
Sent: Monday, March 12, 2007 11:34 AM
Subject: Re: [DeTomaso] ansa guts

> 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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