Ok, I am looking to figure out which Transmission will be best for what I'm trying to do. Basically I have a 90 Civic DX Hatchback with a stock D15B2 and 5spd trans. I have a 4spd trans out of a 90 Civc DX and a 5spd trans out of a 90 CRX Si sitting on the floor. What I need to figure out is the Final Drive ratio's and gears that are in these transmissions I am going to race it on a 3/8 mile asphalt oval track here in NY and I need the trans with the longest 3nd and 3rd gear I can't find ANY information on the gearing in the 4spd, and I haven't had much luck locating any info on the stock 5spd. Any help would be greatly appreciated, thanks!