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wang970305 · 05-20-2025, 01:44 PM

Hi All,

I am looking to get a re-tune with GPI due to some hard downshift tuning issue experiencing. I have my current set-up in the signature. Is there anything else I could add on to benefit this re-tune? Not a big fan of the Heads&Cam.

Two things I am thinking are

TCM unlock
port out LT2 IM to true 95mm(I think MSD wont benefit too much since I am not camming the car)

Any other recommendations?

05-20-2025, 01:44 PM	#1
wang970305 Drives: 2021 Camaro 2SS Join Date: Oct 2022 Location: HTX Posts: 548 View My Garage	FBO recommendation? Hi All, I am looking to get a re-tune with GPI due to some hard downshift tuning issue experiencing. I have my current set-up in the signature. Is there anything else I could add on to benefit this re-tune? Not a big fan of the Heads&Cam. Two things I am thinking are TCM unlock port out LT2 IM to true 95mm(I think MSD wont benefit too much since I am not camming the car) Any other recommendations? __________________ 2021 Camaro 2SS Summit White Kooks 1-7/8'' LTH with high flow cats, Corsa Catback Exhaust, Roto-Fab CAI, Ported LT2 IM, LT5 95mm TB, Lethal Garage Flex Fuel Sensor, Mishimoto catch can, AEM Wideband.