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I've got one lifter that seems to be collapsing after the engine is shut off. It sounds like the valve spring is "popping" open intermittently. It is also noisey on start up. I've got maybe 2 hours of run time on the lifters; they're Comp Cams brand. My question is I have Rhoads lifters that I...

I was looking at a cam with the following specs: (214 230 duration at 50 on 109 lobe sep with .501 and .522 lift WITH 1.6 rockers) It's similar to the Hughes Whiplash cams, smaller lift though. Would this lift work with Magnum heads? Valve springs will be changed to accommodate the cam. I...

Let's say a friend....installed his cam with a centerline of 106 degrees with the crank sprocket on the timing chain 4 degrees advanced. Would this mess with the timing? ie the 16 degree initial timing for the distributor when set actually be less? The answer to this "hypothetical" question...

Well, Rhoads lifters won't work with the Mag heads on an LA motor. Actually, they work but are really noisey. Lifter preload is about .020 but Rhoads says 1/16 of an inch (.062) With regualr lifters I get around .045 preload. Also tried a SB Chevy 1.5 rocker arm, stock, and the Chevy pushrod...