[DeTomaso] Header Gaskets & Bolts

Fri Nov 18 17:18:17 EST 2022

Larry,
Right you are. This why I shared a link to the 1-inch bolts. 
Wilkinson’s GTS-clone headers use flanges that are a mile thick, and no header bolts will work with them. In that case I use hardened studs and nuts in the opposing corners (I always do, actually), and conventional Grade 8 bolts (suitably lubricated) for the remaining holes. Thankfully his headers are crafted in such a manner as to allow full size wrench access. 
Mike

-----Original Message-----
From: Larry Stock <larrys at panteraparts.com>
To: Pantera Mike Drew <mikeldrew at aol.com>; Richard Greenblum <richard at richardgreenblum.com>
Cc: detomaso at server.detomasolist.com
Sent: Fri, Nov 18, 2022 2:11 pm
Subject: Re: [DeTomaso] Header Gaskets & Bolts

The Remflex exhaust head gasket will need a 1" long header bolt.
The standard small head ARP Cleveland bolt is 3/4"
We also sell the Remflex 3 bolt collector flange gasket, a Cinch Head Collector Flange bolt kit, and ARO small head Header bolts.
I also like the Mr. Gasket Composite head exhaust gaskets, as the don't seem to blow out like the others seem to and you can use the small head ARP bolts with them.
Larry Stock

On 11/18/22, 1:55 PM, "DeTomaso on behalf of Mike Drew via DeTomaso" <detomaso-bounces at server.detomasolist.com on behalf of detomaso at server.detomasolist.com> wrote:

      Richard,

      I'm a huge fan of the Remflex gaskets.

      As for header bolts I am a HUGE fan of the ARP small-head bolts. These
      are standard 3/8 bolts but they use a smaller 5/16 wrench for vastly
      improved wrench access. They look weird and work great.

        [1]https://www.summitracing.com/parts/arp-100-1110

      Mike
      Sent from my iPad

        On Nov 18, 2022, at 13:15, Richard Greenblum
        <richard at richardgreenblum.com> wrote:

        Anyone have recommendations for the best header gaskets and bolts?
        I've got CHI 4V heads and Ansa GTS exhaust system.
        I've found the top rated gaskets to be Percy's (XX Carbon and Seal
      For
        Good) and Remflex.  The top bolts appear to be Stage 8, Mr. Gasket
        Headlocks, and ARP (non-locking).  I want the best setup to avoid
      leaks
        because I'm going to run a Sniper EFI and as you all know, O2 sensors
        don't like exhaust leaks.
        Richard
        Austin, TX
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    References

      1. https://www.summitracing.com/parts/arp-100-1110
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-------------- next part --------------
   Larry,
   Right you are. This why I shared a link to the 1-inch bolts.
   Wilkinsonas GTS-clone headers use flanges that are a mile thick, and no
   header bolts will work with them. In that case I use hardened studs and
   nuts in the opposing corners (I always do, actually), and conventional
   Grade 8 bolts (suitably lubricated) for the remaining holes. Thankfully
   his headers are crafted in such a manner as to allow full size wrench
   access.
   Mike
   -----Original Message-----
   From: Larry Stock <larrys at panteraparts.com>
   To: Pantera Mike Drew <mikeldrew at aol.com>; Richard Greenblum
   <richard at richardgreenblum.com>
   Cc: detomaso at server.detomasolist.com
   Sent: Fri, Nov 18, 2022 2:11 pm
   Subject: Re: [DeTomaso] Header Gaskets & Bolts
   The Remflex exhaust head gasket will need a 1" long header bolt.
   The standard small head ARP Cleveland bolt is 3/4"
   We also sell the Remflex 3 bolt collector flange gasket, a Cinch Head
   Collector Flange bolt kit, and ARO small head Header bolts.
   I also like the Mr. Gasket Composite head exhaust gaskets, as the don't
   seem to blow out like the others seem to and you can use the small head
   ARP bolts with them.
   Larry Stock
   i>>?On 11/18/22, 1:55 PM, "DeTomaso on behalf of Mike Drew via
   DeTomaso" <[1]detomaso-bounces at server.detomasolist.com on behalf of
   [2]detomaso at server.detomasolist.com> wrote:
         Richard,
         I'm a huge fan of the Remflex gaskets.
         As for header bolts I am a HUGE fan of the ARP small-head bolts.
   These
         are standard 3/8 bolts but they use a smaller 5/16 wrench for
   vastly
         improved wrench access. They look weird and work great.
           [1][3]https://www.summitracing.com/parts/arp-100-1110
         Mike
         Sent from my iPad
           On Nov 18, 2022, at 13:15, Richard Greenblum
           <[4]richard at richardgreenblum.com> wrote:
           Anyone have recommendations for the best header gaskets and
   bolts?
           I've got CHI 4V heads and Ansa GTS exhaust system.
           I've found the top rated gaskets to be Percy's (XX Carbon and
   Seal
         For
           Good) and Remflex.  The top bolts appear to be Stage 8, Mr.
   Gasket
           Headlocks, and ARP (non-locking).  I want the best setup to
   avoid
         leaks
           because I'm going to run a Sniper EFI and as you all know, O2
   sensors
           don't like exhaust leaks.
           Richard
           Austin, TX
         _______________________________________________
         Detomaso Email List is not managed by POCA
         Posted emails must not exceed 1.5 Megabytes
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   etc.)
         use the links above.
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   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.
       References
         1. [7]https://www.summitracing.com/parts/arp-100-1110
       _______________________________________________
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   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.

References

   1. mailto:detomaso-bounces at server.detomasolist.com
   2. mailto:detomaso at server.detomasolist.com
   3. https://www.summitracing.com/parts/arp-100-1110
   4. mailto:richard at richardgreenblum.com
   5. mailto:DeTomaso at server.detomasolist.com
   6. http://server.detomasolist.com/mailman/listinfo/detomaso
   7. https://www.summitracing.com/parts/arp-100-1110
   8. mailto:DeTomaso at server.detomasolist.com
   9. http://server.detomasolist.com/mailman/listinfo/detomaso
  10. mailto:DeTomaso at server.detomasolist.com
  11. http://server.detomasolist.com/mailman/listinfo/detomaso