The heat shield thing is well proven and does work by keeping hot oil off
the bottom of the intake. It does not affect plenum volume as it is in the
lifter valley, not within the plenum itself.
Dr. Pat
----------
>From: Gary Shook <gary.shook@wcom.com>
>To: dakota-truck@buffnet.net
>Subject: Re: DML: Street and performance - Now TB/Manifold Opening
>Date: Thu, Aug 26, 1999, 4:36 PM
>
> I think the idea is to just weld an additional heat sheld to the bathtub
> gasket (the one that covers the lifter valley)... But I've heard of a good
> alternative to this is that after you've made the mods to the intake, then
> have the bottom of the intake sealed up with 1/4" plate Aluminum... it will
> act as a heat sheild, and prevent the vacuum leak problem in the future.. as
> well
>
as further reducing the plenum volume.
> Gary Shook
>
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