1980 Chevrolet Corvette

A 1980 Chevrolet manual gear is typically a 3-speed or 4-speed transmission with common gear ratios of \(1.00\) (4th gear), \(1.57\) (3rd), \(3.57\) (2nd), and \(6.54\) (1st), depending on the model. Many models, such as the C10 truck, offered 4-speed manual options like the MM4 code transmission and heavy-duty trucks like the K30, used 4-speed manuals for their rugged capabilities. For a specific vehicle, it's best to check the model's service manual or consult resources for that specific vehicle's options. Key characteristics and gear ratios Transmission types: 1980 models offered both 3-speed and 4-speed manual transmissions.Common gear ratios: A common 4-speed manual transmission for GM vehicles of this era had the following ratios:1st Gear: \(6.54\)2nd Gear: \(3.57\)3rd Gear: \(1.57\)4th Gear: \(1.00\)Model examples:Chevrolet C10: Offered a 4-speed manual option, which was a popular choice for this truck line.K30 Silverado: This heavy-duty model was equipped with a 4-speed manual, ideal for hauling and towing in tough conditions.Corvette: The 1980 Corvette, for example, offered a 4-speed manual transmission (code MM4) as an option.