How widespread are GM LS/LT lifter failures? - svtperformance.com
Jan 16, 2025 · I have done heads, cam and lifter swaps in several fbodies, 5th gen camaros (LS3) and C5/C6 cars. Again never seen any wear issues on factory lifters, cams…but those aren’t …
Sorting Out Gen V LT Lifter Failure With A Simple Valvetrain Fix
Jun 24, 2025 · The DOD lifters in Gen V engines are the same as every Gen IV LS with DOD/AFM, but the failure rate in Gen Vs is much higher. The cups should stop this, but with …
GM Lifter Failures: Huge Issue Or Blown Out Of Proportion?
Apr 6, 2025 · Customers have voiced complaints about GM lifter failures across a wide range of V8-powered vehicles. Which leads us to ask - how big of an issue is it really?
'LS1Tech' Shows You How to Test for a Bad Lifter in an LS
Mar 24, 2023 · There are numerous ways to check for a bad lifter, though some are simpler than others. Check it out on LS1Tech!
Lifters failure | LS1GTO Forums
Oct 8, 2025 · Combined with worn lifter trays, this will result in a chewed-up lifter roller and cam lobe. The worn lifter trays will cause the lifter to twist slightly more over time.
Supercharged LS2 Lifter Failure - CorvetteForum
May 15, 2025 · I found a badly failed lifter on the intake port of cylinder 4, it appears the bearing had failed and stopped spinning, causing the lifter to drag on the cam grinding the lifter itself …
LS cam/lifter failure - Don Terrill’s Speed-Talk
Aug 17, 2020 · Lifters were the GM lifters everyone uses for these engines. My thinking is the step lookjng finish was vibrating the lifters pretty hood and creating some extreme pressure on …
Melling Tech Tips for GM LS Lifter Issues - Engine Builder Magazine
Feb 6, 2019 · The Melling tech department is finding that customers are experiencing repeat AFM lifter failures. Please carefully review this video to assist when rebuilding an LS engine with a …
LS And LT Lifters: The Rundown On What To Roll On
Jan 20, 2025 · If a failed lifter is being replaced, it can be especially important to try to flush out any remaining metal debris in the engine from the camshaft and roller failure which can work …
LS Engine Lifter Failure Diagnosis and Repair - YouTube
** On LS engine lifters commonly can fail and create expensive repairs. It is best to diagnose them early. Otherwise the oil supply system can be effected and rapidly cause bearings trouble...