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Help needed with spring code

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Old Sep 29, 2015 | 03:46 PM
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twiisted71
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From: SW Florida
Help needed with spring code

I'm trying to find out what my rear leaf spring rate is.

2011 Ford E350 12 pass
5.4L
3.73 gears
Door spring code: MM22

I've tried 2 dealerships, Ford Customer Service, Ford Parts.com, and Obsolete Parts. One dealer couldn't give any info, the other dealer and Ford Cust Svc gave me a part number that corresponds to an '08 E150. Ford Parts.com basically told me that Ford sees "no reason why I should need to have that info since my GVWR was in the door jamb!" Obsolete Parts said if could give them a part number for what I wanted they'd sell it to me!

I don't want to know anything other what my current spring rate is. I've tried searching every combination of word combinations I could come up with. Anyone with a parts spec book out there who can help with this?
 
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