Reply to thread

Message: <blockquote data-quote="mrray13" data-source="post: 88238" data-attributes="member: 540942"><p>older trucks/cars used to have a tag bolted on the pumpkin w/ axle serial # and gear ratio. if not take your vin # to a chevy service dept, they should be able to look it up. one "shadetree" way to aprx-mate ur ratio(without removing the cover) is to put your trucks rear end up on stands, block the front wheels, put your ****** in neutral, make a mark on a rear tire(say at 12 oclock) and make a mark on your driveshaft(say at 6o'clock). with someone turning the tire SLOWLY ONE FULL REVOLUTION, u count the number of times the driveshaft turns. 3.5 turns.....3.55:1 rears, 3.75 turns......3.73:1 rears, just over 4 turns(say mark stops at 8o'clock)......4.11:1.  more than likely it's one of those three, if it's a 2wd truck, my money is on either 3.55 or 3.73. hope that helps some.</p></blockquote><p></p>

Top