Cam Pics - Opinions Wanted.
Originally Posted by 2K2WS6TA
Looks like some of the lobes have spalling wear on them, I'd use it for a paperweight, but not as a cam in my engine
I say you make a cam chucking device and see how many peices of plywood you can shoot it through or sheetrock, something fun to watch on fquick vid
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That was my G5X2 cam with less than 10K miles and never seen 4000 RPM's ... I told Eddie that it is not usable 
but he wanted to post up to see what the cause.
I really don't wanna post this because it may stir up with Lou at LG.
I was one of the very first person to get on the first batch of G5X-2 cam. I got the cam installed at GM dealer during they did the re-rings.
Everything was stock except springs and push rods those came with the G5X-2 pkg.
The valve train noise level just keep getting louder and louder but I thought it is just because of the cam and springs.
To a point, I started investing to after market rockers since people said those would quiet down the noise. I got the Crank rockers on for a month and still got the same noise and started hearing those Crank rockers may fail so I took them off the put the stock lifters back on.
About 2 yearrs ago, I upgraded stock heads to 5.3 stage 2 with Patriot gold springs. When removing the stock heads, I found 3 or 4 stock lifters got eaten up. I then replaced those with new good ones but did not know the cam actually eaten up the lifters or vice versa ...
After I put in the new lifters, the valve train even more noisy than it was before. I thought because of the new valve springs which rated to 6.5 lift.
Recently, I added supercharger and swapped out the cam to notice those damages ...
So for those with big cam and noisy valve train, watch out
-Mike
but he wanted to post up to see what the cause.I really don't wanna post this because it may stir up with Lou at LG.
I was one of the very first person to get on the first batch of G5X-2 cam. I got the cam installed at GM dealer during they did the re-rings.
Everything was stock except springs and push rods those came with the G5X-2 pkg.
The valve train noise level just keep getting louder and louder but I thought it is just because of the cam and springs.
To a point, I started investing to after market rockers since people said those would quiet down the noise. I got the Crank rockers on for a month and still got the same noise and started hearing those Crank rockers may fail so I took them off the put the stock lifters back on.
About 2 yearrs ago, I upgraded stock heads to 5.3 stage 2 with Patriot gold springs. When removing the stock heads, I found 3 or 4 stock lifters got eaten up. I then replaced those with new good ones but did not know the cam actually eaten up the lifters or vice versa ...
After I put in the new lifters, the valve train even more noisy than it was before. I thought because of the new valve springs which rated to 6.5 lift.
Recently, I added supercharger and swapped out the cam to notice those damages ...
So for those with big cam and noisy valve train, watch out
-Mike
I had a cam that looked similar in my engine. The cam had killed my lifters. When I replaced my lifters the cam looked just like that. Since the car was a daily driver I had to button it back up again with only 4 new lifters. Within 3K miles the new lifters were all chewed up again and I had to pull the heads. Since I had been planning it ahead of time, I already had a new cam lined up and ready to go in.
Dont use that cam.
Dont use that cam.