Shaun R

Noisy motor after rebuild and looks like it's due to the rockers being gaped instead of zero lash. Just want to confirm I have the correct LT1 corvette rockers and I am adjusting them correctly. My LT4 is torque and go, these I am setting to zero lash and then a quarter turn. This is a marine LT1 which is basically a stock 4bolt Corvette motor with brass freeze plugs. Cam is stock LT1.

cv67

If you can tolerate the mess with the engine running/covers off back ea rocker off til you hear them and do it over. Prefer 1/2 turn after 0 lash may quiet up some. What brand lifters are they

Shaun R

There were a few that were really loose and has me hoping this was a slight oversight and I don't have other bolts loose in the motor. I am trying to stay away from running the motor with the valve covers off as I don't want to clean oil off the boat carpet or vinyl. Just did one side and tightened them up and gave it a quarter turn. Boat motors don't run as hot and use 20w-50 oil. So a little looser on the specs is usually a good idea. Not sure on the brand of lifter as I don't have the spec sheet in front of me. Thanks for the quick reply!