[Fot] TR intake gaskets

[Bob Kramer]

Getting to the two bottom nuts gets even more difficult when you add a
support bracketing to take the place of the OEM bolting of the intake to
the exhaust manifold that we lose when using a header, thus it is easier to
get it wrong.

On Wed, Apr 9, 2025 at 7:48 AM yellow04 via Fot <fot at autox.team.net> wrote:

> My money is on this one... Blowing out the bottom of the intake gaskets
> means you didn't get nearly enough pressure (if any) from that pesky lower
> mounting stud and clamp. I have found if you use anything other than a
> stock intake manifold and stock exhaust manifold, you must scrutinize the
> area where the clamps will sit to ensure the height is very similar. Or,
> modify the clamps by welding on something to make sure when the clamp rests
> on the appropriate bits of the intake and exhaust manifold, when the nut is
> tightened it puts equal pressure on both manifolds. Obviously, the mounting
> face on each manifold needs to be flat. Assuming you have everything in
> order, there is no reason a stock manifold gasket will not work, I have run
> them when I could not get my hands on the HD gaskets and they worked fine
> for me.
>
> Last thought, the nuts that hold the manifolds on are notorious for
> loosening up in time, and especially after the first few heat cycles. And
> with everything installed, getting to the two bottom nuts can be a pain.
> But, failure to keep them properly torqued leads to blown out gaskets.
>
>
>
> On 2025-04-09 06:55, vfracing--- via Fot wrote:
>
>
> Lyman;
>
>  another possible cause is a mis match in the thicknesses of the intake
> and exhaust manifold flanges.
>
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