Posted by Keith in Washington [24.41.55.51] on Thursday, April 30, 2015 at 08:19:03 :
In Reply to: Re: '74 Dually posted by Wyatt Gendron [216.221.100.103] on Thursday, April 30, 2015 at 02:37:25 :
Look for a tag on the differential or stamping on the axle tube which will give the ratio. If it has been sitting for 30 years I would expect any stamping a on the axle tube to be gone or very difficult to read.