Can Gearing Make Your Car Faster? With Proof!
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Test Results From Swapping Final Drive Ratios In My Honda S2000.
I swapped the 4.10 final drive ratio in my Honda S2000 for a 4.44 final drive ratio LSD. Does this actually make the car faster? To test, I did three second gear acceleration pulls before and after installing the new differential.
Variables Before & After:
- Gear oil used, 75W-90 vs 75W-140
- New differential pinion and ring and pinion gear (may not be fully broken in).
- 60 deg F for 4.1 testing, 67 deg F for 4.44 testing.
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