PDA

View Full Version : Gear Ratio Accord & Prelude A20Ax to B20a



TWOLOUDNPROUD
09-01-2008, 10:59 AM
5speed
B20A:B2K5
1st: 3.166
2nd: 1.857
3rd: 1.259
4th: 0.967
5th: 0.794
Reverse: 3.000
Final Drive: 4.066

5speed
B20A:F2k5
1st: 3.166
2nd: 1.772
3rd: 1.185
4th: 0.967
5th: 0.794
Reverse: 3.000
Final Drive: 4.066
--------------------------------------------------------------------------
Same bellhousing as the B20a
JDM B18A:
1st: 3.181
2nd: 1.842
3rd: 1.250
4th: 0.937
5th: 0.771
Reverse: 3.000
Final Drive: 4.066

1987 Prelude Si
same gear ratio as the JDM B18a
1st: 3.181
2nd: 1.842
3rd: 1.250
4th: 0.937
5th: 0.771
Reverse: 3.000
Final Drive: 4.066
--------------------------------------------------------------------------
88 LXi:

1- 3.181
2- 1.842
3- 1.208
4- 0.878
5- 0.694
FD 4.066
carb manual FD is 3.866

A18A
09-01-2008, 12:37 PM
owe i want a f2k5 box

carotman
09-01-2008, 05:22 PM
Why?

The B2K5 has shorter gears :D

It's funny how the 87 Prelude SI and the B18A have the same thransmission internals.

TWOLOUDNPROUD
09-02-2008, 11:12 AM
The long gear ratio of the F2K5 is good for turbo.

AccordB20A
09-02-2008, 12:16 PM
you can tell no difference at all between f2k5 and b2k5

i know cause this yeay i have gione from b2k5 to f2k5 to b2k5
i have two of each gearbox and currently running the low kms b2k5 in my car now