How do I tell which transmission I have in my 1998 Corvette? It is an automatic. Were all the transmissions the same? Would it be the 4L60E transmission? Thanks

 

4L60E, i do belive...im not much of an auto guy so yeah

 

Correct me if I'm wrong, but I think all of the Auto Trannys are the same, the difference was the rear-end gear ratio. There was a standard ratio, and there was also a performance ratio. Now I'm not sure what the exact ratios were, but I'm sure Lee or mech can answer that question.

 

I dont think they made any performance gear in the auto since the rear ends werent as strong as the M6 cars.

 

Common Standard Equipment and Specs
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Power and Performance

5.7L V-8 345HP engine


4-spd auto transmission w/OD


130 amp alternator


600 amp battery


Engine block heater


Transmission oil cooler


Axle Ratio
2.73 axle ratio

Fuel Tank
19.1gal. fuel tank

Dual stainless steel exhaust with chrome tailpipe finish


From Cars.com

 

I think the auto came with a 2.73 ratio rear axle and an optional performance ratio fo 3.15. The M6 came with a 3.42.