engine block id - The 1947 - Present Chevrolet & GMC Truck Message Board Network

Rhino · 05-09-2003, 09:47 PM

i can't find the engine block id stamp anywhere near either head....is there any were else it could be...i do know that it is supposed to be a gm rebuilt motor

Hutch · 05-09-2003, 11:02 PM

Try this link:
It explains the various locations.
The main number to look for is located at the rear of the motor on the passenger side to the near the distributor. close to where the block bolts up to the transmission bellhousing.

Mortec sbc block # locations

Let us know what you come up with
Have fun

Longhorn Man · 05-10-2003, 12:16 AM

The numbers by the passenger side head may have been milled off when the engine was rebuilt.

chevy69er · 05-10-2003, 01:31 AM

The stamped number could have been milled off if it was decked but there is a number cast into the block on the driver side close to the where the motor bolts to the tranny.

Ed ke6bnl · 05-10-2003, 10:36 AM

Try this site it is the best I found for the information

http://www.mortec.com/castnum.htm

http://www.yearone.com/updatedsingle...gineinfo2.html

Ed ke6bnl SoCalif.

05-09-2003, 09:47 PM	#1
Rhino Registered User Join Date: Mar 2002 Location: carthage, tx Posts: 108	engine block id i can't find the engine block id stamp anywhere near either head....is there any were else it could be...i do know that it is supposed to be a gm rebuilt motor __________________ 1968 C20 long bed http://home.earthlink.net/~yup00

05-09-2003, 11:02 PM	#2
Hutch Registered User Join Date: Oct 2001 Location: Grapevine, Tx. Posts: 2,142	Try this link: It explains the various locations. The main number to look for is located at the rear of the motor on the passenger side to the near the distributor. close to where the block bolts up to the transmission bellhousing. Mortec sbc block # locations Let us know what you come up with Have fun __________________ John Hutchison Grapevine,Texas 68 1/2 t swb 68 Mustang 69 Jaguar 71 1/2 t swb 88 Supra CompTs6m 93 Escort GT 2005 Corolla XRS

05-10-2003, 01:31 AM	#4
chevy69er Registered User Join Date: Feb 2003 Location: Lakewood,Ca Posts: 69	ID Casting The stamped number could have been milled off if it was decked but there is a number cast into the block on the driver side close to the where the motor bolts to the tranny. __________________ 1969 C-20,383 stroker,sm465,custom long travel front suspension,4 wheel disc brakes,35" pro comps...mods under way include: 4x4 conversion,and custom bumpers.future mods include: gear vendors od unit,and relocation of fuel cell.

05-10-2003, 10:36 AM	#5
Ed ke6bnl Registered User Join Date: Mar 2002 Location: Agua Dulce, Ca. usa Posts: 179	Try this site it is the best I found for the information http://www.mortec.com/castnum.htm http://www.yearone.com/updatedsingle...gineinfo2.html Ed ke6bnl SoCalif. __________________ Ed ke6bnl Agua Dulce 70 S.E. Los Angeles 70 Chevy short bed 1948 F3 ford pu 1949 F1 stock V8 flathead 3 on floor 1950 F1 pu street rod 1948 F6 Ford Dually/350sbc no bed stock trans&rear 1972 El Camino 4" chop 1953 Chevy 3100 2b daily driver 1970 SB 4X4 400ci 6in lift

05-10-2003, 12:16 AM	#3
Longhorn Man its all about the +6 inches Join Date: Jan 2001 Location: Hilliard Ohio Posts: 2,693	The numbers by the passenger side head may have been milled off when the engine was rebuilt.



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