305 in 1988 galaxy 16ft open bow

Speed1v8

Petty Officer 3rd Class
Joined
Jul 3, 2012
Messages
94
Hello everyone I'm new to forum and found lots help and still need more. I currently have the 2.5 in it but I want to swap the 305 in it. What's do I need to complete swap. I currently have the alpha one outdrive
 

Speed1v8

Petty Officer 3rd Class
Joined
Jul 3, 2012
Messages
94
Re: 305 in 1988 galaxy 16ft open bow

I know it work and need move around mounts stuff like that. About weight issue I think it be fine because when I have 2 people sitting in back runs turns smooth still. No issue
 

Bondo

Moderator
Staff member
Joined
Apr 17, 2002
Messages
70,868
Re: 305 in 1988 galaxy 16ft open bow

Hello everyone I'm new to forum and found lots help and still need more. I currently have the 2.5 in it but I want to swap the 305 in it. What's do I need to complete swap. I currently have the alpha one outdrive

Ayuh,.... All ya gotta do is replace Everything, 'tween the pulleys, 'n the prop for it to work out Right....
 

Speed1v8

Petty Officer 3rd Class
Joined
Jul 3, 2012
Messages
94
Re: 305 in 1988 galaxy 16ft open bow

Will my reAr bell housing fit the 305 from the 2.5 mercruiser cuz I read that they are the same bell housing for 2.5 to the small block Chevy. Is this corrent
 

Speed1v8

Petty Officer 3rd Class
Joined
Jul 3, 2012
Messages
94
Re: 305 in 1988 galaxy 16ft open bow

If this the case do my back mounts work with the motor I assume they should
 

QC

Supreme Mariner
Joined
Mar 22, 2005
Messages
22,783
Re: 305 in 1988 galaxy 16ft open bow

Moved to non-Repair I/O. We try and keep the boat section free of engine topics.
 
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