Originally Posted by JDMprelude92
**** it man just find some mounts and get an sr20det in it
ull not regret it and u'll have like the fastest sentra around
since its so damn light
but if he wants something more practical...
smoking...one cause might be...too much motor oil?
dirty catalytic converter?
idling problem...ignition coil (the same problem that my car had a long time ago)
mal functioning fuel pump?
old oil filter?
anyways, these are just guesses...its best that you check with a licensed mechanic when you go to a shop or something.