[email protected] Posted February 22, 2010 Share Posted February 22, 2010 so i was told that if i call the local chevy dealership with my VIN number, they can look up what kind of gear ratio my truck has, they said its 4:10, but my dad says no way does my half ton have it. do you all think the chevy dealership could be wrong? thanks guys! Link to comment Share on other sites More sharing options...
jrrod2004 Posted February 22, 2010 Share Posted February 22, 2010 so i was told that if i call the local chevy dealership with my VIN number, they can look up what kind of gear ratio my truck has, they said its 4:10, but my dad says no way does my half ton have it. do you all think the chevy dealership could be wrong? thanks guys! 1/2 tons could have 4.10s out back..There is a website that gives you a decent breakdown...looking for it at the moment Link to comment Share on other sites More sharing options...
Matt_ Posted February 22, 2010 Share Posted February 22, 2010 lol id believe the dealership over your dad... he does know that 4.10s were an oem option right? (my 2005 had 4.10s stock too). you can also check the RPO codes in the glove box. i forget what the correct code is for 4.10s but im sure someone will post it.... i think its GU4 or GU5 Link to comment Share on other sites More sharing options...
csheatz Posted February 22, 2010 Share Posted February 22, 2010 Yes you can have 4.10's Get your VIN and plug it in HERE Link to comment Share on other sites More sharing options...
[email protected] Posted February 22, 2010 Author Share Posted February 22, 2010 i think hes just jealous that i have the same gearing as his 3/4 ton!! but ill look in the glove box for that, its just on a sticker in there? Link to comment Share on other sites More sharing options...
csheatz Posted February 22, 2010 Share Posted February 22, 2010 Yes its in the glovebox with all the other RPO codes, you can look that up on this site, you just have to know which code it is. If you go to the site I posted earlier u will get something that looks like a build sheet Link to comment Share on other sites More sharing options...
[email protected] Posted February 22, 2010 Author Share Posted February 22, 2010 "G80 AXLE,REAR,POSITRACTION,LIMITED SLIP POSITRACTION L/SLIP R/AXL(G80)" 2006Z71--it says this under my gearing ratio on that website, thanks for that by the way!, but what does this mean? that i have limited slip, or the g80? sorry if im asking stupid questions, i just dont know alot about cars Link to comment Share on other sites More sharing options...
jrrod2004 Posted February 22, 2010 Share Posted February 22, 2010 If it says G80 as the RPO code, then you have the G80 locking diff Link to comment Share on other sites More sharing options...
csheatz Posted February 22, 2010 Share Posted February 22, 2010 G80 is the locking rear diff. It should say somewhere, rear axle ratio. If you cant find it on compnine, use our RPO lookup or the one on compnine. You will have to enter in the 3 letter/digit codes in the glove box one at a time until you find out which one is the rearend code. I can remember right now which one it is but I will try and look for you! Someone else might post the rearend codes before I can get them. Link to comment Share on other sites More sharing options...
[email protected] Posted February 22, 2010 Author Share Posted February 22, 2010 yes it says G80 as the rpo code! alright nice, glad i asked, thanks alot guys!! Link to comment Share on other sites More sharing options...
csheatz Posted February 22, 2010 Share Posted February 22, 2010 You should look for one of these.... G84 : AXLE REAR, 4.10 RATIO GW8 : AXLE REAR, 4.10 RATIO GS3 : AXLE REAR, 3.73 RATIO GU6 : AXLE REAR, 3.42 RATIO Link to comment Share on other sites More sharing options...
[email protected] Posted February 22, 2010 Author Share Posted February 22, 2010 it says GT5 for the RPO code, then "AXLE,REAR,4.10 RATIO 4.10R(GT5)" then it says "G80" for the RPO, then "AXLE,REAR,POSITRACTION,LIMITED SLIP POSITRACTION L/SLIP R/AXL(G80) Link to comment Share on other sites More sharing options...
jrrod2004 Posted February 22, 2010 Share Posted February 22, 2010 it says GT5 for the RPO code, then "AXLE,REAR,4.10 RATIO 4.10R(GT5)"then it says "G80" for the RPO, then "AXLE,REAR,POSITRACTION,LIMITED SLIP POSITRACTION L/SLIP R/AXL(G80) That means that you have the 4.10s out back with the locking diff Link to comment Share on other sites More sharing options...
uh6tdrvr Posted February 24, 2010 Share Posted February 24, 2010 nice...enjoy 'dem gears adn if you dont want them i am sure there are alot of guys on here that would trade axles with you if you are that against them. Link to comment Share on other sites More sharing options...
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