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Swappin in a deisel

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Old Apr 24, 2006 | 12:42 PM
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Talking Swappin in a deisel

My buddy...the same guy that helped me rip of my tail pipe , yea we were talkin and i want a lot more horsepower for my blue bronco '92 automatic 302 4X4. So dip**** mentions the idea of putting a deisel from an F-250 around the same yr into my truck... What say you?
 
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Old Apr 24, 2006 | 01:10 PM
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no horsepower, but it will be a torque monster.
 
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Old Apr 24, 2006 | 01:30 PM
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Speeking of Torque...

Yea speeking of torque. What should a bronco idle at? cause mine idles at 2500 rpm...pls tell me im right...
 
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Old Apr 24, 2006 | 01:41 PM
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Idle at 2500 rpm? that can't be right unless it sounds like the engine is racing.

As far as the diesel swap is concerned, go to www.fordcummins.com the cummins is a much better motor (the 7.3 won't bolt up to your tranny anyways, so there's no advantage going with a ford motor)
 
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Old Apr 24, 2006 | 02:13 PM
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Oh I don't know if they have different adapter plates, but the E4OD does bolt up to a PS 7.3 . It's alot more work than I think you realize though. The frame will have to be strenghtened to support the weight of that engine, and the drivetrain significantly strenghtened or replaced with 1ton running gear. You'll end up giving up all off-road functionality too, becuase it will be so front heavy that it will sink like a brick in mud....diesels are not so good for mud.
 
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Old Apr 24, 2006 | 04:04 PM
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The E4OD will bolt up to a PSD if the E4OD was behind a 460 or diesel originally. Since a 92 Bronco never came with either, the tranny that he has now is guaranteed to not work with any diesel. It will have to come out regardless.

An idle of 2500 rpm is not right at all. But I'd start a different thread on that to make it less confusing.

The diesel swap can and has been done. But there are other things to consider, like the weight of the diesel. And what it will do to your drivetrain if you beat it too hard.
 
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Old Apr 24, 2006 | 04:08 PM
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Originally Posted by andym
The E4OD will bolt up to a PSD if the E4OD was behind a 460 or diesel originally.
nope. i beg to differ andy. gasser trans will not fit diesel, and diesel will not fit gasser.
 
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Old Apr 24, 2006 | 04:11 PM
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I've always thought they were interchangeable, but I never actually tried it.

But if you've tried it and it didn't work, then that's good enough for me.
 
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Old Apr 24, 2006 | 05:27 PM
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I know of another one of these that's in the works right now. The donor truck is a 96 F250 powerstroke 4X4. He is having to just do a frame splice from the body mount forward. He is also using the front end sheet metal from the donor because the core support and the front bumper are different. The trans with transfer case work fine as far as the rear trans mount and driveshafts.
 
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Old Apr 25, 2006 | 11:06 AM
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Originally Posted by tjc transport
nope. i beg to differ andy. gasser trans will not fit diesel, and diesel will not fit gasser.
that's not true. the bolt pattern on the 460, 429 and the 351M is the same as the bolt pattern on the 7.3.

You don't WANT to put a gasser tranny behind a diesel because it's not set up for it. You'd need to rebuild the tranny for it to function properly.
 
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Old Apr 25, 2006 | 01:09 PM
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Can you elaborate on that?

I always thought they were interchangeable. I don't know why you'd have to rebuild it to put it behind a diesel.
 
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Old Apr 25, 2006 | 05:53 PM
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ok, it may be. i was just going on what i was told be ford and the trans shop. they said the diesel and gas engines had a different bolt pattern. i looked at the ZF i took out of the diesel and one that was on a 460 and i thought the top bolts were different spacing, but i did not measure them cause i was told they were different.
 
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Old Apr 25, 2006 | 06:03 PM
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Originally Posted by andym
Can you elaborate on that?

I always thought they were interchangeable. I don't know why you'd have to rebuild it to put it behind a diesel.
I believe the diesile c6 had a different ratios and better clutches.
 
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Old Apr 25, 2006 | 06:28 PM
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Originally Posted by BroncoRoadKill
I believe the diesile c6 had a different ratios and better clutches.
the torque converter is not the same either iirc.

The power and torque curves are different between gas and diesel Max rpm on a 460 is what, 5,000? Diesel's red line at 3,500 with peak hp in the upper 2,000 range and peak torque a couple hundred rpm lower.

Could you bolt a diesel to a gasser tranny? yes.

Will you be happy with the performance? Not very likely.
 
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Old May 1, 2006 | 01:10 PM
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You cannot bolt a diesel to a gasser tranny, the flywheel is different
 
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