Diesel Conversion
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Joined: Nov 2003
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Diesel Conversion
I think I want to swap a 6.9/C6 from an 84 2wd F250 into a late 70's F250 4wd. Can I swap the tailshaft housing from the 4wd C6 into the 2wd C6 in order to get the t-case in there. Other than motor mounts, anyone know what other problems to expect. I have the complete diesel donor truck for fuel tanks/ radiator etc.
Posting Guru
Joined: May 2003
Posts: 1,242
Likes: 3
From: Joliet, Illinois
Me thinks you have way too much free time.
The diesel has a lot of low RPM torque, but not a lot of HP, and a vary restrictive RPM range, and it depends on what you are expecting to accomplish out of doing the swap.
Engine, radiator and it's mounts, suspension up front as the diesel is heavier, sound proofing, trans, drive line length, transfer case adapter, tear down the trans to install the matching output shaft, fuel system, exhaust system, frame mounts for the engine, dash/tach, all the related wiring that was not installed for a diesel as it was not originally a diesel including the glow plug system and second battery and tray and relay and what not, and check to see if your gearing will give you decent freeway speeds with the lower maximum RPM range of a diesel, if not, change the gearing!
A lot to consider, that and if you dont do a first rate job (like stock) it will hurt the resale value big time, and will still hurt it some even if you do a good job.
It would be easier, a heck of a lot easier and cheaper to fix up and sell or part out what you have and buy a stock diesel truck to start with, rather than swap all the related components and have the truck down and be working on it forever and a day, and with the donor truck, nothing is new so you might be swaping in something that does not have a whole lot of life left to it.
Makes me tired just thinking about all the work involved.
Engine, radiator and it's mounts, suspension up front as the diesel is heavier, sound proofing, trans, drive line length, transfer case adapter, tear down the trans to install the matching output shaft, fuel system, exhaust system, frame mounts for the engine, dash/tach, all the related wiring that was not installed for a diesel as it was not originally a diesel including the glow plug system and second battery and tray and relay and what not, and check to see if your gearing will give you decent freeway speeds with the lower maximum RPM range of a diesel, if not, change the gearing!
A lot to consider, that and if you dont do a first rate job (like stock) it will hurt the resale value big time, and will still hurt it some even if you do a good job.
It would be easier, a heck of a lot easier and cheaper to fix up and sell or part out what you have and buy a stock diesel truck to start with, rather than swap all the related components and have the truck down and be working on it forever and a day, and with the donor truck, nothing is new so you might be swaping in something that does not have a whole lot of life left to it.
Makes me tired just thinking about all the work involved.
