1993 f350 to f550 rear springs? - Diesel Forum - TheDieselStop.com
7.3L IDI Diesels (Not Power Strokes) Technical discussion of topics related to vehicles powered by the 7.3 Liter In-Direct Injection Navistar engines.

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post #1 of 2 (permalink) Old 05-03-2019, 09:30 AM Thread Starter
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1993 f350 to f550 rear springs?

I have a 1993 f350 with 5" lift and would like to replace the rear springs to f550 for my fifth wheel. Does anyone have any knowledge of what year 550 springs will fit? Should I look for new springs with 5" lift and get rid of the blocks?
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post #2 of 2 (permalink) Old 05-03-2019, 11:59 AM
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Several things to consider. Do you have the bed clearance for the 5th wheel with the lift? Adding airbags may be a better/simpler way to go, you can lower/raise the pressure as needed making for a smoother ride and keep headlights aligned. I got rid of my blocks and set the springs on the axle. Pinion angle is the thing to worry about, but should not be an issue if you are doing well with current lift.

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