[DeTomaso] valve ticking discovered

[Thomas Tornblom]

2012-05-14 18:05, MikeLDrew at aol.com skrev:
>
> In a message dated 5/14/12 7 49 1, thomas at hax.se writes:
>
>
>> I'm using Mr Gasket Ultra-Seal gaskets. I've had problems with the
>> "white" style gaskets blowing out with my 4V headers on 2V heads.
>>
>> No problems since switching to Ultra-Seals.
>
>
>  >>>I went straight to the top shelf for my header gaskets:
>
> http://catalog.remflex.com/
>
> Yes, they are more expensive ($52 including shipping). But they are also
> fantastic. Although they claim that you don't need to re-torque your
> header bolts, I have found that a single retorque is a good idea. After
> that, you're done. They are relatively thick, and compress to conform to
> irregularities between the header flange and the head.
>
> I also use their collector gaskets. Same deal. They also tolorate slight
> angular mismatch between the header collector and tailpipe flange, due
> to the fact that they can compress to make up for it. I actually use two
> gaskets on each side to give me double the compression room.
>
> Great stuff--can't beat it, I don't think?
>
> And FWIW, I tried copper gaskets once and it was a complete
> disaster--they leaked like hell right away--I pulled them out and
> returned them to Summit for a full refund....

I have them somewhere in my garage. They might be good to use as a 
template or something. They are useless as gaskets in any case.

>
> Also, as far as header bolts go, I march in a slightly different
> direction. I'm a big fan of ARP bolts but REALLY like their small-head
> bolts. These things are full-diameter where it counts (the threads) but
> have a smaller-than-normal 5/16 head instead of the normal 3/8 head.
> This means MUCH more clearance to get a wrench in there. I think that
> most of the times that header bolts back out and fall off, the root
> cause is an inability to tighten them properly in the first place due to
> a lack of access. The small-head bolt completely solves that problem.
>
> http://www.summitracing.com/parts/ARP-100-1110/

Yep, I believe these are the ones I use too, only that I drilled them 
for safety wire.

>
> Those are one-inch length; some heads may not be drilled deeply enough
> and would require 3/4 inch length:
>
> http://www.summitracing.com/parts/ARP-100-1108/
>

Cheers,
Thomas