The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post

1966 K10 · 02-24-2019, 12:16 PM

Ive found for my 66 that factory installed PCV equipped engines had the flat cap and the round 'vented' cap is for non PCV applications.

02-24-2019, 12:16 PM	#141
1966 K10 Registered User Join Date: Sep 2017 Location: Rainier, WA Posts: 152	Re: Factory Correct Restoration Details Ive found for my 66 that factory installed PCV equipped engines had the flat cap and the round 'vented' cap is for non PCV applications.