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Old 04-08-2018, 12:25 PM   #6
GRX
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Join Date: Jul 2010
Location: MD
Posts: 1,901
350 rockers on a 250 ... no can do. Distance from fulcrum/stud to valve tip is greater. That is why the ratio is different.
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1969 c-10 Step Side Long Bed. I-6 250cid = = 1969 Pontiac GTO hard top. 400, 4-speed.
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