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  Tips on fuel filter/water sep. install. location

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Author Topic:   Tips on fuel filter/water sep. install. location
Alan Hiccock posted 03-02-2002 05:25 PM ET (US)   Profile for Alan Hiccock   Send Email to Alan Hiccock  
Boats an '88 15 Sport. 70 yamaha

Today I picked up a Raycor fuel filter water seperating unit { the one with the clear plastic bowl & petcock }.
Any tips on where tolcate this thing on this boat? Someone once told me to keep it out of the sun due to possible vapor lock, but dont think thats possible with this skiff.
Thanks Capts. for any help.
Alan

David Ratusnik posted 03-02-2002 07:43 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
Under the gunwale, toward the stern, starboard side. Forget the sun. David
Alan Hiccock posted 03-02-2002 10:09 PM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
Hmmm, maybe a good idea. Either there or on the transom well wall { or whatever you call it} I guess the trick is to keep it out of the way of the batt. & gastank
Im not looking foward to drilling into the transom wall. Hmmmm wait a min. I should go check that wood diagram. Do I even need to worry about bedding these screws into wood with these things? thanks david for the comeback by the way,
Alan
Alan Hiccock posted 03-02-2002 10:14 PM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
I just came from the wood diagram & see the wood is located where david recommended I screw this thing on. Ok glad I ask. man this site has been a great help,
Alan
David Ratusnik posted 03-02-2002 11:29 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
Alan- Don't drill anything yet. Wait,wait until certain owners of 15' Whalers advise you. Collect a couple other opinions. David
Tom W Clark posted 03-02-2002 11:36 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Alan,

I don't think you really need a filter/seperator. It may help the motor some day but otherwise it will be in the way and look poor. There isn't a lot of space in a 15 for clutter, and there is no UNDER the gunwale in a 15'. The seperator is going to be sitting out in the open no matter where you put it.

Now if you do go ahead and mount it I wouldn't worry about wood backing too much, but do worry about using as big a diameter sheet metal screws as possible (maximize the surface area of the threads). And do use a sealant to bed the screws with.

Alan Hiccock posted 03-03-2002 11:26 AM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
Thanks for chiming in Tom...
I already bought the unit and really believe that in a case like mine when the boats docked theyre important, I'll be gassing up at marinas as well. I agree with you the less drilling the better but think with one of these things it's worth it. Back there inside gunnel up against the stern theres a piece of wood embedded by BW that will keep it out of the way although MAYBE I'll need a longer gas line. Good tip on the screws as thie mounting head has pretty big holes.
I also picked up a Yamaha hour meter yesterday so I'll be drilling into the mahogany too, not really looking foward to that either.
alan.
David Ratusnik posted 03-03-2002 07:38 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
Alan- You may want to place a piece of starboard on top of the wood piece before you attach the filter base. I've done this with my 22'OR. It makes sense to me to filter the gas (especially if you stumble into junk gas) before it gets to your engine. Good Luck. David
Alan Hiccock posted 03-03-2002 08:31 PM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
David,
Thanks for the reply. I went outside today with the whole thing screwed together to see wheres best to place this thang & I think I should've gotten one without the plastic bowl & petcock because it's too long. I can place it on the inside of transom, on the mahogany on gunnel, or on top of bildge on outer transom { inner?} but each one of those locations offer problems. I need the room on the bottom to open the valve & remove the filter. I think im going to try to reshrink wrap the element & bring it back for the smaller one without the plastic bowl, I see what you mean about these filters not really suited for the 15 Sport s, not the big Racor anyways..
Alan
Dick posted 03-03-2002 09:05 PM ET (US)     Profile for Dick  Send Email to Dick     
Forget about the Racor (as good as they are). Either buy the Mercury unit or the Sierra version of the same thing. They are short enough to fit and the replacement elements are much cheaper. Do not buy an OMC unit, there is nothing wrong with it but replacement elements can be hard to find.
Bigshot posted 03-04-2002 10:09 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Guys and gals.....with portable tanks(anything not under the deck) I find fuel/water seperators are useless. The reason tanks get water in them is the tank is in the cold water with a hot sun on top, it sweats and builds condensation. Tanks sitting on the deck don't. I have been driving Whalers etc for a long time and never had a problem. Other boats with built i tanks...yes.

If you are worried about Marina gas with water in it, carry a couple cans of dry gas.

Scrap the raycor and any other and put a nice inline filter instead(glass ones that you change filters in. Buy them at Pepboys etc. same thing and 1/2 the price.

