I don't think bore spacing has as much to do with it now as much as everyone thought a few years back. I think that with the advancements in cylinder heads for SBC especially which have a 4.400 BS. That there are some combos making that or close to it now. I know the Ausie Prostock is 4.500 BS, but that is for packaging purposes for that class. Obviously they have shorter decks so they need a little bigger bore to get the cubic inch, rod to stroke ratio that will work.
Anyone here run or know anyone who is running in NHRA comp eliminator? I know those guy's are around 2.7 + per cube and run all kinds of different engine combos.
Don Johnston
DCI MOTORSPORTS INC.
330-850-5050 shop
330-628-3354 cell
Designer of the DCI Tiger Heads and the NEW DCI Ram Air 5 Heads !!!!!
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