Quote:
Originally Posted by southernfriedcj
I didn't realize the 421 was a "big block".
I assumed it was the same as the 350/389/400/455/ect.
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It is the same.
In the Pontiac community any reference to a "big block" or "small block" Pontiac engine is a faux pas.
K
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'63 LeMans Convertible
'63 Grand Prix
'65 GTO - original, unrestored, Dad was original owner, 5000 mile Royal Pontiac factory racer
'74 Chevelle - original owner, 9.56 @ 139 mph best
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