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Re: Shroud with or w/o AC
Yep, two factors at play here: fan thickness (since it has to be placed at a proper depth in the shroud hole) and rad thickness.
They're might be four shrouds:
Small block
Small block AC
Big block
Big block AC
There are also heavy duty cooling options but they probably use parts from the AC setup I'm guessing.
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1970 GMC Sierra Grande Custom Camper - Built, not Bought
1969 Pontiac 2+2 427/390 4-speed Coupe
1969 Pontiac 2+2 427/390 4-speed Convertible
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