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    Anyone have any Sterling 10.25/10.5 Build Experience?

    I have a 1990 F350 with a Sterling 10.25. I'm going from 4.11, open carrier to 3.55, Ford traction lok. I have all new Timken bearings, 3.55 gears are a new Ford set, which has the longer splined pinion. So, the gears and trac Lock carrier would normally be from a Ford truck (02? and...
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    How Much Are You Towing with Your 1st Gen

    I have a 1990 5.9 Cummins swapped in a 1990 F350, Getrag and 4.11 rear. which I've towed all kinds of stuff. Just lately I towed about a 14,000lb fifth wheel RV and it really made the old 12V work. Really felt underpowered. It is all stock and great condition as far as I know, just changed...
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    Water Bypass Connections

    I swapped in a 12V Cummins in a 90 F350 Ford truck. I've ran it for years, I'm doing some maintenance, etc. I have a dumb question about some water coolant hose connections. I don't remember why I did this, but I put a hose as bypass or plug some water connections. I'm planning to remove...
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    How long to start after IP Replaced

    I was having trouble with my injector pump so I try one a guy I know let me borrow until I can decide whether to get one rebuilt or not. Anyways, he said it came off a running truck, been sitting on a shelf for a few months. Anyways, put it on and it sure seems like its taking a long time to...
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    Injector Pump Heat Soak or GP Controller?

    1990 7.3 starts normal when cold. Lately its been hard when hot, like when its been parked for about 20 mins when hot. I've read online about this being a sign of worn IP and some suggested pouring a little cool water on head of IP. A diesel mechanic friend said I also need to check the GP...
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    What am I Missing for WTS Hookup for a 7.3 Swap?

    So I swap in a 7.3 IDI into an 86 Ford, which originally had a gas engine. I just want to hook up a basic light to the glow plug controller. I see dozens of diagrams online, blue wire is for WTS. So when I turn my key on, I hook a 12V test light to the blue wire under the hood, to see if I...
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    Injector Pump Leak

    I searched and couldn't find a posting for this. Anyways, on a 1990 7.3, I have an occasional leak on the seal as shown in the pic. Any tip on fixing this? After pulling the pump, can this seal be replaced without have to tear down or rebuild the pump?
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    Getrag Yoke sizes

    Long story, so I don't to get in it, looking for a Getrag 360 output 1350 output yoke. The one I have has a 1410 on it. Were they available in 1350 U-joint size?
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    Help Needed with 7.3 IDI - Starts up then Dies, no start now

    I have a 90 F350, 7.3 IDI, for the past year starts right up no problem. Over the past month, I noticed it getting a little harder to start, had to crank on it a few more times. Then last couple weeks, it would start ok, then die out right away, after some cranking it would finally start...
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    Electric fuel to Plastic Line Connection?

    I've search and read plenty of threads and discussions about hooking up electric pumps on a 7.3 IDI, but I'm not sure how to connect to the factory fuel lines. Mine is a 90 F350 with 7.3. For now, I plan to run the electric pump only an auxiliary pump and may remove my mechanical and block it...
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    Advice Needed for ZF Rebuild in Process

    I'm in the middle of a rebuild on a ZF S4-42. I noticed the edge of the input shaft had been running on the 3-4 synchro body. Pocket bearing looks good. Anyone know what caused this? See pic.
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    Help needed for hard Starting

    History, 1990 F350, 7.3. Bought as project truck. Was horribly maintained by previous owner. Had fuel leaks everywhere, replaced return line injector o-rings, fixed filter housing, using one piece fuel filter. New lift pump. Not a drop of fuel now. Problem, I’m having is seems like pump is...
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    96 F250 7.3 Runs like Crap

    96 F250 with about 125K miles all stock was running perfect and one day it was very hard to start. It would run some and seem fine, but next day was hard to start. I installed fuel filter and ran it 2 or 3 times and it seemed to run good, but I didn't drive on highway. I thought it was fixed. A...
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    IDI Runs Erratic

    1990 F350 7.3 IDI I bought as project truck needing work. I replace one head due to a crack. I put everything together, replaced all leaking fuel o-rings, etc on top of engine. I don’t see any current leaks. I’ve been driving it around for about 150 miles and down the highway it feels like...
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    Running Rough WTH?

    96 F250, 115K miles. Runs rough and if I let off throttle, clears up immediately. I pulled valve covers and removed gaskets and under valve cover harness. All checked out good as far as continuity with ohm meter. While running and missing, I pulled connectors and noticed problem is isolated on...
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    Still no Start, I'm stumped

    History: Bought 1990 F350 Project truck with 7.3 and about 125K miles. Previous owner gave up when fuel pump went out. I put in new fuel pump, fixed leaks in fuel housing, replaced injector o-rings, got truck running. Discovered it had a cracked head, so I replaced head. I put...
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    Fuel Clear Return: How fast to purge

    Still new to the 7.3 IDI. I'm still trying to get the air purged out of the fuel system after I replaced a head on my 90 7.3. I have a clear tube for the return hose to the filter and it doesn't fill completely with fuel, there is still a lot of air in it. how fast should the line...
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    TPS - Wrong Position Affect Starting?

    I had to replace a head on 1990 7.3, broke the Throttle position sensor and had to buy a new one. Since its adjustable, I'm not sure what position it needs to be in or if the wrong position would make it hard to start. I been trying to get fuel system purged of air so its probably what the...
  19. S

    IDI experts: TP sensor question

    I was replacing a head on my 1990 7.3 and accidentally broke my TP sensor. I ordered an NOS one from Ebay but it is slightly different. My old part number is F2TF-9B989 CA and the one that came in the mail is F2TF-9B989 BA. Can I use the new one if I open the hole up in the bracket? The new one...

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