pinero61
Well-Known Member
As beast said it will spin the tires faster at a given rpm/gear.
More importantly, it makes it easier for your drivetrain to begin moving and keep the tires moving within an effective speed range.
At higher speeds, the engine will have to rotate faster to maintain the same speed. This is where the loss to fuel economy comes in.
Power vs economy is and always has been the main battle in gearing selection. However, the newer auto transmissions (8-10 gear) are are allowing people to run low and high effective ratios with the same setup. Best of both worlds.
More importantly, it makes it easier for your drivetrain to begin moving and keep the tires moving within an effective speed range.
At higher speeds, the engine will have to rotate faster to maintain the same speed. This is where the loss to fuel economy comes in.
Power vs economy is and always has been the main battle in gearing selection. However, the newer auto transmissions (8-10 gear) are are allowing people to run low and high effective ratios with the same setup. Best of both worlds.
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