JohnR

iTrader: (1)

Hi,

I'm trying to install a new pair of Holley Valve Covers on my '99 LS1. Notice in the picture below that the stock passenger side cover has 2 vent ports, and the Holley cover only has 1 vent port.
Can someone please offer a solution on how to properly vent this engine with the Holley covers?



Thanks,
John

G Atsma

What pic??

JohnR

iTrader: (1)

Hahahaha! Thanks!
John

SlasherVRGR

iTrader: (1)

I have mine with just the passenger side line with inline pcv to the manifold, then the driver's side to the throttle body.

I don't have those covers, but I think mine are truck covers. They're set up essentially the same way.

JohnR

iTrader: (1)

Please tell me about the "Inline PCV". I didn't see one on my stock setup. Are you talking about the thing that is plugged into the rear driver's side valve cover?

John

SlasherVRGR

iTrader: (1)

Not sure how 99-02 are set up, but the 98s like mine have a little holder in the pcv line about... Idk 3in? From the front of the intake. I'll try to take some good pics today if I can actually get some sleep lol

JohnR

iTrader: (1)

I FOUND IT! Mine is the same way.

Thanks,
John

etrexny1

I know this is an old thread.. figure better to ask here then start a new thread..
N/A Ls3 with these Holley "Angled coil" valve covers. I prefer to NOT use a catch can if I can avoid it..

OK so now three days into research on this.. sounds like most people prefer a catch can. I want to avoid that if possible but will do it if I have to.

Given Ls3 N/A moror
Given Holley Angled coil valve covers with non metered tubes.

Drivers side VC tube >>Inline PCV (Beck Arnley 045-0299 inline PCV) to valley cover. Pass side valve cover tube to air intake tube after MAF.

OR
Drivers side VC tube >> to valley cover. Pass side valve cover Inline PCV (Beck Arnley 045-0299 inline PCV) tube to air intake tube after MAF.