Alan Hiccock posted 03-04-2002 04:35 PM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
Ahh Bigshot now you tell me!
I just finished the job today , installed it right over the bildge. Its a racor unit & is really too big for this boat but I have it now and will go smaller next season. It's pretty cool the petcock drains right into the bildge, I just missed the wood I think but used big screws & 5200 also. The trick is to place filter inbetween the fuel tank & primer bulb which i did.
I'll be docking the boat, water can find it way in there but I gas up at all different marinas, there has been problems with water in gas from a couple/few local places in the past. Matter O fact I once "hydrolocked" my chris Craft IO after getting bad gas, it bent a rod because I cranked it over with water in the head. Water dont compress like air baby! Shouldve removed the plugs & cranked the ignition shoot it out.
I believe in these things, also took apart a carb on friends 1 season old mercruiser sm. block, wouldnt believe the crap in there.
It looks good though the filter ., where I put it allthough a smaller one even better.
Alan
David Ratusnik posted 03-04-2002 04:57 PM ET (US)     Profile for David Ratusnik  Send Email to David Ratusnik     
Alan- Good job. You feel better. Job well done. David
Bigshot posted 03-04-2002 05:02 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Alan I hear ya. I have a merc setup sitting in my garage for about 6 years now. I keep saying I will use it on my boat but have never had a water problem. Almost bought a Racor on E-Bay because it was cheap and then said "wakeup".

If your area calls for it...give it a shot. You'll find out soon whether or not you are getting water in your gas. As far as hydrolocking...can't happen from bad fuel. Even if you poured water down the carb, it would just stall. Old trick to decarbonizing an engine is to pour a pint or so of water down the carb while juicing the gas. Would blow out all kinds of steam and junk but would not harm anything.

Bigshot posted 03-04-2002 05:06 PM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Let me reiterate also that this is my experience and opinion on this matter. If you have a built in tank....I STRONGLY recommend a water seperator.

The only time I ever got water in an above deck tank was about 7 years ago my 15' had a bad seal around the guage and when it rained.....it poured. Took about a month to figure that one out.

Built in tanks will sweat big time and therefore...use one. I see Merc puts them on some of their outboards but I would still use a remote as well.

Alan Hiccock posted 03-04-2002 05:42 PM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
David, thanks.. I do feel better, simple enough little job but done right & cheap insurence for the Whaler.
Bigshot,
I dont know if you know I ment by "hydrolocking", some people call it another name.
I just gassed up at a marina close to where I was flukefishing early last season with my Chris Craft i/o. I setup for a drift shut off the engine as I was pulling the throttle in neutral {engine was still in gear, long story cobra I/O had shifting issues, I cut off in gear sometimes, no load easily went into n}}. The engine "dieseled" . I went to restart and the engine seemed seized or locked up. I was drifting into somewhat of a dangerous situation and cranked it couple more times, she finally turned over but @ the expense of a bent rod. It took a drink through the exhaust {prop hub} into the heads then I compressed the water by cranking the engine 3 times till something gave. It was kind of an unfortunate serious of mistakes, but thats Hydrolocking . Bad gas can cause a boat to diesal and stall while in gear sucking water into the heads as the prop turns backwards for a turn or so hence sucking some into the head. The deal is if this happens DONT CRANK THE STARTER, all you have to do id remove all the sparkplugs then crank the starter , all the water shoots out.. replace the plugs and no damage will be done, your off fishing as if nothing happened.
Its a common way new boats/motors get trashed & blown basically pulling away from the gas dock after getting bad gas.
Expensive lessons to be learned in this game.
Alan
sorry for the long post
Bigshot posted 03-05-2002 10:22 AM ET (US)     Profile for Bigshot  Send Email to Bigshot     
Dieseling is the way to junkyard heaven. I thought you meant the gas had so much water in it it filled your cyl. that's why I said impossible. Dieseling is common if you run low octane gas or have carbon builup.
Alan Hiccock posted 03-05-2002 03:01 PM ET (US)     Profile for Alan Hiccock  Send Email to Alan Hiccock     
Junkyard heaven is the truth. Car diesel's
most likely no damage, get higher octane gas maybe some techtron and take it from there. boat diesels, stalls while engine is in gear, you most likely took a drink through the exhaust and must purge it befor cranking.
I think it happens mostly to i/O's { hydrolocking}dont mean to come across like some "pro know it all" but this happened to me last season, I was dumb enough not to figure out what happened before I cranked the starter, it's all a lesson baby!!!
Thanks,
Alan

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