[DeTomaso] Header Gaskets & Bolts

[Mike Drew]

Richard,

You should plan on checking tightness one time after a heat cycle. After that they should be fine. 

A greater concern is bolts rusting in the holes and breaking when trying to remove them. That really sucks.  It’s common when non-header bolts are used, but not unheard of with quality header bolts also. A dab of copper anti-seize can help prevent that. 

Mike

Sent from my iPad

> On Nov 18, 2022, at 14:37, Richard Greenblum <richard at richardgreenblum.com> wrote:
> 
>    Thanks Mike, that's what I had on the old engine, just concerned about
>   not using locking bolts. I have had to retighten a few header bolts in
>   the past with a brand of gaskets I don't remember.
> 
>   Sent from my iPhone
> 
>     On Nov 18, 2022, at 15:55, Mike Drew <MikeLDrew at aol.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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