Hi guys, recently a 89 toyota soarer popped up for sale. If i can get it for a good price I was thinking of doing a few mods to lower fuel consumption. Its a pretty heavy car weighing at 1450kg, with the 2000cc 1G GTE twin turbo engine. It also comes with an auto trans as you know autos guzzle more fuel. I hear that the 1G GTE runs too rich stock from factory. Question is, can i do something to the ECU perhaps with a SAFC to reduce the fuel supply or richness to reduce fuel consumption. with the auto trans normal driving should yield 12l/100km which is pretty steep. If i could get some one to tune the engine to be less rich and perhaps swap gearbox to W58 manual with a 4.3 diff to rev lower (with auto its 4.556 diff understandably). My goal is with the ECU tuning and the gearbox swap to get it to 10l/100km. Has anyone any experience with tuning this engine for fuel economy and not for power ? I am not a kaki race , just want to ride in style, as long engine dont semput while accelrating its fine by me.