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.
3.08
Sure... you pull out the axle shafts, and its disconnected.
The Chevy S10 were small pickup trucks which were made from 1982-2003. The axle nut size for an S10 is 36mm.
The function of an air control sensor of a 4.3 1991 S10 is to determine the amount of air that the idle air valve allows to pass trough it and bypasses the throttle plate.
The rear axle ratio is 3.73 for a single cab short box and 4.11 ( Or 4.10 I've seen both quoted) for long boxes and extended cabs.
how do you change the oil pump on a 1991 s10 pickup
Yes.
35mm
The idle sensor on a 1991 S10 4.3 can be located at the engine bay.
NO.
35mm
No, it has independent suspension in front.