There are four ways to find a ratio.
1 A dealer can normally tell from the vin number.
2 There are normally tags or labels on the axle that have part number, gear ratio, and fluid requirement
info.
3 You can count how many times you have to turn the driveshaft to get one complete turn of the tires.
4 You can divide the number of teeth on the ring gear and divide by number of teeth on the pinion.
the only way i fount that was take id number to Chevy dealer and they give you a print out of every thing that came on your vehicle.including differental gear ratio.
Yes
The 1986 General Motors/GMC S15 PU had a live (Salisbury type) rear differential. The size was 7.5 inch, 26 spline and offered in multiple gear ratios (including 3.08 and 3.42).
4l60
134 A
Yes
Yes.
it goes into tranny behind transfer case
he did lawn bowls with Jeff french!
In the gas tank
it is inside of the engine in the front drivers side mounted to the fender...
A repair manual for that vehicle would have that info.