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I know this question ask for many times, i lazy to browse thru the thead lah...so kindly give some replylah.

Dear all sifus,

I planned to change my engine ( 4g 15 )...... to which ?? I am driving wira 1.5 manual ( FI ).

I know 4g91 is famous....any other ?? like 4g63, 4g63T

Which require hassle-free maintenence ? I mean easy to maintain like 4g15.
which Can use for long long time one ( i didn't plan to change my car for another 10 years ) ?
Reasonable fuel consumption.....like RM 50...