Hi guys, I’m not even sure what gears my 1988 3.0 automatic pickup has but I am getting ready to run 33x9.50 tires and want to get it geared so it will run like stock or even a little lower than stock to give me a little more power. I’ve never re-geared anything before so I don’t even know where to begin. My rear end sounds like crap, I ran the stock spare that was a 225/75-15 for a while on the rear while my other tires were 31's and it chewed something up, that was a long time ago before I knew it would damage anything! How do I find out what gears I currently have now? What gear ratio would you run to turn the 33's and make it close to stock or like I said even a little bit better than it is now, my 3.0 even with the intake and exhaust is still kind of a dog.. damn automatic trans :cry: Thanks again

 

what is your axle code? http://www.4crawler.com/4x4/ToyVIN.shtml#VINlocator explains what it is and where t ofind it.... http://www.off-road.com/toyota/tech/other/4_axles.html shows what your #s mean

 

You most likely have 4.30s. There is a chance of 4.10s. 4.88s will be close for 33s. 5.29s will be noticeably lower than stock.

 

Find out what differential Toyota says you have HERE.
Double check it using the procedure outlined HERE.
More information, as well as suggestions for differential ratios for various tire sizes HERE