What motor do I have

[nosnownogo]

I have a mercusier serial num

I have a mercusier serial number 2770087 120. But it has 3.0 liter pistons in it... can a 2.5 be bored to 3.0 liter?? Can someone help please?

 

[bondo]

"[b]"can a 2.5 be bored to

""can a 2.5 be bored to 3.0 liter?? "

Nope,... But they are dimensionally the Same on the Outside of the block...
You have a 3.0l in 2.5l Dressings..."

 

[nosnownogo]

So carb is the difference? I

So carb is the difference? I diden't know merc made a 3.0L 120hp. Would the timing be 6 degres?