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Re: inline 6 250 std rocker arms question
Inline six rockers are 1.75 ratio.
P. S.
Be sure to get a set of springs with your new cam. Not just because your new cam is about 0.100"
higher lift than stock. Valve float from old weak springs will kill performance.
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1969 c-10 Step Side Long Bed. I-6 250cid =  = 1969 Pontiac GTO hard top. 400, 4-speed.
Last edited by GRX; 04-07-2018 at 10:21 AM.
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