Re: [Chrysler300] 1962 300 H Exhaust Manifolds
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Re: [Chrysler300] 1962 300 H Exhaust Manifolds

The insulation is as the data book says, SOUND insulation. It is not a heat shield. You would get more air flow under the manifold without it.
Sent: Saturday, October 10, 2020 12:55 PM
Subject: [Chrysler300] 1962 300 H Exhaust Manifolds

Thanks to the latest E-News, I am reading the 1962 Engineering Data Book.
Couple of inquiries come to mind:
".....a combined intake manifold and tappet chamber cover, overlaid with sound insulating material..."
- What was the sound insulating material?
- I assume whatever it was would live under the manifold, on top of the aluminum valley pan?
- Was it glued on top of the valley pan?
Standard equipment, with mechanical valve lifters, tubular push rods, forged rocker arms, valve spring dampers, high output camshaft, and revised exhaust manifold  on all Chrysler 300 H models.
(And MANIFOLD is typed singular not plural, by the way)
- What was the difference in the Non-H 413 (or even 383) Exhaust Manifolds?
- Were they Headers?  If so, now impossible to find?
Matt Allyn


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