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07-03-2003, 07:31 AM
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#14 |
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Join Date: Aug 2000
Location: Milan, OH
Posts: 2,699
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No problems with a siamese bore block on the street. Cooling won't be an issue at all, as a matter of fact I'd expect the bores to stay even truer than a non-siamese since the bore walls are thicker and more stable.
With the Sportsman blocks, I think its probably more the RPM than the HP level. I saw three of the blocks crack the #2 main web last season on an SCCA A-sedan motor. This motor was only about 425hp but sees pretty continuous 6200-6500 operation on the road course. It is a nuetral balanced engine with Eagle crank.
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Jeff Chambers 1990 Mustang GT 10.032 Seconds / 137.5 MPH 14-time Street Warrior World Record Setter CRT Performance 2001 Tropic Green Mustang GT - 12.181 / 113.2 MPH 2002 Ford F-250 Crew Cab 7.3l Power Stroke - 17.41@77.2 "There's nothing boring about a small block automatic shifting gears at 9400 rpm!" |
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