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Old 01-26-2009, 01:56 PM
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sbc valve train questions

Im looking @ using 1.6 comp magnum rockers on the intake which should bump my valve lift up to .473. Is that too much lift for stock (z-28) springs? Should I just stick with a 1.5 ratio?

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Old 01-26-2009, 02:02 PM
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Quote:
Originally Posted by 65smallblock
Im looking @ using 1.6 comp magnum rockers on the intake which should bump my valve lift up to .473. Is that too much lift for stock (z-28) springs? Should I just stick with a 1.5 ratio?
They should be fine. Some advertise them as .550"-.570" lift but most recommend .510"-.520"lift.

Last edited by SSedan64; 01-26-2009 at 02:06 PM. Reason: spelling
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