Who really knows? (Some Japanese engineers in the powertrain group I suppose). Perhaps they had to tune the fuel mapping just a skosh to work better with their traction control system. With too much tire spin, directional control is reduced. Maybe Toyota has some kind of standard for how much they would allow the front wheels to slip upon full throttle acceleration from a dead stop. Here's just an example (I'm making this up). But it is surprising to see the real reasons why decisions are made behind the curtains. Design engineer for Toyota or not, I DON'T KNOW that for a fact. I also have my doubts that F-Sport components would be any more robust than the standard vehicles. Building vehicles is a very complex business. If we new the exact reasoning for it, I think we would be a bit surprised. I don't really want to get into a debate, or off the subject, but having worked in design for Toyota, I have my doubts that the "tuning down" of the engine has much (or anything) to do with potential damage to front end driveline components. Would anyone here have any experience with this? Has anyone here cracked into their ECU programming? Toyota is on the list, but only select vehicles, and the LS is not one of them. There's a big long list that this tuner kit applies to. It looks like I would need a) software (I would go with TOAD), and b) a "TUNER KIT." The tuner kit is the interface to the car's ECU, and is where the problem lies. I'm brand new to the ECU tuning game, and not even sure I'm going to attempt anything. The only hardware change was a new exhaust due to the old exhaust being rotted out.īut, tuning the Scamp has made me curious into what may be possible with the LS. I have used some level of technology (AFR gauge and my own tuning spreadsheets), and I have increased the power approximately 70 hp (~+35%). I've spent a lot of time and effort tuning the Scamp, it has made me want to "tune" everything, right down to the lawnmower! (Ok, not really.) While my friend who gave me the Scamp was a very competent owner, he was old school. I've never tuned anything that ran via ECU, just my old school 1972 Plymouth Scamp with an LA 360. I wouldn't expect to get much out of it because I have to believe our engine is tuned really well already. I'm kind of curious to be able to "tune" our 1UR-FSE.
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