1966 Corvette Engine Options

Engine

Transmission

Standard
Axle

Mountain
Axle

Economy
Axle

Special
Purpose
Axle

Air Cond.
Axle

300 HP
3-Speed
2.54:1 Low
3.36:1

 

 

 
3.36:1
300 HP
4-Speed
2.52:1 Low
3.36:1

 
3.08:1*

 
3.36:1
300 HP
Powerglide
3.36:1

 

 

 
3.36:1
350 HP
4-Speed
2.52:1 Low
3.36:1
3.55:1*

 

 
3.36:1
350 HP
4-Speed
2.20:1 Low
3.70:1
4.11:1*

 

 

 
390 HP
4-Speed
2.52:1 Low
3.08:1*
3.36:1*

 

 

 
390 HP
4-Speed
2.20:1 Low
3.36:1*
3.55:1*
3.08:1*
3.70:1*

 
425 HP
4-Speed
2.20:1 Low
3.55:1*
3.70:1*
3.36:1*
4.11:1*

 
425 HP
4-Speed
2.20:1 Low
**
**
**
**

 
*Available as Positraction Axle Only
** Customer to Specify Positraction Axle Ratio
Revised figures as of December 1965