Hello, i have a 1995 acura integra, l.s, manual tranny.i currently swapped out the engine, replaced clucth and upgraded throttle body to a skunk2, now the issue is that the car runs fine for about 30 min and after that the transmission wont shift into any gear, at this point for some reason car idles really high at about 5 r.p.m, im not sure what it could be.