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Thread: Optimax external fuel filter?
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06-24-2010, 11:17 AM #15000 RPM
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Optimax external fuel filter?
Do you guys recommend running external fuel filters on Optimax engines? The boat is a 1992 Hydrodyne twin rig, set up for show skiing, with 200 HP engines.
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06-24-2010, 03:29 PM #2
I run one on mine simply cause there was on there when I purchased the boat.Ive heard not to run a second one,but never heard a reson why for sure.Mine seems to work great.
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06-24-2010, 04:02 PM #3Screaming And Flying!
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Officially merc says not to use a pre filter on the optis. But..... Since two of my boats are charter boats and run thru a lot of fuel I feel it's better to stop any water or trash before it gets to the motor mounted filter. The reason merc says this is because some filters can cause a fuel restriction problem and trash the motor due to fuel starvation..To help prevent this, I have removed the restrictive siphon valve on my fuel tank and use a 3/8" fuel line, 3/8" fittings and primer bulb. The filter I use is a racor water separator with a clear bowl. 10 micron element. I have not had any problems but my work boats do not see much time at full throttle. On my go fast boat I dont use a second filter. It spends a lot of time at full throttle. And I feel it needs all the fuel it can get.....
83 V-King, 96 Mariner, 200 hp ff block 2.5 w/a 28p choppa
We gotta clean this liberal mess up, VOTE TRUMP TO MAGA!
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06-24-2010, 09:58 PM #45000 RPM
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Thanks for the replies. A little more details. the engines are running 17P Mirage propellers, so obviously, the boat is not set up for top speed, it will only do about 50 or so. But 0 to 50 can be really quick, and once there, you cannot hold wide open throttle.
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06-25-2010, 09:01 AM #55000 RPM
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Whaler didn't bother with a second filter on the Opti equipped center console. So far so good. That Hydrodyne sounds like a water tractor. I need twins.
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06-25-2010, 10:00 AM #65000 RPM
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The Hydrodyne is a water tractor. Like I said, We use the Hydrodyne for show skiing.
It is not our team, but to get a idea of what show skiing is about, go to Youtube, and enter "awesome water ski stunt" in the search bar.