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    Thread: Ecotec needs more HP

    1. #11
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      doubt it will be any help if your trying to match up a bolt pattern, plenum






      Last edited by petrified.rabbit; 10-02-2014 at 02:30 AM.


    2. #12
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      this is probably more of what you need



    3. #13
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    4. #14
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    5. #15
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      THANKS for the pics Rabbitt....Yeah that system looks like a factory set up, but 3400 euros is steep, I ve been leading towards the manifold-I really don't believe the claim, but these guys r pretty reputable overseas. As a side note, Trifecta is releasing an updated tune that says an increase of 20ft/lbs on the 1.8 @2500 RPM, better power from 4500-5500, and fixes some type of glitch in our ECU(SONIC OWNERS FORUM) and supposedly its free if u contact the vendor u bought it from. Does anyone know what flywheel would be used for an Aveo trans and a Sonic motor combo??? Im wondering if there is any clutch issues or problems with bolt patterns

    6. #16
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      Ive been reading on ASTRAOWNERSNETWORK.COM, They say the intake and tune is legit, one guy has hit 173 flywheel HP without internal work. I do have a question though, would deleting the butterfly(DCVVS?) system in the intake throw an OBD2 code. Emissions is the primary concern, perhaps a 1.8 would be a better first step

    7. #17
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      I can't say if the dcvvs would throw a code or not, I can't think of a sensor that says if it activated or not. Although that ould be a sensor i haven't looked for.

      if you have a "tuner" like trifecta, i would assume they could turn off that option. I know VW tuners often eliminate the secondary o2 sensor for one reason or another, to save emissions testing.


    8. #18
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      Well this thread is going to ramble as I contemplate my next move, what are the specs of our cams?? would custom regrinds be worth it??? honestly I don't know much about our constantly variable cams and if regrinds would even be worth it, if I went this route, I would probably go for a strong pull in the mid range-I want usable hp/trq, not a dyno queen...any thoughts??

      Meanwhile have u ecotec guys seen the ebay light weight pulleys from china?? I am tempted to free up drag, I am also looking for a flywheel to lighten in the near future...
      Last edited by Pooh Man; 10-10-2014 at 12:33 AM.

    9. #19
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      have we seen the light weight pulleys... refer to post # 2 in this thread?


    10. #20
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      Yes I seen post #2, and meant to refer to more of the quality of the parts, but I am taking your advice on trying to increase efficiency of the engine by eliminating the parasitic drag. I will be doing my timing belt as the weather breaks in spring, and have ordered a flywheel to have lightened, and am debating on the FX100 or FX200 from clutch masters. The clutch/flywheel should be done by thanksgiving, I ll update if I have any problems. Ive also been scouring salvage yards in England for VXR parts but I don't want to throw out crazy ideas n fall short, but I am looking-I would like to smoke the front tires every time I hammer the pedal...we' ll see....





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