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Old 12-16-2014, 08:16 PM   #1
John Scott
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Default Intake Manifold Heat Shield

I have a chance to buy a 3973469 (1971 350/270) intake manifold but the heat shield is missing. Is this a big deal? Should I keep looking?
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Old 12-16-2014, 09:14 PM   #2
MAURICE BLENDHEIM
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Default Re: Intake Manifold Heat Shield

John… No big deal. You can replace it with one from any cast iron small block intake if you find it necessary. On a race application crossover passage is usually blocked off where intake meets heads. Maurice.
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Old 12-16-2014, 09:21 PM   #3
Mark Yacavone
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Default Re: Intake Manifold Heat Shield

Just use something like this:

http://www.summitracing.com/parts/mor-25050/overview/

I always notch the holes so you can remove the thing without taking all the push rods out.
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Old 12-16-2014, 09:21 PM   #4
John Scott
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Default Re: Intake Manifold Heat Shield

Thanks Maurice and Mark.
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