'72 GMC LongStepper

[SteveB]

Hello All,

Just bought a '72 GMC LongStepper in good condition. Came from factory with 307/2bbl now has 3970010 in it but need just a little help as this "could" be a 327 but prolly not. It has the metal stamped tag on PS in front that has the following: K0118TDM & under that is: T94511540. Old and confused and can not decipher. Any help would be greatly appreciated.

 

[Dan Almashy]

According to the codes looks like it''s a 350 engine from a plant in Ontario. built in Jan 18, in 1980 from the TDM code which translates this>
TDM 1980 350 conv, cab, m/t L LS9 155 4 C-20 & 2500. I hope that helps. The web site page I found it on is http://johnscabin.com/tuff/Engine-codes/Chevy-Engine-Codes.htm