Will a 155 HP commercial V6 lower work with a V4 powerhead?

wired247

Lieutenant Commander
Joined
Oct 8, 2011
Messages
1,557
I'm looking at changing lowers to get the 15 spline lower shaft and I can get a good deal on a 155HP lower. will it work with a crossflow V4?
 

stylesabu

Master Chief Petty Officer
Joined
Aug 2, 2009
Messages
849
Re: Will a 155 HP commercial V6 lower work with a V4 powerhead?

Stern Drive & Mercury, Johnson, Evinrude, Force, Chrysler, Tohatsu, Nissan, Ya. according to this site no i used them last year to replace my lower unit very good site
 

stylesabu

Master Chief Petty Officer
Joined
Aug 2, 2009
Messages
849
Re: Will a 155 HP commercial V6 lower work with a V4 powerhead?

maxrules.com is the correct site
 

wired247

Lieutenant Commander
Joined
Oct 8, 2011
Messages
1,557
Re: Will a 155 HP commercial V6 lower work with a V4 powerhead?

I couldnt find it on there. Do you have a link?
 

emdsapmgr

Supreme Mariner
Joined
Dec 9, 2005
Messages
11,551
Re: Will a 155 HP commercial V6 lower work with a V4 powerhead?

Before you jump into this purchase, you need to do some homework. Most commercial engine lower units have significantly different gear ratios than the normal consumer lower units.They are made to push heavy loads, so they may have odd gear ratios and their size can vary. If you do get it to fit, you may be unhappy with how it performs. You'll likely get into really odd prop pitches in order to make it run somewhat normally.
 
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