2.5 to 3.0 mercruiser swap.

xltier

Chief Petty Officer
Joined
May 20, 2004
Messages
636
the 2.5 is junk and a guy on craigslist has a 3.0 motor.will these motors swap ok.will the 2.5 manifolds fit the 3.0 etc.
 

achris

More fish than mountain goat
Joined
May 19, 2004
Messages
27,468
Need more information on both engines. For example, what years are they?
 

xltier

Chief Petty Officer
Joined
May 20, 2004
Messages
636
the 2.5 is a 1984 and the 3.0 is a 1986.at least that's what they were in.
 

Scott Danforth

Grumpy Vintage Moderator still playing with boats
Staff member
Joined
Jul 23, 2011
Messages
50,430
the major change is 1990/1991 when they went from 2-piece rear main seal to 1-piece.

so your good
pull drive
pull motor
install new motor
align motor
install drive
go boating.
 

xltier

Chief Petty Officer
Joined
May 20, 2004
Messages
636
thanks,I was worring about different flywheels and exhaust maifold
 
Top