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R. Thorne · 11-25-2011, 08:40 AM

It seems like a lot of racers don't want roller rockers (myself included). Write NHRA, tell them and while you're at it, suggest a max valve spring pressure (say, 300-350lbs open) . No more rocker arm issues, lifter problems, pushrod flexing, more square lobes (no advantage without additional pressure) , rpm range kept "reasonable", etc. It has worked before (mufflers). Ron.

11-25-2011, 08:40 AM	#1
R. Thorne Member Join Date: May 2009 Posts: 182 Likes: 61 Liked 100 Times in 33 Posts	roller rockers It seems like a lot of racers don't want roller rockers (myself included). Write NHRA, tell them and while you're at it, suggest a max valve spring pressure (say, 300-350lbs open) . No more rocker arm issues, lifter problems, pushrod flexing, more square lobes (no advantage without additional pressure) , rpm range kept "reasonable", etc. It has worked before (mufflers). Ron.