ufakeit

what would the advantage be in running a s40 trans from a 99 civic in comparison to the stock trans in my 95? also what is the trans code for the 95 trans? both 5 speed btw. thanks

Ruben19

S20 92-95 d-16/15 trans
it all depends if you have the ex/si or the dx/cx/lx transmission

ufakeit

so when looking for a new one i should look for a ex/si tranny because the gear ratios are better?

Ruben19

r you boosting?
ex/si gears are shorter

ufakeit

yeah im boosted. i have a s40 trans in right now but i think my final drive is going bad so i was trying to figure out if i should find another s40 or go to a s20. i know that they are shorter so i would go with a si/ex tranny wither way.

Ruben19

don't you want a transmission with longer gears since you boosted?

ufakeit

ooo good point. but the question still remains wfat is different between the 2 trans?

ufakeit

i kno that the s40 in my car now is a hydro. are the s20 trans also?

Ruben19

s20 from 92-95 civics are hydro transmissions

ufakeit

thanks for all the help. im just going to go back to a s20 tranny then as it will probably be easier to find. unless i come accross a s40 for a good price. and im probably going to go with a longer geared tranny.