Trifecta stage 3 questions...
08-12-2010, 01:11 AM
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Trifecta stage 3 questions...
On Friday as long as everything goes as planned, I am getting a local tuner to do trifecta stage 3. My car is gm stage 2 with 77.9 pulley and injen intake, that's all. Do I need to pulley down at all? Can I without cooling or exhaust?
08-12-2010, 07:36 AM
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Not if youre getting the GM Stage 3 setup custom tuned by Trifecta. You can run any pulley size you desire. The GMS3 PCM/tune as it comes from GM is calibrated for the 76 mm (2.99") pulley. I suggest the GMS3 pulley over the GMS2 pulley though. You will make a little more power with it 
*I recommend you get some cooling & exhaust mods though. The GMS3 tune benefits from a high flow exhaust setup, and having a cool intake charge is always a plus as well !
*I recommend you get some cooling & exhaust mods though. The GMS3 tune benefits from a high flow exhaust setup, and having a cool intake charge is always a plus as well !
08-12-2010, 09:22 AM
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Ah that's what I figured. I'm gonna get the tune done, but the dual pass and exhaust will have to wait till next paycheque as I am getting new pirellis this paycheque as well. I'm not gonna do any wot runs till cooling mods next week. Thanks
08-12-2010, 08:09 PM
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Yea I really can't wait to get it. I'm looking for a 2.9er right now. Will any 2.9 pulley bolt onto my stg 2 hub? Oh one more question, should I run 1 step colder plugs?
08-12-2010, 08:55 PM
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ZZP sells pulleys that work using the gm stage to hub, http://zzperformance.com/cobalt_ion/...=613&catid=142
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