Join Date: Aug 2001
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Re: 4.88\'s in 4 banger TJ.
I have a 4 cyl YJ, and the stock ratio is 4.1 with the manual trans. I am not sure what the TJ stock is, I am guessing its the same. I am also assuming (for the sake of my point) that your Jeep came from the factory with 27inch tires. So from the factory you had 4.1 with 27 inch tires. With 4.88 and 33 inch tires your RPMs will be just about the same as stock. Give or take 200RPMs. So if you liked the rpm feel of the stock setup then go with the 4.88s
91 YJ 4in lift waiting in the garage till March !
"It takes a special type of person to drink a cup of coffee in a jeep"