Need some raw water hose opinions |
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jbaisden
Newbie Joined: July-13-2013 Location: Indian Springs,Alabama Status: Offline Points: 14 |
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Posted: June-10-2015 at 9:58pm |
Ok so long story short my Sherwood water pump needed a rebuild so for less than the price of the rebuild kit I just bought a new Johnson F6B-9 pump. I figured that extra flow couldn't hurt. Now this pump has 1 1/4 " inlets on it. All my old hose is 1". I need to replace all of my water hose anyway so I was wondering if y'all think I should change it all to 1 1/4" or just keep it 1" and use adapters to get it attached at the RW pump. The brass fitting are easy enough to come by but my thermostat housing is cast iron so I'm not sure what to do about that to change it over. Also should I change out the thru hull pick up fitting or do you think just threading that with an adapter would be sufficient?
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a0128
Senior Member Joined: May-05-2014 Location: Oregon Status: Offline Points: 226 |
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Adding adapters will introduce another point where air can get in and cause temperature irregularities. I'd rebuild the Sherwood pump and return the Johnson.
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Jonny Quest
Grand Poobah Joined: August-20-2013 Location: Utah--via Texas Status: Offline Points: 2958 |
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As long as fittings and clamps were tight, I don't see why adapters wouldn't work. How much work is it to get the pump to fit? Does it bolt right up?
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2003 Ski Nautique 206 Limited Previous 2001 Ski Nautique Open Bow 1994 Ski Nautique Open Bow Aqua skiing, ergo sum |
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TRBenj
Grand Poobah Joined: June-29-2005 Location: NWCT Status: Offline Points: 21171 |
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jbaisden
Newbie Joined: July-13-2013 Location: Indian Springs,Alabama Status: Offline Points: 14 |
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Yes, Jonny Quest, It's bolts right to the crankshaft pulley. I welded up my own anti rotation bracket (just cause I already had the metal to do it) but you can buy the bracket as well. It does away with having an extra belt and is a little easier to change impellers. You don't have to remove the pump to change them. Just open the front cover.
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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I bought a Sherwood rebuild kit for under 80.00. By the time you bought the pump,hoses,fittings,your time and all the lost water time you would have been ahead.
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75 Tique
Grand Poobah Joined: August-12-2004 Location: Seven Lakes, NC Status: Offline Points: 6127 |
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Oh pish posh, if you can run a screw driver or a socket wrench, you can tighten the fittings. I put a crank mount Johnson on mine when Depco told me rebuild components were no longer available for my old OMC pump. Happy with the choice. I went into the back room of an auto parts store and searched random cooling system hoses till I found two with the diameter and bends that hooked up to the downward pointing inlet/outlet of the pump and then bent back under the engine and joined them up to the existing hoses. The brackets that are available with those pumps point the inlet/outlet to port, but that would have been a major replumb so I did a bracket too, that points them down. |
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Gary S
Grand Poobah Joined: November-30-2006 Location: Illinois Status: Offline Points: 14096 |
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Makes sense on obsolete pumps Larry but in this case why try to reinvent the wheel when parts are readily available and cheap. Driving to the parts store and going thru the hoses takes longer than rebuilding a Sherwood pump
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a0128
Senior Member Joined: May-05-2014 Location: Oregon Status: Offline Points: 226 |
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You know - in the time it has taken to debate this the OP could have had his Sherwood rebuilt already.
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Mountain Man
Senior Member Joined: May-09-2014 Location: Brevard, NC Status: Offline Points: 124 |
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The transmission cooler may also be complicating factor on the complete hose change to 1 1/4" hose. Most have 1" hose barb's for our applications.
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Yup, plus every time I go over to Napa, I end up buying something I really don't need!!! |
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gun-driver
Grand Poobah Joined: July-18-2008 Location: Pittsburgh, Pa Status: Offline Points: 4127 |
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Pete there is no such thing As something you don't need at NAPA. Just some things you don't need right now
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jbaisden
Newbie Joined: July-13-2013 Location: Indian Springs,Alabama Status: Offline Points: 14 |
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You guys crack me up. The question of which pump to use I had already decided, purchased and fabricated a bracket for. I like the fact that it's mounted on the crank. Now I have room on the motor to add a compressor and have air conditioning. If you can tell by my profile pic I'm not to concerned about keeping this boat all original. I had thought about the cooler Mountain Man. When I get around to upgrading the transmission I'll get one of the longer 12" coolers. I'm pretty sure they have 1 1/4" inlets. I think I'll just step it up at the pump for now just to keep it simple. I'll rebuild the Sherwood so I can sell to help pay for a new transmission.
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