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Old 08-07-2011, 20:43   #16
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Location: Tamworth, Australia
Boat: Buizen 48 - Equinox
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Re: fuel line vacuum guage

Griffin is identical to Racor and include a stainless fittings option. Filters are interchangable and they are more reasonably priced. US Toll free 1800-485-5071. Located Elgin, Tx.

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Old 09-07-2011, 09:56   #17
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Re: fuel line vacuum guage

Originally Posted by Waterwayguy View Post
There were some Racor gages that were not compatible with some of the older 500 filters. The gages never registered because of the fitting, but Racor never told anyone. Chuck
Yep, that's what they were! Early 90's...too much money...putting everything I could think of on the boat... too much time to think of new things I "Had" to have to cruise...

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Old 09-07-2011, 11:02   #18
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Boat: Prior boats: Transpac 49; DeFever 54
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Re: fuel line vacuum guage

Good info here... I installed them on both the mains, gen sets and fuel transfer pumps of a boat I used to drive. After scrubbing fuel and filter changes, just put a marker pen dot where the natural vacuum was on all the gauges and if there was a deviation, started trouble shooting. Regular filter changes avoid most problems but it was good to keep an eye on during engine room checks. Capt Phil
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Old 01-02-2012, 02:54   #19
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Location: Puteri Harbour Marina, Johor Bahru, Malaysia
Boat: Shin Fa 458 Custom Cutter but looks like a Liberty 458
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Re: Fuel Line Vacuum Guage

I installed a fuel line pressure gauge a while ago but I'm not sure what the different pressures mean. Some times it reads just above 0 and other times it reads between 3 & 4 pounds of pressure. I spliced in a tube for the gauge after the primary filter and before it reaches the fuel pump mounted on the engine. I drilled a hole in the wall of my engine room and mounted it there so I could easily see what my pressure was versus sticking my head in the engine room. Easier viewing means I'll look at it more often.
Anyone have any idea what my pressure should read? I'm running a Ford Lehman 80hp on my boat.

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