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s346k · 10-11-2021, 05:43 AM

a leakdown test should've been performed prior to disassembly. then there would be no question as to where it's losing compression. 50 lb is a lot and a lifter claimed to be the issue is suspect. bad lifters won't open valves, not the opposite. i'm already leery of this place.

if a lifter was stuck & hanging a valve open you would know it. it would be making engine noise accompanied with misfires & popping.

also have seen -first hand- an engine killed by detonation so bad it literally blew the ring lands off. i have pictures somewhere of rings hanging off the underside of the piston and the cylinder walls looked perfect.

edit: found some of them

10-11-2021, 05:43 AM	#7
s346k Drives: like an old lady Join Date: Jun 2012 Location: indiana Posts: 2,485	a leakdown test should've been performed prior to disassembly. then there would be no question as to where it's losing compression. 50 lb is a lot and a lifter claimed to be the issue is suspect. bad lifters won't open valves, not the opposite. i'm already leery of this place. if a lifter was stuck & hanging a valve open you would know it. it would be making engine noise accompanied with misfires & popping. also have seen -first hand- an engine killed by detonation so bad it literally blew the ring lands off. i have pictures somewhere of rings hanging off the underside of the piston and the cylinder walls looked perfect. edit: found some of them Attached Images __________________ 2016+ camaro: everyone’s first car Last edited by s346k; 10-11-2021 at 05:59 AM.