I will never do that to a street driven car, I will hate a handicaped car just coz I don't have the power... The exeption will be if the car came with a 6spd gearbox!!
I built my racecar a 3:73 diff with higher lockup, because I knew that in the back straight of RA I wanst going to need more that 140mph. But having no top end in a street car is just not smart, I think is one of those mods that will be left for last once the street car makes the final jump to a track/race car.
But now I understand the early comment of "who races from 70".....
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