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Oval vis-a-vis Rectangular Ports
Are there any real performance differences between the above on a bbc?
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Heads
Depends on what size engine and weight of car.
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Re: Oval vis-a-vis Rectangular Ports
Originally Posted by jreiley
Are there any real performance differences between the above on a bbc?
It's all just hype on a conventional BBC head, .. the port is too close to the deck to make use of any real oval port designs. Most of the current oval port heads like the Edelbrock / Musi or the Brodix are mostly just oval at the gasket and return to a semi oval in the port. Good oval port design has to follow the oval port through the entire port all the way to the valve to make any real benefit. look at SB2.2, oval port big chief or any raised runner head. Good oval ports have to get the port entry at least 2" off the deck. Curtis |
Re: Oval vis-a-vis Rectangular Ports
Originally Posted by cboggs
Originally Posted by jreiley
Are there any real performance differences between the above on a bbc?
It's all just hype on a conventional BBC head, .. the port is too close to the deck to make use of any real oval port designs. Most of the current oval port heads like the Edelbrock / Musi or the Brodix are mostly just oval at the gasket and return to a semi oval in the port. Good oval port design has to follow the oval port through the entire port all the way to the valve to make any real benefit. look at SB2.2, oval port big chief or any raised runner head. Good oval ports have to get the port entry at least 2" off the deck. Curtis makes good sense. :!: |
:D :D ....See Curtis is DA-MAN :wink: :wink:
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