Roller rocker for BigBlock ?? - Moparts Forums

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Re: Roller rocker for BigBlock ?? [Re: JohnRR] #1215276 04/15/12 11:01 AM 04/15/12 11:01 AM
Joined: Oct 2007 Posts: 4,210 New York polyspheric master
polyspheric master Joined: Oct 2007 Posts: 4,210 New York	Sorry, should have used the <sarcasm> tag. Th caged roller is easier to manufacture but IMHO inferior to the full complement. They eliminate a major cause of failure - shaft hardness - by using the shaft only as a support, not a bearing surface. Cages for roller separation become important when the speed of rotation gets above perhaps 3,000 RPM at this size. Harley used full complement on cam bearings since 1958 (1/2 engine speed) but caged rollers throughout the engine. Boffin Emeritus

Re: Roller rocker for BigBlock ?? [Re: polyspheric] #1215277 04/15/12 11:50 AM 04/15/12 11:50 AM
Joined: Jan 2003 Posts: 75,082 U.S.S.A. JohnRR I Win
JohnRR I Win Joined: Jan 2003 Posts: 75,082 U.S.S.A.	Got it ... thanks

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