The problem was the lifter on the intake of CYL#3. the noise that i was looking for was there. the roller part of the lifter basically had a chip taken off or it. it was free though. rolling like it should. smoothe surface but there was a really rough spot and it looked like the metal had been chiped off. the cam lobe is fine roteted it and shoothe all the way through the rotation. What could have caused this. im done for the night and ill look at it over more tomm. i loaded the rockers when i first got them 6 monts ago to 1 turn past lash. could this have caused it to do this. im retetting them to 3/4 turn when it is all put back together. let me know what u think thanks

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1995 Z28
Several bolt ons from front to rear
No 1/4 times to date
can't get it to hook up
yet...

 

we have found that the LT motors have a nasty habit of not lining up the rockers over the valves. the chipping you saw may be the only part that was touching the valve. We are using Isky adjustable guide plates now to make sure the rockers line up rite over the valves.

Good luck!

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Ellis
Team Captain
Team North West F-Body
www.teamnwfbody.org