hydraulic cam

  1. cjstang6791

    '67 Mustang 289 V8 Rocker Arm Poly Lock Nuts Keep Coming Loose. Wtf?

    Long time reader, first-time poster and I'm seeking some advice on a rocker arm nut issue. I've been working on my '67 Mustang 289 +.030 V8 with a fairly aggressive "street/strip" cam (290/228, .504 lift), Comp Cams Roller Tip "Rail Type" rockers using poly lock nuts (some type from JEGS I...
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