BBC square port intake on oval heads

General engine tech -- Drag Racing to Circle Track

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BBC square port intake on oval heads

Postby jobes » Wed May 06, 2009 6:18 pm

I have heard that there is some power running a square port intake on oval port heads.Any body do this? Does it work? This is a drag race effort no street.468 cid roller 12.5 to 1.Thanks in advance as always!I appreciate all the wisdom!

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Postby Speedbump » Wed May 06, 2009 6:53 pm

Good thread a few months ago and before that even. Use the search function for rectangular port and oval port and you'll get lots of hits and lots of reading.
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Postby bigjoe1 » Wed May 06, 2009 7:02 pm

I saw it with my own eyes back about 35 or 40 years ago-- Square port tunnelram on oval port heads, car picked up 7 or 10 MPH in the quarter-- I worked at Edelbrock at the time, they all said it should NOT even run, let alone pick up 100 HP


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Postby sleeper sedan » Wed May 06, 2009 7:08 pm

This is a thread I had started some time back... There are a few references in regards to what you're asking, you might PM those members to get more information. ... highlight=

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