[DeTomaso] Header mock-up

Thu Sep 26 11:58:21 EDT 2019

There's quite a bit of good aftermarket performance information out on the Coyote now, not sure emulating a design for prior generation engines will necessarily produce best results in peak performance. Looks like shorty headers work equally well on the Coyote, which in the available space in a Pantera may be a blessing.

https://www.enginelabs.com/engine-tech/exhaust/determining-header-design-affects-output-coyote-5-0/

Julian
[https://www.enginelabs.com/image/2016/07/2016-07-27_18-56-13.jpg]<https://www.enginelabs.com/engine-tech/exhaust/determining-header-design-affects-output-coyote-5-0/>
How Header Design Affects The Output Of The Coyote 5.0<https://www.enginelabs.com/engine-tech/exhaust/determining-header-design-affects-output-coyote-5-0/>
This had a fairly significant effect on the potential parts list, particularly for the Coyote. You can get all the details on the Coyote build here, but some of the key items of interest are the forged Manley Performance pistons (PN 598010-C), the street-friendly set of hydraulic camshafts (Comp Cams Stage 3 XFI NSR – PN 191160), and the Aeromotive billet fuel rails (PN 14130).
www.enginelabs.com

________________________________
From: DeTomaso <detomaso-bounces at server.detomasolist.com> on behalf of Mike Drew via DeTomaso <detomaso at server.detomasolist.com>
Sent: Thursday, September 26, 2019 8:20 AM
To: Mirril McMullen <mirrilm at earthlink.net>
Cc: Detomaso List <detomaso at server.detomasolist.com>
Subject: Re: [DeTomaso] Header mock-up

Yes, do you have a set of standard (NOT stock) Pantera headers you can emulate? Like Hall headers?

They typically have quite a bit more vertical height to accommodate the forward bends necessary to achieve equal length. Typically the pipe emanating from the rearmost cylinder initially turns forward, before then turning 180 degrees to the rear. This dictates a certain amount of vertical height so the bends aren’t impossibly sharp.

I know there are several other Panteras already running Coyote engines. Somebody is producing headers for them. Why not just get a set of those? You have so much other work that needs doing, I think this problem is best solved with a credit card! :)

Mike

Sent from my iPad

> On Sep 26, 2019, at 08:06, Mirril McMullen <mirrilm at earthlink.net> wrote:
>
> Nice!
>
> For bonus points can you try making them equal length?
>
> /\/\
>
> 74L 6859 WAYBAC
>
> -----Original Message-----
> From: DeTomaso [mailto:detomaso-bounces at server.detomasolist.com] On Behalf
> Of Corey Price
> Sent: Thursday, September 26, 2019 10:29 AM
> To: Detomaso List
> Subject: [DeTomaso] Header mock-up
>
> I'm putting a Coyote in my Pantera, and fabricating my own headers. I'm
> using PVC to mock it up. I'll work on it more to see if I can get a little
> more equal length design, but I thought I'd share.
>
> Corey
>
>
>
> _______________________________________________
>
>
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-------------- next part --------------
   There's quite a bit of good aftermarket performance information out on
   the Coyote now, not sure emulating a design for prior generation
   engines will necessarily produce best results in peak performance.
   Looks like shorty headers work equally well on the Coyote, which in the
   available space in a Pantera may be a blessing.

   [1]https://www.enginelabs.com/engine-tech/exhaust/determining-header-de
   sign-affects-output-coyote-5-0/
   Julian
   [2]How Header Design Affects The Output Of The Coyote 5.0
   This had a fairly significant effect on the potential parts list,
   particularly for the Coyote. You can get all the details on the Coyote
   build here, but some of the key items of interest are the forged Manley
   Performance pistons (PN 598010-C), the street-friendly set of hydraulic
   camshafts (Comp Cams Stage 3 XFI NSR - PN 191160), and the Aeromotive
   billet fuel rails (PN 14130).
   www.enginelabs.com
     __________________________________________________________________

   From: DeTomaso <detomaso-bounces at server.detomasolist.com> on behalf of
   Mike Drew via DeTomaso <detomaso at server.detomasolist.com>
   Sent: Thursday, September 26, 2019 8:20 AM
   To: Mirril McMullen <mirrilm at earthlink.net>
   Cc: Detomaso List <detomaso at server.detomasolist.com>
   Subject: Re: [DeTomaso] Header mock-up

   Yes, do you have a set of standard (NOT stock) Pantera headers you can
   emulate? Like Hall headers?
   They typically have quite a bit more vertical height to accommodate the
   forward bends necessary to achieve equal length. Typically the pipe
   emanating from the rearmost cylinder initially turns forward, before
   then turning 180 degrees to the rear. This dictates a certain amount of
   vertical height so the bends aren't impossibly sharp.
   I know there are several other Panteras already running Coyote engines.
   Somebody is producing headers for them. Why not just get a set of
   those? You have so much other work that needs doing, I think this
   problem is best solved with a credit card! :)
   Mike
   Sent from my iPad
   > On Sep 26, 2019, at 08:06, Mirril McMullen <mirrilm at earthlink.net>
   wrote:
   >
   > Nice!
   >
   > For bonus points can you try making them equal length?
   >
   > /\/\
   >
   > 74L 6859 WAYBAC
   >
   > -----Original Message-----
   > From: DeTomaso [[3]mailto:detomaso-bounces at server.detomasolist.com]
   On Behalf
   > Of Corey Price
   > Sent: Thursday, September 26, 2019 10:29 AM
   > To: Detomaso List
   > Subject: [DeTomaso] Header mock-up
   >
   > I'm putting a Coyote in my Pantera, and fabricating my own headers.
   I'm
   > using PVC to mock it up. I'll work on it more to see if I can get a
   little
   > more equal length design, but I thought I'd share.
   >
   > Corey
   >
   >
   >
   > _______________________________________________
   >
   >
   > Detomaso Email List is not managed by POCA
   > Posted emails must not exceed 1.5 Megabytes
   > DeTomaso mailing list
   > DeTomaso at server.detomasolist.com
   > [4]http://server.detomasolist.com/mailman/listinfo/detomaso
   >
   > To manage your subscription (change email address, unsubscribe, etc.)
   use the links above.
   >
   > Members who post to this list grant license to the list to forward
   any message posted here to all past, current, or future members of the
   list. They also grant the list owner permission to maintain an archive
   or approve the archiving of list messages.
   _______________________________________________
   Detomaso Email List is not managed by POCA
   Posted emails must not exceed 1.5 Megabytes
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References

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