C4 Corvette 4-speed (Doug Nash 4+3) vs. TKO

1. Pick your TKO:

TKO-500 5-speed (.68 OD)

(32% reduction in RPMs!)

TKO-600 5-speed (.64 OD)

(36% reduction in RPMs!)

TKO-600 5-speed (.82 OD)

(18% reduction in RPMs!)

2. Pick your tire size:  /  R-

3. Pick your cruising RPMs:

Results: The Best of Both Worlds!

Low Gear Acceleration AND Low RPM Cruising!

1st Gear Comparison

Final Gear Comparison

Stock
Differential
Ratio

TREMEC

Accelerates like:

Stock
Final Gear

TREMEC
Final Gear

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Rolling diameter for selected tire:    inches

TREMEC Gear Set:

Horsepower:

Doug Nash 4+3 Gear Set: 1st=2.88:1; 4th=1:1