The 1947 - Present Chevrolet & GMC Truck Message Board Network - View Single Post - Factory 402 cam specs

davepl · 03-03-2012, 08:53 PM

I have a 1970 GMC 402, the L-47 310hp edition. It's a T042TTBG block and 3975950 heads.

I'm about to rebuild it (stock) and was going to play with the cam a little in Desktop Dyno, but can't for the life of me find the original cam specs.

Anyone know (or know where I can find) the numbers for the stock cam?

Thanks!
Dave

03-03-2012, 08:53 PM	#1
davepl Registered User Join Date: Aug 2006 Location: Redmond, WA Posts: 6,332	Factory 402 cam specs - desktop dyno I have a 1970 GMC 402, the L-47 310hp edition. It's a T042TTBG block and 3975950 heads. I'm about to rebuild it (stock) and was going to play with the cam a little in Desktop Dyno, but can't for the life of me find the original cam specs. Anyone know (or know where I can find) the numbers for the stock cam? Thanks! Dave