road speeds at 2000rpm in 5th

[matt4pl]

what are the road speeds of tha KA at 2000rpm in 5th gear? i was talkin to a guy at a meet adn they both said they go about 40 in their s13's in 5th at 2000rpm, i get about 48, and ive been clocked at about that speed by cops (long story), btw, i have 205/45/15 tires on the rear

[easymmkay240sx]

I hit about 47 in 5th at 2000 rpm

[matt4pl]

strange, guess their cars are diff, maybe their trannies? thx for the info

[texsilvia]

All 240's have a 4.083:1 diff ratio, which will put you within a few mph of 50 at 2k in 5th gear.

You can upgrade to the 3.69:1 and it will put you at about 55mph in 5th gear. Slightly less if you have an SR20DET due to the slightly lower overdrive in the japanese transmission.

If you really want to make your car a GT cruiser, you can get the 3.12 gear set from nissan which would put you at around 70mph at 2000rpm in 5th, but you better have torque, like the kind that comes from an RB25DET.