Quote Originally Posted by mxglory258
I looked into the same shit before, but looking for gas mileage b/c the D series trans seemed to have an airplane gear for 5th. lol. I'm looking to find a trans for my B16, that'll have 1-4 the same as what they are now, or roughly close, then have a high speed 5th gear for low RPM's on the highway.
just use a LS 5th gear in a gsr/type r tranny... 5th gear in a ls is .714, gsr is .787, type r is .848. the jdm ITR uses the same 5th gear as the LS, but the jdm type r has a fd of 4.785, where the LS has a fd of 4.266. the usdm type r has a fd of 4.400, same as GSR.

heres a link to some specs

http://www.ff-squad.com/tech/temp/Bgears.htm