almost all aftermarket ecu can tune ignition timing. But i suggest u not to tune it by yourself if u r not a tuner bcoz if u make mistake when tuning I/T can coz engine blow. Plz pm me if u need more info.
I need some suggestion or advice if i want to add on turbo kit for my Silvertop engine (4AGE-20V)!!! Please anybody have x;perience for this engine ... please tell me how much cost and what brand of turbo kit to...