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Tim H · 12-28-2009, 07:40 PM

I'm kind of suprised there are not more replies to your question, maybe it's because of holidays etc. There was a time not that far back when mostly all the "class" 396 Chevy racers were using 454 blocks sleeved down to make the req'd displacement. I guess that 396 racers are not as plentiful anymore.
Personally I have raced with a sleeved block (one hole only) and have been satisfied with the results. (also a BB Chevy).

12-28-2009, 07:40 PM	#4
Tim H VIP Member Join Date: Jan 2007 Posts: 1,043 Likes: 1,084 Liked 482 Times in 159 Posts	Re: Cylinder Sleeves I'm kind of suprised there are not more replies to your question, maybe it's because of holidays etc. There was a time not that far back when mostly all the "class" 396 Chevy racers were using 454 blocks sleeved down to make the req'd displacement. I guess that 396 racers are not as plentiful anymore. Personally I have raced with a sleeved block (one hole only) and have been satisfied with the results. (also a BB Chevy).