The one I have with that block number (4097080) came from a Hyster forklift. Not sure, but believe it is the 188cid (not the 153cid).
Chevy carte motor casting number 10066036 how much power it puting out
1969
motor #3978010
what does the casting number GM 3892657 say about this engine block
i just bought similiar engine with that casting was told it was 91. mine was out of a van
The number 4 cylinder is typically at the back of the motor while the number 1 cylinder is located at the front. This is done to minimize confusion and streamline the repair process.
402 Chevrolet
330 hp,
try mortec.com
On the drivers side of the engine in back of the cylinder head there are casting numbers and next to the casting numbers are raised letters either 5.7 or 5.0.
Looking at the motor compartment from the front of the truck, the number one cylinder is the first on the left (passenger side)of the motor.
passenger side rear of the motor