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11-26-2006 06:07 PM #1
The 520 casting heads used on 283s had 1.72 intakes and 1.50 exhausts but the same casting was used for the 250 hp 327 engine and then they had 1.94 intake valves installed.
Bob
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The 520 casting heads used on 283s had 1.72 intakes and 1.50 exhausts but the same casting was used for the 250 hp 327 engine and then they had 1.94 intake valves installed.
Bob
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