andablo1
New Member
Hello Im trying to find out what engine my 71 c10 has now. I know its not the original engone bc its not chevy orange its a blue engine block. I did a little research but I didnt understand any of it. These are the numbers off my engine Id like to know whare year date this engine is from and how much horse power it has.
GM block #s
Casting Number 3970010
Clock dot on D? Away from v and t
Engine Code location VO228TBD
Flint engine Feb 28
Code Year CID HP BBL Appl
TBD 1970 350 4 convfwd cab, m/t
TBD 1971 350 255 4 conv. & fwd cabs
TBD 1979 350 165 4 conv. Cab,, m/t, fed
Partial vin T9S517763
Years 69-79
CID 302/350
Car & Truck 2 & 4-Bolt Most common
GM block #s
Casting Number 3970010
Clock dot on D? Away from v and t
Engine Code location VO228TBD
Flint engine Feb 28
Code Year CID HP BBL Appl
TBD 1970 350 4 convfwd cab, m/t
TBD 1971 350 255 4 conv. & fwd cabs
TBD 1979 350 165 4 conv. Cab,, m/t, fed
Partial vin T9S517763
Years 69-79
CID 302/350
Car & Truck 2 & 4-Bolt Most common