no. you can use A series (for diesels), B series (aluminum for petrol engines), C series (stainless versions of the B series), and the J series (new design supposed to replace the B series.
The motor has the same architecture. The same bad head design. The same bad combustion chamber. Your old points dizzy was set to 4 degrees of base timing with a maximum advance of 24 degrees for a total timing of 28.
The est dizzy will adjust up to 28 degrees.
Unless the bearings go bad from a leaking seal, the circulating pump will usually outlast the motor.
550 hours in 27 years is quite low. Average use is 50 hrs per year
Suggest you use the boat more
If the motor was running hot, you may have killed it
How hot is hot? Anything over 180 means you have an issue.
When was the last time you serviced the impeller and did a drive service?
