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#1
07-19-2006, 03:20 AM
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Re: Using rectangular port intakes on oval port he
I'm sure when you get up into the high horsepower stuff say 500+ , it becomes much more critical. But on the average 300-400hp big block it doesnt seem to matter.I had a dart oval intake on my 600 hp bracket 454,and picked up a full .01 and 1.5 mph going to a squareport victor jr.My new motor makes closer to 700hp and i'm sure my old oval dart wouldnt keep the pace.
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#2
07-28-2006, 12:30 PM
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Re: Using rectangular port intakes on oval port he
Ok this sounds good I have oval port heads on my 68 and would like to put a 163 intake on it. What intake gasket set do you use, oval or rectangular.
Jason
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#3
07-28-2006, 05:11 PM
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Re: Using rectangular port intakes on oval port he
Use the rectangular port gaskets or you will have a huge air leak. Snap an oil shield under the intake while you have it off. Keeps hot oil off the underside of the intake. Block the heat crossover as well.
__________________
Chevelleless after 46 years......but we did find a low mileage, six speed, silver 2005 Corvette. It will just have to do for now. 
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