michael.konor
forum member
Tuners and others in the know:
Is it common for tuners to turn off the LTFT and why? Fuel mileage? Performance?
Is it common for tuners to turn off the LTFT and why? Fuel mileage? Performance?
It's common during the tuning process. All it takes is turning off adaptive learning. I've left it off before when I had a paxton because of the maf backwash in their standard suck through maf location. The car still ran fine and it didn't learn any bad habits from the poor maf location.
Should it be done automatically by tuners? You mention that you left it off before, but not always?
Thanks.
Bruce,
Would you ever consider a thread on tuning ? Im a pretty mechanic hands on type guy but I dont know shit about tuning a modern vehicle. I leave this to the expert(Lito) but I would really enjoy reading about tuning and differences between lets say, NA, SC or Turbo.
You probably already know this but I'll say it anyway just in case. Short term trims are instant feedback from the o2 sensor. Long term corrections are predictions that are learned from short term data. As long as the maf transfer function is good the motor can run perfectly fine with stft only.
You won't get anywhere in this forum dissing Lito. To second what Fred said, Lito is one of the best 3v tuners out there... period. My combo was an absolute monster that NO ONE could tune. I was running my own tune using the old Predator system and the car was barely driveable. Lito wrote both gas and E85 tunes for my setup (5.4L 3v w/twin turbos) with custom heads/turbo cams, custom exhaust, custom turbo headers, no VCT, and 50 million other nit-noid things that I can't remember... at an altitude of 7300ft. My car made 1018 rwhp on E85.This Manuel guy don't know his ass from a hole in the ground., I've been emailing this crackhead for two days give him all the information he needs and he want call you..but he emailed me back he can't help me because I hadn't give him proper information he said...I told him my mods built motor so forth so on sent pictures..I think this dude does like cold air intakes and simple mods I'm out of his league