djhogan85
Probationary User
Looking for an XS-2003 and wondering about new power. Looks like all the new Mercs are 4.6 and 505#. What are opinions on that in light of Allison's 3.0 and 440# warnings?
Interesting fuel line routing. What regulator is that?? I am assuming black hose is return.Lots of 2.5 stuff out there still . I have a 1991 grandsport xs-2003 . Mercury still produces new 2.5 225 promax blocks so you can build yourself a new motor ! View attachment 13283
I personally wouldn’t be concerned with any engine in the low 500lbs. My xb2003 with a 3 liter is more forgiving than with the 2.5L IMO. I can completely let out the throttle @ 105mph @ 1” above with a non-ratcheting gear case and "I assume” the weight of the 3.2 keeps the bow from slamming and hooking like with the liter 2.5, the boat lays down beautifully. I’ve run the 03s a long time with different 2.5s, so this is my first 3liter on an Allison. I’m still testing and learning but so far I’m very happy, and love the extra torque!Looking for an XS-2003 and wondering about new power. Looks like all the new Mercs are 4.6 and 505#. What are opinions on that in light of Allison's 3.0 and 440# warnings?