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Old 05-08-2019, 01:38 AM
RALLY RALLY is offline
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Default 72 Nova exhaust manifold cast dates used?

Guys do you know how close the exhaust manifold cast dates were close to your car build date? My 72 Nova SS was built 2 week in Feb 72. I found a good pair of used correct exhaust manifolds with tubes for a Cal built car but the cast dates are J-81 translates to Oct-8-1971. Would these cast dates be used for a Feb-72 car build? Thats about 3 months earlier they were cast and three months before car was built. How close did Chevy use cast date exhaust manifolds?
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