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Help with numbers on my 401
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September 4th, 2022, 10:20 PM
Funky61
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Join Date: Jan 2013
Location: Corona, CA
Truck: 1961 Suburban 1962 GMC Utility
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Re: Help with numbers on my 401
Check the Intake manifold and the exhaust manifolds as they should be dated and that may give you an idea
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1962 GMC Utility 305D
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