Engine update

[Robert Waalker]

I own a 1976 evinrude engine with a 1983 power tilt & trim unit, Can I use a 1985 and up powerhead, with my 1976 lower unit, I understand it has a 20" small shaft

 

[flyingscott]

85 and below would be the easiest and nothing newer than 87.

 

[racerone]

Model # is ???