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West Point
The Library
1994-1997 OBS Series General
OBS Electric Fuel System
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[QUOTE="Tom S, post: 362781, member: 623"] I bought a couple of tools for making those AN flares for the stainless tube and also for bending the lines. The tube bender is an Imperial 464-FH-04 and the flare tool is a Ridgid 377 37 degree AN JIC flare tool. These are both awesome tools. Thanks for the suggestions Dennis@ITP [IMG]http://powerstrokenation.com/photopost/data/506/medium/DSC02477.JPG[/IMG] I wanted to make the electrical portion as clean and factory looking as possible. I got a couple of extra fuse boxes out of some wrecked police cars at the junk yard. I disassembled them and learned how to take the fuse box apart damage free. I then used the connectors from the junk boxes to add to my factory fuse box so that I had a spot for an extra relay and an extra fuse. The end result is that everything looks 100% factory with no odd wiring running around. [IMG]http://powerstrokenation.com/photopost/data/506/medium/DSCN0640.JPG[/IMG] For safety I wanted a way to cut the power to the fuel pump in the case of an accident. I used a inertia switch from First Technology who also makes many of the switches of this type used in a wide variety of vehicles. I installed the switch so that it is on the ground leg of the fuel pump relay. Another method of doing this is to use an oil pressure switch which others have done. The advantage of that would be that the pump does not run anytime the key is on like when you have a scan tool connected. I chose this route as I liked the idea of having full fuel pressure at the injectors upon start up. [IMG]http://powerstrokenation.com/photopost/data/506/medium/DSCN0576.JPG[/IMG] [IMG]http://powerstrokenation.com/photopost/data/506/medium/DSCN0642.JPG[/IMG] I also have a filter minder for the suction side of the system to replace the marshal restriction gauge. This came from Engineered Products Co and works just like the ones on your air filter except it is made for fuel filters. [url]http://www.filterminder.com/fuelstraight.asp[/url] [IMG]http://powerstrokenation.com/photopost/data/506/medium/DSCN0996.JPG[/IMG] Thus far I have been happy with the system. The truck runs better and has a little more zip which also showed up at the track. The Hobbs switch is set to trip if the system pressure drops below 45psi and that has never happened. The cleaned up valley is also very nice. I may at some point make rock shield for the filters but thus far I have had no problems as they are pretty protected by the transfer case and the skid plate. The other modification that I am considering is to add a fuel cooler to the system. I have not made up my mind on that just yet and want to collect some more data on the temps in hot weather with a low fuel level. Tom [/QUOTE]
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West Point
The Library
1994-1997 OBS Series General
OBS Electric Fuel System
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