SoCal Jet Boats

Tech Talk => Engine Mechanical / Electrical => Topic started by: N2GLOCK on March 28, 2011, 02:50:12 PM

Title: Hardin fuel switching valve
Post by: N2GLOCK on March 28, 2011, 02:50:12 PM
Has anyone had any experience w/ this product? http://www.hardin-marine.com/c-1377-fuel-valves.aspx (http://www.hardin-marine.com/c-1377-fuel-valves.aspx) I'm thinking about installing one on my Rogers. Any feedback would be great and much appreciated.
Title: Re: Hardin fuel switching valve
Post by: ka0tyk on March 28, 2011, 05:05:56 PM
whats the advantage of these over say a ball valve to shut the tank off and the fuel pump just pulls from teh open tank? 
Title: Re: Hardin fuel switching valve
Post by: IRRebel on March 29, 2011, 12:18:31 AM
I have an electric one I really like in Moo. But then, have never ran out of fuel in any of them.............yet.............

Ray
Title: Re: Hardin fuel switching valve
Post by: MPKardell on March 29, 2011, 07:21:52 PM
I can't provide any useful feedback on the fuel selector valve.

But I'll share what I did to eliminate the "normal" fuel selector valve, and have run for more years than I'd like to admit with great success:

Install an electric pump near each tank.  Also install a canister-type filter/separator upstream of each pump to filter the crud upstream of the pumps.  Install a check valve on the outlet of each pump, and tee the outlets of the check valves together (and then on to the carb).  Put a "last-chance" filter at the inlet to the carb.  Use a two position switch to switch operation between the pumps.  I did this through a relay located on the transom, to keep the wire gage from the dash to the pumps at a reasonable size.  Don't forget fuses for each pump, also at the transom.  The check valves prevent fuel cross-over from one tank to the other.  And if you fail one pump, you still have another to limp home (assuming you have enough gas in the tank on the working fuel pump  ;D).  So it's also a measure of reassurance when you're 20 miles down the lake/river, and the sun is starting to go down, and there's not another boat in sight.....

Something else I added later was a normally open microswitch on the secondary lever on the carb.  When the secondaries open, this switch closes and actuates a separate relay, which energizes both pumps.  It helps keep the tanks at about the same level during heavy throttle application, since the wife doesn't keep track of stuff like that when she's pulling me behind the boat......

Just an idea for ya.

Matt
Title: Re: Hardin fuel switching valve
Post by: N2GLOCK on March 31, 2011, 02:38:58 PM
Ordered the valve a couple of days ago and waiting for it to arrive. Hopefully once it gets here I'll be able to figure how whereto install it as I don't wanna pay a restocking fee. I'm just looking for something that is simple to install and looks clean.
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