Carnage pics
#1
Carnage pics
So this year has been hectic to say the least. I took the truck for the 4th spin this year. I bet I don't have 100 miles on it with the new turbo. I did a couple full throttle pulls at 15 PSI 14.5 degrees on pump gas 93. It was running pretty good. It went from 50-100 in 3.4 seconds. Well on the last pull it went to hell. It ran horrible, smoking, stalling, but I was able to make it home. I went to pull the #1 plug and it came out hard. Well here's what I had.
I still wasn't sure what happened until I pulled a valve cover and removed the rockers. The exhaust valve stem was much higher, then I knew I popped the head off.
I'm pretty sick over it. I wanted to finally make a good pass this year, and that looks like it will never happen. These were good stainless valves with 8k miles on them.
I still wasn't sure what happened until I pulled a valve cover and removed the rockers. The exhaust valve stem was much higher, then I knew I popped the head off.
I'm pretty sick over it. I wanted to finally make a good pass this year, and that looks like it will never happen. These were good stainless valves with 8k miles on them.
#2
TECH Junkie
Oh man I am so sorry to see this! Reminds of a few years ago when I just had to bail for a while to recover. Really sorry
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#9
I don't believe so. I wasn't showing any knock retard at all. I would think it was from the valve hitting a piston from maybe floating it. I will go over my log again tonight, but I didn't think my RPM's were that high. Maybe I have a broken valve spring in there. I had already planned on going with a smaller cam before this happened. Maybe I should have changed sooner.