The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Changing air cleaner and valve Covers on Smog truck

**78 Big10 454** · 06-14-2010, 01:33 AM

Valve covers are no problem, since most applications I've seen allow for the installation of the PCV valve. The air cleaner is another matter. I use an aftermarket air cleaner, except when I smog my truck - then the stock set-up is reinstalled for the test. Makes life a whole lot easier.

06-14-2010, 01:33 AM	#3
78 Big10 454 78 Big10 454 Join Date: Jul 2008 Location: Pismo Beach, CA Posts: 841	Re: Changing air cleaner and valve Covers on Smog truck Valve covers are no problem, since most applications I've seen allow for the installation of the PCV valve. The air cleaner is another matter. I use an aftermarket air cleaner, except when I smog my truck - then the stock set-up is reinstalled for the test. Makes life a whole lot easier.