Re: Farm truck engine convert question

Posted by KEB on November 06, 2006 at 20:41:32 from (72.19.170.5):

In Reply to: Farm truck engine convert question posted by mud on November 06, 2006 at 12:40:48:

Check the 6.9/7.3 forum on thedieselstop.com. Lots of good info there, including guys who have done engine swaps. You have to join to post, but no big deal to do. The 6.9 was also mated up to the C-4 automatic, which might be a lot easier than going to a manual (not sure if the diesel bellhousing is the same as a gasser). I converted an old International Travelall from manual to automatic one time, which was pretty simple. Not sure I'd want to go the other way unless I had a complete donor vehicle with all the bits & pieces.

I had a 93 Ford with a 7.3 & factory turbo & a 5-speed. They have a generic problem with dual-mass flywheels coming apart, plus you can't resurface one if its worn. Mine was starting to chatter when I sold it. Several places sell replacement single-mass flywheels. Not as much power as the new-to-me Powerstoke I replaced it with, but a good truck & got about the same mileage as my 99. Handled our travel trailer just fine, although it was pretty slow going up a 6 or 7% grade at 10,000 ft...It had way too much split between 2nd and 3rd. Really needed another gear in between.

Pre-powerstroke Ford (International) diesels used a mechanical injection pump. In addition to changing from indirect to direct injection, the powerstokes are an electronically controlled engine using electrically actuated, hydraulically powered injectors.

Wiring for a pre-powerstroke diesel is about as simple as you can get. Off the top of my head there were only a few connections to the engine; a cutoff selenoid on the injection pump, a timing selenoid on the pump operated by a temperature switch, the glow plug feed & control wires, plus the usual guage connections.

I'm not sure what other problems you may run into. A diesel weighs considerably more than a gas engine, but I'm not sure how much difference there may be in the front suspensions.

Personally, I think it would be a fun project if it wasn't something I absolutely had to get done right away. Good luck,

Keith

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