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Old 05-15-2019, 11:18 AM   #15
MJN
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Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
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Re: Not sure what I'm looking at service bed etc.

RPO R79 or RR2 got you the 10.00x16.5 tires on 8.25x16.5 wheels in 1971 if they were factory installed. R79 included highway tread tires and the RR2 was for on/offroad tires. Not seeing them on the SPID, chances are they were added by either the body upfitter that installed the service body, the dealer when the service body was installed or by the previous owner.
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