Engine ID Help - The 1947 - Present Chevrolet & GMC Truck Message Board Network

MStokes · 01-11-2003, 07:10 PM

I need some help getting all the info on my engine. The number behind the drivers side head is 3951511. After looking at Mortec.com, I got that this is a 1970-1973 400 CID.

The numbers on the front passenger side deck at the bottom of the head are 10C156025 and T0211CGR. I can't find any details on what these numbers mean. Also, on the back of the passenger side on the block are there is a "T3".

Any help would be appreciated.

Southpa · 01-11-2003, 07:12 PM

1970 CGR 400 manual trans. - 265HP 2bbl full size/truck

found on this site:

http://www.nastyz28.com/sbchevy/spcode2.html

01-11-2003, 07:10 PM	#1
MStokes Registered User Join Date: Aug 2002 Location: Meridian, Idaho Posts: 164	Engine ID Help I need some help getting all the info on my engine. The number behind the drivers side head is 3951511. After looking at Mortec.com, I got that this is a 1970-1973 400 CID. The numbers on the front passenger side deck at the bottom of the head are 10C156025 and T0211CGR. I can't find any details on what these numbers mean. Also, on the back of the passenger side on the block are there is a "T3". Any help would be appreciated. __________________ 1972 C-10 LWB, 400/350, 2WD 1972 C-20 Custom Camper, 350/350, 4WD (Converted)

01-11-2003, 07:12 PM	#2
Southpa Registered User Join Date: May 2000 Location: Victoria, BC, Canada Posts: 2,410	1970 CGR 400 manual trans. - 265HP 2bbl full size/truck found on this site: http://www.nastyz28.com/sbchevy/spcode2.html __________________ 1970 GMC 1500 Custom Original 350/TH350 Victoria, BC, Canada You can wish in one hand and crap in the other. See which one gets filled first.

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