95+ E4OD into a '92
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Cargo Master
Joined: Apr 2010
Posts: 2,600
Likes: 64
From: Billings, MT
95+ E4OD into a '92
Hey guys, disregard the other trans thread. Found a used '95 E4OD in a salvage yard for $300, so I'm giving it a shot in the '92 that has a dying front pump. I've heard of differences in the solenoid pack, something about diodes. The MLPS connector has already been converted to the new style. Do I need to re-pin or change any wiring otherwise?
I will also be upgrading to MAF, so the computer will likely be a 95+ as well. Still looking if anyone knows a good place to find a computer and harness. All the local yards keep the harness with the motor.
I will also be upgrading to MAF, so the computer will likely be a 95+ as well. Still looking if anyone knows a good place to find a computer and harness. All the local yards keep the harness with the motor.
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Cargo Master
Joined: Apr 2010
Posts: 2,600
Likes: 64
From: Billings, MT
Guess we'll find out together, I'm going to pick up the used '95 trans today. From what I found through searching various websites, the solenoid connector is the same, on '94 and older trannies, there are diodes in the solenoid body, on '95 and up they are in the computer. Supposed to be no problems with swapping either way, but it should be a non-issue for me as I'm converting to mass-air also as soon as I round up the parts.
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Cargo Master
Joined: Apr 2010
Posts: 2,600
Likes: 64
From: Billings, MT
Anybody know if the 4.9 liter converter is any different from the 5.0/5.8 one? The '92 truck has my stock Lightning converter in it right now, but the one that came on this '95 4.9L E4OD looks the same, just wondering if the stall speed is different or anything like that. I'm going to try and use the 4.9 trans dipstick if I can, it comes forward a lot farther, and looks to be a hell of a lot easier to get to.
Also, anyone know a good online source for the mass-air parts? I found part of a harness and a MAF on a truck at the yard yesterday, but that's the best I've been able to do. I'd prefer a VEX1 or WAY1 ecm.
Also, anyone know a good online source for the mass-air parts? I found part of a harness and a MAF on a truck at the yard yesterday, but that's the best I've been able to do. I'd prefer a VEX1 or WAY1 ecm.
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Cargo Master
Joined: Apr 2010
Posts: 2,600
Likes: 64
From: Billings, MT
Well, it's in and working fine, no problems. I did have to swap the solenoid pack connector with a newer one, which I got from Ford for like $15 bucks. All the wires go in the same spot.
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Cargo Master
Joined: Apr 2010
Posts: 2,600
Likes: 64
From: Billings, MT
Yep. Got it from a good source that there is no problem running either combo with either tranny.
I do plan to convert to MAF down the road anyway, but I'm hopefully done bleeding money for a while into this bitch.
Time for fun stuff. When I get the Lightning sold it'll be getting a proper exhaust, lowered and some other goodies.
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Fleet Owner
Joined: Oct 2005
Posts: 20,789
Likes: 1,753
From: Kentucky
The problem with running a later model solenoid pack on a 1994 and earlier PCM is there are no protection diodes in the circuit now to keep the voltage spike, from the solenoids when they are shutoff, from getting to the driver transistors in the PCM.
It's basic electronic circuit design that comes into play here. You may get away with it until you install a later model PCM, but be aware of what could occur.
It's basic electronic circuit design that comes into play here. You may get away with it until you install a later model PCM, but be aware of what could occur.
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