why is the 572 bbc 4.5x4.5 combination not used so much?

Old 07-13-2007, 06:44 AM
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Join Date: Jan 2004
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Default why is the 572 bbc 4.5x4.5 combination not used so much?

It appears that engine builders advertising in the national dragster rearely if ever offer the 572 combo and I was wondering why that is. They seem to offer it in a shorter stroke larger bore, occassionaly, but mostly build around it and im curious as to why. Anyone have an opinion?
badbug3 is offline  
Old 07-13-2007, 01:24 PM
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Some do use it. It is a great combination but usually everyone is trying for bigger.

A very good frind of mine is curently builing that combination to do battle in the Bb Turbo wars in Outlaw.

edvancedengines is offline  
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