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63 Posts
Discussion Starter #161
Back at it...

The next experiment was to put a different lifter in place of the rollers I have so I consulted with Comp Cams (not very helpful really) and purchased a single pair of what they recommend for the application: 8931-2.

This next video demonstrates oil flow in #4 with the Comp lifter. Without a doubt the Comp unit flows much more than the LPC units and delivers oil sooner, almost on par with the solids.

Arguably this may or may not be a valid test but I think if I replace the lifters, at a minimum, it'll take them out of the troubleshooting equation and with any luck solve the problem... fingers crossed.

Wish me luck! I'll let you know how I make out.

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