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05-20-2010, 11:17 AM
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70+ ( Old Skool Club )
 
Join Date: Nov 2003
Location: Saskatoon, Saskatchewan ,Canada
Posts: 9,119
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Question about RPO Code on Spid
I have no Spid in my truck so I contacted GM and received the package with the codes and info from when it was built. I understand all the codes except one and it shows "Z32 Rear Wheel Equip". Does anone know what that code means?
I thought it might have something to do with the spare tire and wheel but they are coded seperate as "Z33 Spare Wheel Equip" and "Z34 Spare Tire Equip" Another question I have is that the original engine code for my truck is LS9 the 350 engine and M38 3 speed auto trans and no posi. With that combo it shows I should have the 3:73 as the standard ratio rear end with the 3:07 and 4:11 being optional. I have the 12 bolt in my truck so I am assuming I have the standard 3:73 because they'd put a 10 bolt with the 3:07 wouldn't they?
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1972 C10 Custom/Deluxe 613 Highlander 406/700R4 1999 White Tahoe LS 4x2 with Z56 Police Package 1992 K1500 GMC Suburban Members I have personally met: MusicMan70 - HeavyD - ChewyChevy67 - StingRay -71SWB4x4 - 67 Burb - DeadheadNM - too much stuff - bc65 - das601 " Circumsatances Do Not Change Responsibility " " The Sky is not the Limit, Your Mind is." Marilyn Monroe .. RIP Charlie Watts 1941 - 2021 |
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