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Eddies66 · 05-05-2010, 08:18 AM

Any ruling on the ratio? I have an article written in Oct 1966 "What Makes Bill Jenkins' Chevy Run" He ran a Isky 550 flat tappet cam with a 108 centerline and Crane roller-tip rockers. Not real stock for a stock class but I guess those were the rules.

05-05-2010, 08:18 AM	#7
Eddies66 VIP Member Join Date: Feb 2010 Location: Rancho Mirage, CA Posts: 1,308 Likes: 300 Liked 881 Times in 452 Posts	Re: Rocker Arms Any ruling on the ratio? I have an article written in Oct 1966 "What Makes Bill Jenkins' Chevy Run" He ran a Isky 550 flat tappet cam with a 108 centerline and Crane roller-tip rockers. Not real stock for a stock class but I guess those were the rules.