I have the Shaver Comps in my motor. Noisy when hot at idle, 20 psi. Really noisy around 1500-1900 RPM, 45-50 psi. I've done the lifter bore mod recommended by Paul Carter. No change. I had the earlier comps and they were noisy also. Ready to throw the towel in and just live with it. Saw a post by Cliff saying he bottoms out the lifter and backs it off 1/2 turn rather than 1/2 turn down from zero preload. Tried it and it is quiet at all RPMs. As Cliff stated, not recommending this, just saying....
|