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Old 08-20-2012, 09:08 PM
cdminter59 cdminter59 is offline
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454 build up

Horsepoweraddiction, Can you give me the casting # off the rectangular port heads. I want to find out the chamber volume and port size. I have been looking online but there are too many heads with different size chambers. I was reading a couple articles comparing rectangle ports and oval ports. The oval ports performed better on the low end rpm but the rectangle ports caught up on the high rpm end. If you had them and money is a problem why not use them until you can afford something better?
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