Maybe cars that run on crank angle sensor that are tuned on MT/LT-4 have the option to do ignition timing as i have tried it on my civic-r turbo. You can ask around if your car runs on distributor and can lt/mt-4 do the ignition timing.
Guys, sorry to interrupt into the forum, but me and my dad looking around for MR2, today only we already "interview" 2 MR2 (one in cheras yellow color with veilside bodykit (correct me if im wrong) and another one...