Repowering from 4 cyl to 5.7L

O

octowood

Recruit
Joined
May 24, 2011
Messages
3
I have a 23' Monark Aluminum boat with pilothouse. It currently has twin aq171 engines that I am removing and would like to know how I can measure transom to see if 5.7 L
engines will fit. What is center to center measurement for installing the 5.7 L engines.
I will be using existing vp 290 outdrives yet changing lower units.
Thanks

Sam Middleton
 
Don S

Don S

Honorary Moderator Emeritus
Joined
Aug 31, 2004
Messages
62,321
Re: Repowering from 4 cyl to 5.7L

Recommended spacing ranges from 34.25" to 35.4" on engines from the mid 90 to now depending on accessories on the engines.
 
CheapboatKev

CheapboatKev

Vice Admiral
Joined
Oct 4, 2008
Messages
5,813
Re: Repowering from 4 cyl to 5.7L

Start a thread with pics..Love to see this big tin tub!

please.............
 
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