Скачать с ютуб Comp Cams Evolution Lifters Removed, Stock GM Lifters Installed в хорошем качестве

Comp Cams Evolution Lifters Removed, Stock GM Lifters Installed

This is the 3rd set of lifters in this engine in 2 years. The first set were Comp Cams LS Retrofit, they were horribly noisy, I have posted video of them running. I experimented with 3 different length push rods because they said maybe I didn't calculate the length correctly. The push rod length is not was not the cause and I ruled that out by process of elimination. I replaced those with a set of the new Comp Cams Evolution series. They said the Evolution series are way better. They are not much better in my experience. All I can say for them is they are a little less noisy. I have videos of the Evolution lifters running too. They said I need to use the right oil. I tried 3 different types of oil over a year and a half of running them. The oil made no difference at all. I have now installed a set of stock GM lifters. They are using a 7.350" push rod and the preload is about .06" which is within spec. They have about 12 hours run time here, which is about half the time they need for full run-in from what I have experienced in the last 2 years. After 3 engine tear downs and good money after bad, I am done with Comp Cams lifters. The engine has a Comp Cams camshaft and I'm happy with that, but I will never use Comp Cams lifters on anything again.