R Rleis New Member Joined Nov 30, 2022 Messages 1 Karma 0 Car 1961 corvette Nov 30, 2022 #1 The engine in my corvette has the last 4 casting numbers 9817. I don't know if it's a 283 or 327, is there another way to identify the displacement, without pulling the heads?
The engine in my corvette has the last 4 casting numbers 9817. I don't know if it's a 283 or 327, is there another way to identify the displacement, without pulling the heads?
63Half-ton461 Moderator Staff member Joined Nov 18, 2019 Messages 150 Karma 27 Car 1978 Monte Carlo 383 slammed Dec 16, 2022 #2 The harmonic balancer on a 283 is just a flange (pulley mount) where on the 327 it is a small damper. If the motor original to the car u could check the build sheet , RPO numbers ....
The harmonic balancer on a 283 is just a flange (pulley mount) where on the 327 it is a small damper. If the motor original to the car u could check the build sheet , RPO numbers ....