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Forum: Pontiac - Boost 10-11-2023, 10:01 AM
Replies: 2
Views: 1,772
Posted By mgarblik
Not exactly comparable, but a reference point? ...

Not exactly comparable, but a reference point? We ran 3 1971-1973 455 stock blocks converted to 5 billet Program Engineering main caps. Ran stock, race prepared "N" crankshafts ground with maximum...
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