My new mods: first impressions
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Your comparison of GIAC to EVOMSit would be very interesting to people still sitting on the sideline. I assume both cars are at similar "stage" of ECU mod?
Does what you feel similar to the description below, from a poster comparing APR to GIAC?
>>>>>>>>>>>>>>>>>
https://www.6speedonline.com/forums/...-system-2.html
hi andrew this is khoi from canada it has been a while since our last talk i didn't had a chance to give you some feed back on my back to back experience between your performance 93 oct flash and my previous apr 93 oct program on my otherwise stock 997tt so here it goes if that can help anyone:
1) yours seems to make more hp especially after 5000rpm but it the same smooth curve as stock this is especially good on track where smooth and high rpm is the norm
2)yours max boost is 1.2 bar in sport mode
3)no error or malfunctionning or cel even on track
4)APR program feels more powerful though ie more torque (kick in th ***) in the street zone which is from 3500 to 5000 rpm and really change the overall character of th power delivery so more difficult to modulate on track but more fun on the streets and in higher gears
5)APR max boost is 1.0 bar but gets there quicker even if i'm not quickly depressing the gas pedal whereas giac is like stock you have to mash the throttle to put it in overboost
6)APR eliminates the overboost button/function they told me their program doesn't need overboost which can be actually easier that way
7)APR program made my electric driver seat stop functionning after a week the problem was solved after a factory reflash on the seat though
all in all in a nutshell from my personal point of view:
APR better kick in the pants more torque less fiddling with the sport button(i hate having to push the sport button every time AND the suspension button back on normal pasm for street driving to put it my way) less stable program???(ie computer in seat, pasm?)
GIAC smoother, more hp higher in the engine range, very stable , more max boost
there hpoe it helps everyone
Does what you feel similar to the description below, from a poster comparing APR to GIAC?
>>>>>>>>>>>>>>>>>
https://www.6speedonline.com/forums/...-system-2.html
hi andrew this is khoi from canada it has been a while since our last talk i didn't had a chance to give you some feed back on my back to back experience between your performance 93 oct flash and my previous apr 93 oct program on my otherwise stock 997tt so here it goes if that can help anyone:
1) yours seems to make more hp especially after 5000rpm but it the same smooth curve as stock this is especially good on track where smooth and high rpm is the norm
2)yours max boost is 1.2 bar in sport mode
3)no error or malfunctionning or cel even on track
4)APR program feels more powerful though ie more torque (kick in th ***) in the street zone which is from 3500 to 5000 rpm and really change the overall character of th power delivery so more difficult to modulate on track but more fun on the streets and in higher gears
5)APR max boost is 1.0 bar but gets there quicker even if i'm not quickly depressing the gas pedal whereas giac is like stock you have to mash the throttle to put it in overboost
6)APR eliminates the overboost button/function they told me their program doesn't need overboost which can be actually easier that way
7)APR program made my electric driver seat stop functionning after a week the problem was solved after a factory reflash on the seat though
all in all in a nutshell from my personal point of view:
APR better kick in the pants more torque less fiddling with the sport button(i hate having to push the sport button every time AND the suspension button back on normal pasm for street driving to put it my way) less stable program???(ie computer in seat, pasm?)
GIAC smoother, more hp higher in the engine range, very stable , more max boost
there hpoe it helps everyone
I had a difficult time following the APR/GIAC post. However, I do agree that from what I've read, and what I experience, the GIAC tune is smooth, stable, and has quite a bit of max boost (17 psi). I've had no CELs, and no other strange behavior (well, my car that is).
I also have an '09 C63 AMG that I modded with KLEEMANN (headers, high flow cats, and their ECU tune). KLEEMANN's tagline is, "comfort power". This means they have solid, powerful tunes, but don't take the tuning to the absolute limit.
So I'm sure there are ECU tunes for the TT that give greater HP and TQ, but for me, I'd rather have a tune that does not tax the car too much.
However, if I were tracking my car, I'd probably go with a different setup.
Hope that helps.
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