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Dyno, shmyno. Anyone with a tuned base car raced a stock GTS?

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Old 10-25-2019, 02:10 PM
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SeeForce
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Originally Posted by spdracerut
Well, when is there a 'need' for anything Headers are a big power adder and improve the noise too. No clear data on the ICs however.
Anything quantifiable on what headers add?

Originally Posted by spdracerut
The V105 Cobb tune was calibrated for road course use. I saw them testing at COTA myself. Hence why the V105 tune is also quite neutered (7-8psi less in the mid-range from what others have said) compared to the earlier maps.The new torque curve is much flatter/linear.
v105 is MUCH more drive-able, but I must say it was fun to go from stock to v104 stageII 93!!!

Old 10-25-2019, 02:38 PM
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Originally Posted by SeeForce
Anything quantifiable on what headers add?



v105 is MUCH more drive-able, but I must say it was fun to go from stock to v104 stageII 93!!!
Vektor - completely stock S otherwise
https://motoiq.com/testing-vektor-pe...911-carrera/8/

Kline - soul cats, full exhaust, tune
https://rennlist.com/forums/991/1109...l#post15412924

Regardless, headers are a for sure power adder. On par, if not greater, than high flow cats.
Old 10-25-2019, 06:03 PM
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Rennolazine
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Honestly the GIAC stage 1 map feels alot faster and more responsive than the v105 map, with the base turbos at least. If u have a manual T and headers/HF cats and youre looking for a great tune (with clean logs) giac gave me a slightly revised map that pulls like a missile with instant boost that is much sharper than oem. I think peak boost is 21-22 psi but it hits 17 immediately when you gun it. I highly recommend it. I think thats about where the T safely maxes out. The v102-v103 maps were way too aggressive IMO and the v105 is the exact opposite.
Old 10-26-2019, 02:28 PM
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Originally Posted by Rennolazine
Honestly the GIAC stage 1 map feels alot faster and more responsive than the v105 map, with the base turbos at least. If u have a manual T and headers/HF cats and youre looking for a great tune (with clean logs) giac gave me a slightly revised map that pulls like a missile with instant boost that is much sharper than oem. I think peak boost is 21-22 psi but it hits 17 immediately when you gun it. I highly recommend it. I think thats about where the T safely maxes out. The v102-v103 maps were way too aggressive IMO and the v105 is the exact opposite.
Can maps be shared? Specifically, could someone with a Cobb accessport install Giac tune? asking for a friend...
Old 10-26-2019, 02:41 PM
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I called them for another friend last week. You have to send them the ecu they wipe it and reset the flash counter. Cant be done remotely unfortunately



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