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ss3011 · 06-14-2012, 08:21 PM

The times I had to bring my Pontiac stocker through a teardown, I brought my own 2 lifters, that I had welded the cup to lifter body. Once the Tech guy accepted them I, installed them in the block with the same pushrods I was running, reinstalled the rockers and poly locks. With the lifters on the base circle of the cam, the Tech guy set the poly lock setting by hand by rotating the pushrod, while he hand tightened the poly lock, Basically he tightened the poly lock until the push rod just wouldn't turn. He always asked me if I thought it was too tight, and allowed me to feel the load on the push rod. If I thought it was too tight he would redo it. I have never had a problem with that technique, and it always checked a little under spec. Best thing to do at home is to run all the different set up procedures, so you know what the effect is. Too tight is not so good as I remember.

06-14-2012, 08:21 PM	#2
ss3011 Senior Member Join Date: Feb 2002 Location: Southeast Michigan Posts: 909 Likes: 70 Liked 239 Times in 114 Posts	Re: Checking Valve Lift The times I had to bring my Pontiac stocker through a teardown, I brought my own 2 lifters, that I had welded the cup to lifter body. Once the Tech guy accepted them I, installed them in the block with the same pushrods I was running, reinstalled the rockers and poly locks. With the lifters on the base circle of the cam, the Tech guy set the poly lock setting by hand by rotating the pushrod, while he hand tightened the poly lock, Basically he tightened the poly lock until the push rod just wouldn't turn. He always asked me if I thought it was too tight, and allowed me to feel the load on the push rod. If I thought it was too tight he would redo it. I have never had a problem with that technique, and it always checked a little under spec. Best thing to do at home is to run all the different set up procedures, so you know what the effect is. Too tight is not so good as I remember.