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#1
05-24-2020, 10:10 AM
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Olds W30 Cam Specs for Pontiac
The 1970 Olds W30 455CI was a good competitor in stock class, and on the street.
How would the W30 cam specs play out in a Pontiac engine, 400/455? Just curious. Specs: Intake opens BTDC -----56 degrees Intake closes ABDC -----92 degrees Duration -------------------328 degrees Exhaust opens BBDC ---96 degrees Exhaust closes ATDC ----52 degrees Duration -------------------328 degrees Valve overlap --------------108 degrees Valve lift Int/Exh ---------.475" Int. Valve Dia. -------------2.07" Exh Valve Dia. ------------1.6 Olds 455 - 4.125" bore x 4.25" stroke HP -------------------365 @ 5,000 RPM TQ -------------------500 @ 3,200 RPM |
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