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I Bought A 428 Industrial Block W/ 406 Head With Cj Valves And It Seemed Loud. After Running It W/out Beating On It I Noticed Alot Of Noise Which I Thought Was Just The Solid Lifter Cam But Found Out That Three Tops Of The Valves Were Pancaked Flat. What Causes This. Bad Springs, Too Loose And They Needed Adjustments?
Do you mean the tips were mushrooned????
Yes Right Above The Springs Were Completely Flat On Three And All The Rest Had Sign Of Wear
Can you tell if those rockers were oiling?
Everything Was Getting Oiled. Maybe Springs No Good. This Motor Was Supposed To Be Rebuilt And The Inside Of The Heads, Tops Of Pistons Etc Were Gunked Full Of Old Carbon And Crap. Nice Rebuild.
hay there I had that problem years ago turned the rocker arm geometry was wrong I cant remember but I think the push rods were either too long or too short fixed that and no more problem hope that helps ted
Adj rocker arms might help. I have a set I'd give up for 500