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would i need a engine rebuild after this or can i get away with just swapping lifters.. engine looks good. u can still see the cross hatch marks on cylinders and stuff..
The cam lobe that lifer was on is most likely messed up. The rest of the engine should be good. I would pull the cam inspect the cam bearings. If good reassemble with new cam and lifters.
Same thing happened to me. Get yourself a trunnion kit for the rocker arms. I took mine down to Valaya Racing in SJ, and since I we're already going to be in there, I got new springs, cam, oil pump, and timing chain.
Finally pulled put everything and re inspected all the lifters and found
I suspect that I have one or two that look just like that as it is making a very loud clacking noise now.
My question is IF I pull the heads off, replace the lifters/trays, and get the correct length pushrods in there, will the (HIGHLY probable) damage to those cam lobes quickly destroy the brand new lifters while I use the car for the very short time UNTIL I can pay someone to replace the cam/timing set/oil pump/etc.??? (I do NOT trust my skills, or complete lack thereof, at degreeing/setting up the cam properly, to do it all at the same time. )
In other words, just HOW hard is the material of the rollers on the LS7 lifters, and can it handle some scoring/gouging of a cam lobe, given 'mild' spring pressures??
Last edited by dailydriver; Mar 27, 2016 at 02:53 PM.
If your cam is chewed up I wouldnt waste the time or money putting new lifters on it. If you can pull the heads off to do the lifters your plenty capable of changing the cam.
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