Originally Posted by Mr.Squeeze

With our cars we can use any 350/370/G35/G37 it's a simple swap of the pumpkin that can be found in a junk yard for cheap. I even have a spare 3.3 stock auto pumpkin . I got Z1 to build my O.S Giken LSD differential I just mailed them a core.


Just to give you an idea of what the speeds in each gear are this is based off my tire setup 305/30/19 R888r 7800RPM Redline.

Stock 3.69
1.43 MPH
2.71 MPH
3.101 MPH
4.130 MPH
5.165 MPH
6.207 MPH

Auto 3.3
1.48 MPH
2.78 MPH
3.112 MPH
4.143 MPH
5.181 MPH
6.228 MPH