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DURATEC Ti-VCT Performance (2012-Current) The place to chat about any Duratec 2.0L Ti-VCT engine performance, tuning and exhaust related upgrades.

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Old 02-08-2014, 12:05 PM   #51
Bcardwell101
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i wish i could get to a dyno today but im working 60+ hrs a week rite now i had to throw the new tb on the car in the parking lot at work. i dont know when ill be able to get to one.
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Old 02-08-2014, 12:09 PM   #52
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Don't worry..I think we can all understand having a busy work schedule. Lol.
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Old 02-11-2014, 08:37 AM   #53
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Interseted, personally i would say it wouldn't matter if your from stock and just swapped the throttle body, because the ecu would just cut out from being placed in the cylinders but that is my assumption.

The best way to actually gain power from this mod would be to have the ecu tunned, that ensures that it wont cut out the extra air into the cylinders, an added benefit would be a filter that breaths better as well having the snorkel delete seems to be a great to improve the air flow to the filter increasing your overall air flow.
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Old 02-28-2014, 11:13 PM   #54
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Any update on this? I'm curious myself. On my last car (06 Cobalt LS 2.2 ecotec) upgrading the throttle body to the one used on the 2.4L ecotec only introduced tuning issues and no real gains from my experience. I'm not convinced I had the best tuner though.
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Old 03-04-2014, 09:04 PM   #55
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we need some dyno numbers! i would be very interested in this if it does infact add HP.
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Old 03-04-2014, 09:21 PM   #56
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I emailed MPx about NA gains but they haven't responded yet. They probably have not tested this on an NA focus, or they did and it didn't work out haha.
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Old 03-04-2014, 09:29 PM   #57
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Not sure about any gains going from a 57-59mm with or without tuning. It may increase the throttle response slightly. If you are going to spend the money on larger throttle body I would suggest going for something larger than 59mm. 65mm on a stock ECU is pretty peppy, still not going to make any real gains without tuning though.
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Old 03-04-2014, 09:42 PM   #58
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Quote:
Originally Posted by GhostTribute View Post
Not sure about any gains going from a 57-59mm with or without tuning. It may increase the throttle response slightly. If you are going to spend the money on larger throttle body I would suggest going for something larger than 59mm. 65mm on a stock ECU is pretty peppy, still not going to make any real gains without tuning though.
Have you run 65mm on a stock tune with an mkIII? When I swapped my stock tb out on my cobalt it definitely changed the powerband but I don't believe it helped free restrictions to make more lower. I never dyno'd it and had a terrible can tune though.
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Old 03-04-2014, 10:12 PM   #59
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No sorry didn't realize this was in the DURATEC Ti-VCT Performance (2012-2013) forum... you can disregard my earlier statement... mine is on a MKI.
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Old 03-04-2014, 10:58 PM   #60
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I really doubt the throttle is a limiter on these engine.
...what was that P. T. Barnum quote?
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