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

MR .T · 01-26-2010, 09:20 PM

you could check cam lift with a dial indicator. that will give you a good idea of what cam it is. stock is 390 lift L79 is 447 those are common.

01-26-2010, 09:20 PM	#7
MR .T Registered User Join Date: Jan 2010 Location: Kitchener, Ontario, Canada Posts: 94	Re: how do i know which crate i have? you could check cam lift with a dial indicator. that will give you a good idea of what cam it is. stock is 390 lift L79 is 447 those are common. Last edited by MR .T; 01-26-2010 at 09:22 PM.