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Discussion Starter · #1 ·
do both of this mods the same or is one better? I tried the ettc mod below 3800rpm absolutly no power...... I checked the power with the g-tech with sequentiel and ettc no gains at all, realy nothing.

1994 Toyota Supra Turbo 6spd
1,539 Posts
i dont think it's about the powergain at all. just different POWER BAND.
my car has the ETTC mod and the good thing about it over the permanent TTC is that i can switch back to sequential anytime (at idle)!
in ttc mode, the low end isn't as responsive as sequential taht's for sure but it builds gradually from 3000-5000.. almost like a small single turbo :)
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