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Firebirdjones · 08-02-2012, 09:09 PM

The 454 blocks are a little higher demand. They can be bored more and they easily accept a 4.250 crank for a very common 489/496 stroker combo.

08-02-2012, 09:09 PM	#10
Firebirdjones Registered User Join Date: Oct 2009 Location: Prescott, Arizona Posts: 2,396	Re: Opinions on 396 engine The 454 blocks are a little higher demand. They can be bored more and they easily accept a 4.250 crank for a very common 489/496 stroker combo.