guys, help me out here..i'm drivng a satria 1.3(M) which is about 10 years old. my mech recommended that i change the engine to 4G91...so yestreday he calls me up and says that someone wants to sell a 4G91 for RM2800 but dah jalan 140000km alrd, my engine now dah jalan 170000...another friend wants to sell a 4g91 also, but it's RM2900, auto, don't know how many km dah jalan..so how? both complete sets, wiring, dashboard, fuel tank etc.