Originally Posted by
Kyo83
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Increasing, not decreasing your spur gears, will give your car more top end speed. Decreasing will give more acceleration. You need to find the right balance for your track. Too much of one and not enough of the other will make for a bad set up.
Complete opposite. Bigger spur gears will give you more acceleration, smaller spur gears will give you more top end.
Bigger pinion, will give you more top end, Smaller pinion will give you more acceleration.
Please note that "pinion" refers to the clutch bell while "spur" refers to the transmission.