Quote:
Originally Posted by Keith Seymore
I see this SPID already has the dummy character "1" filling in front of the RPO code, but still has some additional function name info following the code.
Tim - was the RPO code always associated with 5 tires?
During the squarebody era the codes were separated for front/rear/spare to allow for different tires front and rear.
XFL - Front
YFL - Rear
ZFL- Spare (or no spare)
Did '67-'72 ever have anything like that?
K
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Want to say PU8 goes back to 70. It was the white stripe only upgrade of the base tires (thus five).
Here is a clip for 72 CK10 pickups (tubeless) as an example.
There were indeed code breakouts specifiying front, rear or spare. More typically on the 10 series they offered a pair and a spare. So say you wanted the on/off road tires on the rear you could order it with three on/off road or three highway with a code for the remaining two tires (5, 3/2 or 2/3 breakouts). If they were used, the suffix codes would have reflected the pair or triple. On 20-30 series a seperate RPO code callout was used for a spare or wheel like the squarebody (2/2/1 breakout). Unfortunately optional tires were not always reflected on the SPID.