I just put my 7.3 IDI into my new truck and I'd like to be able to prime the fuel lines without draining my batteries and having to keep charging them.
As long as the fuel delivery and return systems are intact, there is no reason to prime. My truck can sit for 2 weeks and still start within 2 seconds.
As for bypassing the clutch switch, you just have to jumper the wires, I don't have a clutch so I'm not sure which ones. LMJD know I think.
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1994 F-350 7.3 IDI Turbo, crew cab, E4OD,4:10 L/S, LB, Dually Photos
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The switch on the clutch pedal. Just unplug and make a spaded jumper.
There's more to it than that. Most have cruise control and there'll be two speed control cutout wires at the switch too. Can't recall the color codes but what's what can be determined with a test light.
Looks like Phil and I posted at the same time. Great minds think alike.
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Heavy truck and diesel mechanic (thankfully retired after 30+ yrs)
'91 F-250 SC 4X4, 5spd. ATS Turbo, 3:55 diff.
Its a 1997 F350 that had a 460 with an auto tranny, so I took the 1992 7.3 IDI and ZF5 out of my wreaked truck and just in the process of buttoning everything up on it
So are you only trying to prime for that initial start after installing the 7.3?
Or are you worried about losing prime routinely?
Interested to hear how your project works out.
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Rob
94 Ford F350 7.3 idi Turbo
Long Box, Crew Cab, 4x4
"Texas Truck"
This is my sons truck!!
My first thought would be to install the FF topped off with fuel, then crack the injector lines to bleed the air. Cracking the lines is what I did a couple times while getting the feel of where my tank pick-ups bottomed out.
So are you only trying to prime for that initial start after installing the 7.3?
Or are you worried about losing prime routinely?
Interested to hear how your project works out.
Yea just the initial prime. I was thinkin today cause I just put the fuel sending unit in the old gas tank and it doesnt look like it sits how the fuel tank does on the diesel so it might not have been picking up the little bit of fuel I had in there either.
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