Thread: Cams for 455 engine builds.
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Old 07-28-2017, 04:02 PM
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pastry_chef pastry_chef is offline
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Interesting build for comparison.
http://www.mondello.com/page9.html

Olds 455 - 4.25 stroke
10.9 compression
Comp cams 42-433-9 XR290HR - 110 LSA
500HP and 604ftlbs on 91 octane

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