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.
figure a 3.08
Depends on the engine and transmission
more than likely a 3.08 gear.
It depends on the exact engine and transmission used.
Most any stock carrier without a posi with have a 2:73 ratio
El Camino Real Derby was created in 1982.
Front fenders are the same on, 1982-87 El-Camino. 1982-83 Malibu.
Easy - they didn't make an El Camino SS in 1982.
Ring gear size is 8.5 inch , 28 spline axles .
probably a 3.08
Check your codes in glove box should read z15 if so ss.
No