Nevilley Posted October 17, 2020 Share Posted October 17, 2020 Hello Guys, My name is Leroy and i'am from the Netherlands. I have a engine here on my stand, but i cannot detirmen what kind it is. the casting number on the back says : 3970010 Also near the number above: K12 also i found the id number at the front near the alternator 15Y152084k1104 Suffix : CMJ on the passenger side of the block i also found : A7. and also on passenger side other nrs but its harley to read. see the attachement. I'am from the Netherlands, and i cannot get enough info here so there fore i hope anyone can assist me to know how to detirmen what kind a engine, and if possibele where it origanly was installed. Regards Leroy Link to comment Share on other sites More sharing options...
The 55er Posted October 17, 2020 Share Posted October 17, 2020 According to the Ultimate American V-8 Engine Data Book casting number 3970010 is a 1969-1975 Chevrolet Truck 350 engine. Link to comment Share on other sites More sharing options...
JFranklin Posted October 17, 2020 Share Posted October 17, 2020 Stand farther back and take a photograph of the complete engine so we can take a guess. Link to comment Share on other sites More sharing options...
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