Can it be done?? If so what affects will the Diff Ratios Make??
CA tranny will work but you need to use the SR bell housing (which im sure you know)
Gearing in the CA is different then the SR (5th gear + final drive)
CA18DET from a 88-90 Silvia K’s
1st - 3.321
2nd - 1.902
3rd - 1.308
4th - 1.000
5th - 0.838
reverse - 3.382
final drive - 4.363
SR20DET from 90-93 Silvia K’s
1st - 3.321
2nd - 1.902
3rd - 1.308
4th - 1.000
5th - 0.759
Reverse - 3.382
Final Drive - 4.083
thanks jeff, i am too lazy too swap the bell housing this weekend and I think 5 gear would kill my milage