Upgraded OE Valve Covers

[66 C10 383]

Originally Posted by A1971Blazer

On my LS1, I bought the LS6 valley cover; so far, 1900 miles, it's not showing any sign of excessive oil into the intake.

Cool deal, thanks for the reply.

I guess from what I've later seen you run the LS6 cover and run it to a catch can and the pcv valve is bypassed. If the catch can isn't vented you use one of the valve covers for fresh air.