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PY Online Forums - Bringing the Pontiac Hobby Together > General Forums > THE LOBBY > 421 SD Bathtub intake
 
 
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Old 01-09-2022, 08:46 PM
mgarblik mgarblik is online now
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Join Date: Mar 2005
Posts: 6,993
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Like you said, 2 machined aluminum castings with plenty of bolts. A thin film of Hylomar, RTV, or even an anerobic sealer and your done. Doubt a gasket is needed. Can't wait for mine. Quick question as I get ready for it. What valley cover would you recommend for this manifold for the late model casting? The newest version with the front PCV or the mid 60's version with the rear PCV. Both are available new. Thank you.

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