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Discussion in 'Ideas and Suggestions' started by Scrungo Bungo, May 16, 2018.
would it be possible to add a boost by gear feature?
i know its a real thing, but just how common is it really?
more common than you think. vw uses it in every turbo car they make now, ford in the rs and st, and some bmws do it. lots more examples exist too.
its very common in drag cars for more traction off the line but its also used in a lot of production cars
Wait. Are you talking 2 step launch systems or are we talking boost by gear. Because they are both different.
he means less boost in lower gears for more traction in drag cars, i was also a little confused about if he meant 2-step or not lol
Do you have any papers / links concerning this?
i realized i may have been spouting bs that i saw on youtube videos, so i decided to look around for some stuff.
"The Ford has deep levels of technical knowledge in its front suspension and electric power steering to both limit torque steer and also give the ST great abilities on fast laps. Even so, the boost is limited to about 9 psi in the first three gears." - 2014 Ford Focus ST
"Gear Based Torque Limits (stock tune):
1st - 147.5 lb-ft
2nd - 199.1 lb-ft
Reverse - 132.8 lb-ft
3rd-6th - 737.6 lb-ft (unlimited)" - Ford Fiesta ST, the only forum post i could find that doesn't just say 'boost is limited in gears 1-3' (no source credited)
i'm assuming torque limits are from boost limits, and not some type of ESC wizardry(ESC is claimed to be off in most forum posts about it.)
couldn't find anything about vw or bmw. sorry for wasting your time.
and sorry for not finding any actual credible sources to quote from.
This is what I found on the web about this, it might be something to do with the Turbocharger, firstly what I said before was wrong it looks more like Turbochargers than anything else but the link below is to what I found on the web
Boost By Gear Limits
Ok cool, I just wanted some idea if and how stock cars actually have this feature. Since they do, might be something to look into in the future.
Well at least I tried to do some digging into it I am wondering if @Scrungo Bungo has a Honda based vehicle
The Saab 93 Viggen has this feature I believe, but it may be something else.