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Towing power for a 4 cyl Graymarine

Old Marine Engine » Gray Marine Gas Engines - 4, 6, and 8 cylinder » Towing power for a 4 cyl Graymarine « Previous Next »

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ssmucci@att.net
Member
Username: curbsidegold

Post Number: 7
Registered: 11-2004
Posted on Wednesday, November 30, 2005 - 11:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

I have the Gray 4 75 in my 15.5 foot Correct Craft. It's my first boat. While I can pull the kids tubing, the drag from the tube noticably reduces performance. My kids say there is no "thrill" factor. Is this to be expected from a 4 cyl engine? Has anyone out there had good experience pulling skiers or tubers with a 4 cyl Gray? thanks. SM
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Bruce Hall
Senior Member
Username: bruce

Post Number: 297
Registered: 07-2002
Posted on Saturday, December 03, 2005 - 09:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

The factory engine on the 14.5'Correct Craft Atom was a 4cyl 65Hp Gray. The 4-75 ought to do a good job in your boat. What's the RPM under load.Graduate the kids to water ski's to cut the drag and everyone will be more content.
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smucci@mwconnections.com
Member
Username: curbsidegold

Post Number: 8
Registered: 11-2004
Posted on Tuesday, December 06, 2005 - 10:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Moderator/Admin Only)

Under load (2-3 adults plus a tube being pulled) rpm drops to around 2200. Running full throttle with 1 or 2 adults in front cockpit will run rpms at around 3100.

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