12-06-2009, 08:12 PM
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Half-Ass Member
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Join Date: Jun 2005
Cobra Make, Engine: ERA #732, 428FE (447 CID), TKO600, Solid Flat Tappet Cam, Tons of Aluminum
Posts: 22,025
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Not Ranked
Quote:
Originally Posted by Gunner
Roller rockers with a higher ratio, even a bit, would add 40-50HP, easily.
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Erson's are 1.76 -- I guess it's possible that he had 1.73's in there. If he had a lift at the lobe of, say, .306 the difference at the valve is only .010 by moving up the RA ratio -- but the Erson's are awfully nice. I have them on my engine, in fact. |
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