Will the lower unit off a 3.0 liter, bolt up to 3.7 liter?
R Roy T. Recruit Joined Jul 28, 2010 Messages 1 Jul 28, 2010 #1 Will the lower unit off a 3.0 liter, bolt up to 3.7 liter?
Bondo Moderator Staff member Joined Apr 17, 2002 Messages 71,159 Jul 28, 2010 #2 Re: 3.7 liter mercruiser inboard motor Ayuh,.... Welcome Aboard,..... Yes, up to 1991...
nola mike Vice Admiral Joined Apr 22, 2009 Messages 5,493 Jul 29, 2010 #3 Re: 3.7 liter mercruiser inboard motor Roy T. said: Will the lower unit off a 3.0 liter, bolt up to 3.7 liter? Click to expand... it'll be the wrong gear ratio though. 1.98 on the 3.0, 1.84 on the 3.7. i was able to up prop 2" to compensate doing the same swap.
Re: 3.7 liter mercruiser inboard motor Roy T. said: Will the lower unit off a 3.0 liter, bolt up to 3.7 liter? Click to expand... it'll be the wrong gear ratio though. 1.98 on the 3.0, 1.84 on the 3.7. i was able to up prop 2" to compensate doing the same swap.
