Powerstroke upgrade! Engine swap started..
3rd Gear
Joined: Sep 2013
Posts: 3
Likes: 0
Midwest Dually
I have a 90 F350 with the 7.3 idi with a blown head gasket, I have a 99 F250 7.3 ps that I got for parts originally. Im wanting to swap the ps into the 90 and Im wondering what the biggest issues will be. I followed your whole swap, Im wondering what I can get away with as far as trying to keep the old dash and not tearing to far into it. If I have to I have to but Id like to stay out of the dash. Any and all info would be great
I have a 90 F350 with the 7.3 idi with a blown head gasket, I have a 99 F250 7.3 ps that I got for parts originally. Im wanting to swap the ps into the 90 and Im wondering what the biggest issues will be. I followed your whole swap, Im wondering what I can get away with as far as trying to keep the old dash and not tearing to far into it. If I have to I have to but Id like to stay out of the dash. Any and all info would be great
Fleet Owner
Joined: May 2009
Posts: 21,437
Likes: 76
From: Gilbert, PA
Midwest Dually
I have a 90 F350 with the 7.3 idi with a blown head gasket, I have a 99 F250 7.3 ps that I got for parts originally. Im wanting to swap the ps into the 90 and Im wondering what the biggest issues will be. I followed your whole swap, Im wondering what I can get away with as far as trying to keep the old dash and not tearing to far into it. If I have to I have to but Id like to stay out of the dash. Any and all info would be great
I have a 90 F350 with the 7.3 idi with a blown head gasket, I have a 99 F250 7.3 ps that I got for parts originally. Im wanting to swap the ps into the 90 and Im wondering what the biggest issues will be. I followed your whole swap, Im wondering what I can get away with as far as trying to keep the old dash and not tearing to far into it. If I have to I have to but Id like to stay out of the dash. Any and all info would be great
Good luck since the ECm is behind the dash in the cab, and the spedometer will be run off the vss sensor on the rear axle(to let the ECM know when to tell the trans to shift)
3rd Gear
Joined: Sep 2013
Posts: 3
Likes: 0
Ok so whats my best bet as far as the dashs go, take the 99 out and try to put it in the 90 or try to mount everything under the 90s dash? Am I going to have to rewire all the lights and radio or is it just the computer components? BTW I am far from a mechanic and I have very little understanding of any of the electrical. Also will the vss sensor attach to the rear end of the 90?
Freshman User
Joined: Dec 2008
Posts: 42
Likes: 0
Gotta Chime in, I'm doing almost the exact same swap. started with a 94 f350 with 5.8 E4OD, went to a 7.5 (from a 90, built an adapter kit for the wiring harness, PIA!) and a ZF 5 spd. now it is very slowly becoming a 96 PSD with a ZF. I can vouch, the dash wiring sucks. as for the engine cross member... just paid a guy to cut out the small block one and weld the PSD one in (they're not just riveted like we thought). Never attempt this swap without having and entire truck for a donor!!!
Senior User
Joined: Mar 2013
Posts: 436
Likes: 1
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Posting Guru
Joined: Jan 2009
Posts: 1,955
Likes: 2
From: Wyoming
As for updates, none to speak of, uhg! Lol
I plan to head down to AZ this summer and pick it up out of storage. The biggest challenges have been taking time off from my business since I opened up here in WY. The next challenge was finding something to use to go get it. Thats been resolved as i recently purchased another powerstroke (2010 6.4) that could haul it back. I should have a date to go get it this month. I am thinking August!
I plan to head down to AZ this summer and pick it up out of storage. The biggest challenges have been taking time off from my business since I opened up here in WY. The next challenge was finding something to use to go get it. Thats been resolved as i recently purchased another powerstroke (2010 6.4) that could haul it back. I should have a date to go get it this month. I am thinking August!
