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.
hahah don't think this will be useful, but just want to share the pain to miss our beloved car when we are out of town. I do believe some of us here have to leave the car at home and gone oversea for...