Thinking about changing my '51's 216 to a 235, or 261. Will both of these engines bolt right up using the existing mounts/locations from the 216, or are there some modifications/fabrication involved in the switch.
Also, is one engine better than the other as far as fit, performance, reliability, etc. Blocks the same (?)
May take on the project over the winter, just wanting to get as much info as possible before starting.
Any info would be appreciated,
Thanks,
