Probabaly either 285, or 300. The high performance 327 was dead in 68, as they had turned their attention to the 350 by then.
A small or big block Chevy have a casting number on the top of the block behind the driver side head. MorTec has Chevy casting numbers listed online.
What Chevy engine block has the castin I mean casting number 397004
That casting number belongs to a 1971 Impala. It is a 400 small block chevy. These can be pretty good motors.
250 hp
that would be the casting number of a Chevy 350
chevy 350
That would be the first year 348 engine, 1958. The 3732811 block was used only for that model year. It came in passenger cars and was available with 250, 280 or 315 HP.
185, to 200.
Only the casting 80 Kilogramms
300.
285.
This is the block casting number for a Chevy 305, build between 1976 and 1979.