How big is the differential in 1989 camaro rs?

The 1989 Camaro RS came with a few different rear axle ratios depending on the engine and options selected. There wasn't one single "size." The differential itself is a physically different size depending on the ratio, but more importantly, the ratio is what's usually discussed when talking about the size of the differential's function.

Common rear axle ratios for the 1989 Camaro RS included:

* 2.73: This was a common ratio for fuel efficiency.

* 3.08: A more common all-around ratio, offering a balance of performance and fuel economy.

* 3.23: Provided better acceleration but at the cost of some fuel efficiency.

* 3.42: Geared more for performance.

You'll need to check the vehicle's documentation (owner's manual, sticker on the doorjamb, or the axle itself) to determine the exact ratio of the differential in a specific 1989 Camaro RS. The ratio is usually expressed numerically (e.g., 2.73, 3.08) and is stamped onto a tag on the differential housing.