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salam 1 kangkung

i'm planning to buy used nissan terrano and change into sr20det auto

but terrano weight will make this engine struggle

terrano weight= 1540 kg - 4x4 system about 100 kg =1440 kg curb weight

nissan silvia = 1200 -1300 kg

my question is;

is that possibble to detuning sr20det to get low end power ?high torque at lower rpm

need to change turbo n intercooler system?

or this suggestion is impossible to implement?

i'm not speed demon ,just need for...