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**kwmech** · 07-05-2018, 01:30 AM

I've been looking at buying the same Dart block for my Suburban.......... going to follow this build. I know the casting is heavier, but any idea of the amount of bore left with the 4.125 hole?

07-05-2018, 01:30 AM	#4
kwmech Senior Member Join Date: Mar 2003 Location: Colfax-California Posts: 8,388	Re: 427 SBC & 4L80e build I've been looking at buying the same Dart block for my Suburban.......... going to follow this build. I know the casting is heavier, but any idea of the amount of bore left with the 4.125 hole?