Himes, Terry (397C)
Terry.Himes at jpl.nasa.gov
Tue Jan 8 14:35:23 EST 2019
I have Big Bore's I bought from Hall in 2001. Still working, still sound GREAT and I love'em!!
I'm also know in the neighborhood as "the guy with the loud car!" __
"A Purple Heart proves you were smart enough to hatch a plan,
stupid enough to try it and lucky enough to survive!"
Terry W. Himes
JPL Jet Propulsion Laboratory
Dawn Spacecraft Team
Juno Systems & Software Team
TGO Sequence Lead
Phone: (818) 393-6261
Cell: (818) 653-8213
thimes at jpl.nasa.gov
On 1/8/19, 11:32 AM, "DeTomaso on behalf of Jimmie Gray" <detomaso-bounces at server.detomasolist.com on behalf of grayjim at cox.net> wrote:
I have the Hedman Hedders as originally sold by Lary Stock. No fitment issues experienced.
Just my .02
> On January 7, 2019 at 5:30 PM Charles Engles <cengles at cox.net> wrote:
> Dear Rich,
> I don't know that there is a consensus. IIRC, the Euro GTS
> headers-exhaust were considered the best although they lost a reported 50
> hp. The Hall Big Bores have a smallish collector and lose more hp. I am
> also aware of one cognoscente that finds the BB exhaust note unpleasant.
> Then....came the Wilkinson headers. Initially, they were reported to look
> good, sound good and have the lowest hp loss. For a while, they were the
> ticket. Then scattered reports of poor durability due to poor construction
> were filed on Pantera message boards.
> I have a '74 Pantera. The euro GTS headers hit the left
> engine mount on installation and were" fixed" in 1990 by the mechanic who
> installed them with a BFH. Years later I discovered that they *still* did
> not completely clear the engine mount. I also have a pair of Hall BB
> headers on the other 74 Pantera. The do not interfere with the engine
> mounts . Neither the GTS nor the HBB interfere with the gas tank shield.
> I suppose the easiest option is to buy a set of the euro GTS
> headers. The best and most expensive option would be to have a set of
> headers fabricated. Whatever manufactured headers you buy, CHECK the
> fitment carefully before the final exhaust gaskets and bolts are applied.
> Warmest regards, Chuck Engles
> -----Original Message-----
> From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf
> Of Larry Weston
> Sent: Monday, January 07, 2019 8:26 AM
> To: Rich Hoppe; detomaso at detomasolist.com
> Subject: Re: [DeTomaso] headers
> Last experience with 2" GTS tri-wye pipe arrangement required serious gas
> tank heat shield movement for clearance. Hall Big Bores not so much, but
> they touched.
> From: DeTomaso <detomaso-bounces at server.detomasolist.com> on behalf of Rich
> Hoppe <richbhoppe at gmail.com>
> Sent: Sunday, January 6, 2019 4:53 PM
> To: detomaso at detomasolist.com
> Subject: [DeTomaso] headers
> I have a pair of headers for 2v heads is someone needs them.
> I need to purchase a new set for a 4v.
> Tri wye or big bore.
> What is the consensus?
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