Q: is it possible to put an rsx engine into a 90 integra?? is possible.. what do I need??
A: It's possible but very, very expensive. The K-series engines are ridiculously overpriced still. You could easily spend $10K+ just on the engine, tranny, ECU, engine mounts, and let's not forget that your car isn't wired for any type of VTEC system. It's not worth the money. Why don't you just get a B18C1 engine from a 1994-2001 Integra GS-R. It'll be easier to do and you can do more stuff to it. It's like Honda's version of the 350 engine. There's tons of aftermarket stuff for it and it will take whatever you'll dish out. The K-series is suppose to be better and it probably is but IMHO it's just different. Also, disregard what that last answer said about Integras being ugly. If they're so ugly, why is it that they never had a problem selling them? The RSX, on the other hand, was discontinued because of slow sales. It was redesigned to the RSX style not because of lagging sales. It was just time to redesign the car. It sold very well. that's why the Gen3 Integras were sold from 1994-2001. The Gen 2s (1990-1993)were great too and I still see a lot of them on the road. Rarely do I see RSXs. They are nice looking but the Integra was sportier driving with its double wishbone suspension and a lower beltline (-especially the 1990-1993 models). Gotta love the visibility.