1966 GTO Rear End Ratios
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Compare Rear End Ratios for all Years


3.08   3.23   3.36   3.55   3.90 4.11* 4.33

* Dealer installed only after ordering 3.90 with 3-speed manual or 4-speed close ratio manual.
Drivetrain Options








· 1964
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Body Weight
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Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1965
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1966
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Options Available
Performance Data
Production Totals
Price $
VIN Decoder

· 1967
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1968
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1969
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Judge Decal Colors
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1970
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Judge Decal Colors
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1971
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Judge Decal Colors
  Interior Codes & Samples
  Conv Top Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1972
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 1973
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Production Totals
Price $
VIN Decoder

· 1974
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Vinyl Top Codes & Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
    Production Totals
  Rear End Ratios
  Transmission Ratios
Performance Data
Production Totals
Price $
VIN Decoder

· 2004
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Gauges Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
  Rear End Ratios
  Transmission Ratios
Options Available
Performance Data
Production Totals
  Totals By Paint
  Totals By Transmission
Price $
VIN Decoder
Wheel Dimensions

· 2005
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Gauges Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
  Rear End Ratios
  Transmission Ratios
Options Available
Performance Data
Production Totals
  Totals By Paint
  Totals By Transmission
Price $
VIN Decoder

· 2006
Body Styles
Body Dimensions
Body Weight
Color Options
  Paint Codes & Samples
  Interior Codes & Samples
  Gauges Samples
Data Plate Decoder
Drivetrain Options
  Engine Power & Torque Data
    Cylinder Data
  Rear End Ratios
  Transmission Ratios
Options Available
Performance Data
Production Totals
  Totals By Paint
  Totals By Transmission
Price $
VIN Decoder

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