Donor Truck
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Tuned
Joined: Sep 2001
Posts: 279
Likes: 0
From: Western PA
Donor Truck
O.K. I have found a "donor truck" to fix up my 1966 "race truck". It is a 1973 360 with a 3 speed and 8 foot bed. It has power steering and dual master cylinder and new raditaor and new starter and new dual exhaust and new points cap rotor, etc. It has a two piece driveshaft and my 1966 short bed only has one???? Can I pull my race motor and put motor & trans & rearend punmkpin in? Would this year truck have the wider rearend? So I still need to check the spline count? It has a rearend code on 19J or J19 but I cannot jind a chart of 1973. It is too much? it is on a "Quality Used car lot" and the guy is not negotating.
Fleet Owner
Joined: Jun 1999
Posts: 24,552
Likes: 74
From: Creedmoor, North Carolina
Donor Truck
1973 was the year that Ford widened the rear axle. 
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John
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In the cool still quiet of night, you can hear chevies rusting away.
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John
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[link:www.ford-trucks.com/users/jowilker|My Club FTE Page] Member since 01 01
[link:www.ford-trucks.net/users/jowilker/NCFTE.html|NCFTO] North Carolina Ford Truck Owners Group
In the cool still quiet of night, you can hear chevies rusting away.
Fleet Mechanic
Joined: Nov 1999
Posts: 1,415
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From: Lower 48
Donor Truck
I would measure the spring seats on both trucks. When I put the rear end of a '73 F250 under my '72 F100 I had to weld another set of spring pads just inside the existing ones on the '73 axle. I used a set of trailer spring pads as they were narrower, but so were the springs and it was a perfect match. What you wind up with is a simpler setup when you go after parts. Now you're looking at parts for a '73 instead of different year parts for the same axle, and hoping they fit.
Trail Rider
Trail Rider
Posting Guru
Joined: Nov 2000
Posts: 1,310
Likes: 3
From: Illinois
Donor Truck
the 73-79 trucks had wider frames so the spring mounts are spaced farther apart. This can be remedied like stated in an earlier post. The axles and center sections will interchange as long as you keep the correct spline count e.g. 28 spline axles and 28 spline carrier. The 73-86 9" used 31 splines as the 57-72 used 28, usually. There might be exceptions as we have found out with Ford, there is nothing carved in stone.
