Thread: lifter install?

So i got my new oem Ls7 lifters in today due to a very slight ticking sound coming from my motor before i started tearing it down for my top swap. I thought it was most likely a bad lifter. Ive been trying to figure out how exactly do i install these...I was reading that lifters need to be pre-loaded when they get installed? Or do i just drop them in and crank the motor to TDC and properly torque my new 1.9 roller rockers? Should I soak them in oil prior to install? I watched the video Dubob made and there wasn't much detail on the lifter installation and I want to make sure I do this the right way. Thanks in advance.

-Erik

bump

yeah i have the non-adjustable's. I haven't read anything on pre-loading these oem hydraulic lifters, im wondering if that was only for the other style lifters such as the hydraulic flat tappets, solid flat tappets, and solid rollers.

COMP Cams -Frequently Asked Questions About Lifters

GM makes a pre-lube for lifters/rockers/pushrods...



12345501 - Camshaft and Lifter Pre-lube - For Flat Tappet (Non Roller) Camshafts -(4 fl. oz.) - 12345501

A little drop goes a long way. Brian used this when I watched him put together my 1st motor a couple years back. Awesome stuff. I got yo back homie LOL

I'd probably soak the lifters overnight in motor oil if I were you. At least thats the proper procedure for flat tappet lifters, not sure on rollers.

Some engine builders even recommend soaking the lifters in oil and one by one depressing the plunger so the lifters fill up easier.

Guys, this topic is almost 3 months old.

explokid, what info are you looking for? The stock rockers and most of the aftermarket rockers aren't adjustable, so without a lot more work, you don't know how much preload you have.

Originally Posted by explokid

EX: you had to turns them 2 turns past vs. the factory spec of 1/2-1.5.

That's just it, there's no such thing on these cars. You tighten the bolt down to the torque spec and that's it.

wow, brought back from the dead. I soaked my lifters in mobile 1 for a week, while i was waiting for some misc parts. I just dropped them in, put the lifter guides back in, washed down the valley, bolted the lim, torqued down the rockers, and that was really it.