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Chipper Chapman · 11-28-2018, 01:59 PM

The 1996-2000 305 vortec blocks are supposed to be the best, but you would have to use a rear main seal adapter, just like many of the bowtie blocks had.

11-28-2018, 01:59 PM	#9
Chipper Chapman Member Join Date: Jan 2004 Location: Belmont N.S. Canada Posts: 473 Likes: 246 Liked 166 Times in 71 Posts	Re: 305 engine block question The 1996-2000 305 vortec blocks are supposed to be the best, but you would have to use a rear main seal adapter, just like many of the bowtie blocks had. __________________ Chris Chapman 1969 Chevelle NHRA F-G/SA 1090