MommyTaz022200 Posted October 10, 2003 Report Share Posted October 10, 2003 I got most of my codes figured out from the RPO Code section of this site, but I have a few that are not listed. They are FAI, IKC, 6XX, and 7JK. I'm also trying to figure out why there are no tire shops that list the tire size I currently have on my car as being the right tire size for my car. My tires are P225/60/R16 Douglas Touring. They were on the car when I bought it. Anyone know if they are the right size, and if they aren't what is the right size? Quote Link to comment Share on other sites More sharing options...
bluegp Posted October 10, 2003 Report Share Posted October 10, 2003 I got most of my codes figured out from the RPO Code section of this site, but I have a few that are not listed. They are FAI, IKC, 6XX, and 7JK. I'm also trying to figure out why there are no tire shops that list the tire size I currently have on my car as being the right tire size for my car. My tires are P225/60/R16 Douglas Touring. They were on the car when I bought it. Anyone know if they are the right size, and if they aren't what is the right size? I found IKC: Trim-Interior Design (whatever that is) I have another book with codes that I'll look for; when I find it, I'll let you know. Why no shops list your tire size? Because they're stupid. Three different 16" tires came on the W-Body: 215/60/16, 225/60/16, and 245/50/16 (turbo only). You can check the RPO code - it should start with Q or look at your tire information label (mine's on the trunk lid). I believe that the 225/60/16 tire was optional on the 2 Door (depending on model) and only available on the 4 door with the 3.4. Quote Link to comment Share on other sites More sharing options...
Jeorge Posted October 10, 2003 Report Share Posted October 10, 2003 in 1991 they went from the 215/60 to the 225/60 if you have 16's for the most part the 215/60 was 88-90 and no IM not talking TGP's they had the 245's and the STE's had 215's but most people upgrade the 215's to 225's because the Price and advaliblity of the tires in that size. Quote Link to comment Share on other sites More sharing options...
Gearhead43 Posted October 11, 2003 Report Share Posted October 11, 2003 FAI - PLANT CODE , "FAIRFAX, KS, USA" IKC - TRIM , INTERIOR DESIGN (KC) 6XX - COMPONENT FRT LH , COMPUTER SEL SUSP (FXX) Spring code Front Spring FXX GM P/N 14100199 I suspect that RPO 7JK would be the Rear Leaf spring code.. (The 7 is replaced with an "R" to give you the spring code. But that works out to "RJK". Which there is no listing for that rear spring. Weird..... Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted October 11, 2003 Report Share Posted October 11, 2003 can someone tell me what these are 1S2, 121 LFB, R72 WH3 Quote Link to comment Share on other sites More sharing options...
Gearhead43 Posted October 11, 2003 Report Share Posted October 11, 2003 Ummm You sure that 1S2 isn't 1SZ PACKAGE , OPTION DISCOUNT and 121 isn't 12I 12I - INTERIOR TRIM , GRAPHITE Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted October 11, 2003 Report Share Posted October 11, 2003 121 is on there, 1S2 was a typo, its 1SZ Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted October 12, 2003 Report Share Posted October 12, 2003 after looking at my RPO codes, 121 is sopose to be 12I so 12I - INTERIOR TRIM , GRAPHITE would make sense. I still need to know what LFB, R72, WH3 are. Quote Link to comment Share on other sites More sharing options...
Gearhead43 Posted October 28, 2003 Report Share Posted October 28, 2003 can someone tell me what these are1S2, 121 LFB, R72 WH3 LFB - is LF8 - ENGINE, GAS, 6 CYL, 3.0, MFI, V6, REGULAR FUEL WH3 - MERCHANDISED PKG R72 - Appears to be a Control Item Code # is unknown Quote Link to comment Share on other sites More sharing options...
m0sh_man Posted October 28, 2003 Report Share Posted October 28, 2003 my 1991 GTP has 245/50/16's its a 3.4L TDC engine with HM 284 5 speed transaxle. matthew Quote Link to comment Share on other sites More sharing options...
cutlassdude96 Posted October 29, 2003 Report Share Posted October 29, 2003 can someone tell me what these are1S2, 121 LFB, R72 WH3 LFB - is LF8 - ENGINE, GAS, 6 CYL, 3.0, MFI, V6, REGULAR FUEL WH3 - MERCHANDISED PKG R72 - Appears to be a Control Item Code # is unknown LF8 is not correct its got the Q4 in it :? LF8 & R72 are off a 91 Calais Quote Link to comment Share on other sites More sharing options...
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