Rocker Arms

[Dwight Southerland]

Originally Posted by Geerhead55

Not sure what the ruling is on rocker arm ratio,,,but some of the old timers might remember the story about Bill Jenkins using Ford 289 rocker arms on his A/S 66' Chevy II(327 4speed) back in the day against Jere Stahl's A/S 66 Hemi Plymouth. He was thinking outside the box, as usual. Danny Durham

That may be a myth. The rules that year allowed those cars to use any aftermarket flat tappet camshaft and valve train. When I saw his car race at Tulsa that year, he had roller rocker arms.