Great idea, I had not thought about that.
I'm using the C-Clamp Valve Spring Compressor tool kit, it makes it so much easier putting in the springs. The heads have to be removed to use this style of compressor kit.
https://orionmotortech.com/products/valve-spring-compressor-tool-sck-0001-bl...
They should have, and they didn't. The answer I got was that 1/2 of the staff that worked there no longer work there. That shit doesn't fly, anyways he hooked me up with the parts(discounted). I'm doing the work now so, we are saving the labor cost. We are only out a bit of money and my son's &...
I got with them this morning and the parts were out of warranty, the work was done in 2020. They did give me a big discount on the new parts I purchase from them this morning.
New cam (just a bit bigger)
Dual spring setup
Chrome moly pushrods
OEM LS7 Lifters
After a close examination of the cam thru the lifter hole, I could see the damage done to the cam. The damage keeps getting worst. I'm starting to think the builder (Velocity parts & performance) used the wrong springs and created float on the lifters during high revs.
After I got it out, I removed the drivers head and found some of the lifter shattered pieces. Next weekend I'm going to remove the oil pan & tray to see if I can find the remaining pieces.
Disconnect the axle and test again, sounds like the gears to me. The adjusters n.u.t.s might have gotten loose inside the diff. It's a common issue with gm 8.25 IFS diffs...
My first impression was a bent push rod, still waiting for my son to get it tow to my house to give it a proper diagnosis.
You are right it sounds like a collapsed lifter but this truck does not have the AFM system.
The truck is my son's 2004 silverado extended cab. He has it cam'ed out, headers, tune and other misc stuff including a high perf transmission. The truck is not his daily. This afternoon he took it for a drive and got on it hard. After a couple of runs he heard some knocking. I would like to...
I have had good success from getting my vehicles stolen with a kill switch and removing the guts from the door handles. On one of my trucks thiefs broke a window and got in the truck and damaged the steering column but over all could not take it. With that said you will still have damage that...
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