One more advantage
One more advantage to RR's is that they are more accurate in the ratio that is actually provided. Stock stamped rockers are made to looser tolerances than the more expensive RR's so when you buy 1.6 or 1.7 RR's, that's pretty much what you will get with not much variation between cyliders.
Rev
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'66 Coupe, 306, 350-375 HP, C-4, 13.07 e.t., 104.8 mph, 1/4 mi.
O.B.C. #2
'66 coupe
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