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Cadillac ATS Technical Discussion Forum Discussion, Bad News Racing and Trifecta Performance were busy this week..... in Cadillac ATS Discussion Forums; Originally Posted by turbo2.0 First pull did 242.1 hp and 297.2 ft lbs uncorrected on a dynojet Just to confirm, ...
  1. #61
    Hoosier Daddy's Avatar
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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    Quote Originally Posted by turbo2.0 View Post
    First pull did 242.1 hp and 297.2 ft lbs uncorrected on a dynojet
    Just to confirm, that pull for was stock engine, factory tune, stock intake and stock exhaust?

  2. #62
    turbo2.0 is offline Cadillac Owners Fanatic
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    Confirmed, though I found out that he didn't have it in sport mode. Car made 258.0 hp and 308.4 the second pull

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    The vehicle is only suppose to be tuned in sport mode, but I'm starting to question that

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    bungee91 is offline Cadillac Owners Fanatic
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    Quote Originally Posted by Hoosier Daddy View Post
    factory tune?
    So that'd be a no then.

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    The #'s are also odd that you always make more TQ than HP in that our LTG always seems to make more of the opposite. Stock #'s 272HP and 260TQ, and supposed tuned 320HP 300TQ. Both have higher TQ than HP.

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    turbo2.0 is offline Cadillac Owners Fanatic
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    Actually it would be a maybe, no need to be a prick

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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    So you did a pull before you installed the tune then after. Or did you do a pull not in sport mode to get a baseline then put it in sport mode to get the tune which should only be in sport mode. Is that correct? I'm so confused

    Also, what octane is your fuel? 91 or 93?

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    bungee91 is offline Cadillac Owners Fanatic
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    Quote Originally Posted by turbo2.0 View Post
    Actually it would be a maybe, no need to be a prick
    I actually wasn't being.. I appreciate the numbers, but he clearly asked stock everything "factory tune" and you replied confirmed.. I do understand it is selectable with the sport button though. Those #'s being what they are would have to be not stock regardless.

  7. #67
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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    Quote Originally Posted by turbo2.0 View Post
    Confirmed, though I found out that he didn't have it in sport mode. Car made 258.0 hp and 308.4 the second pull

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    The vehicle is only suppose to be tuned in sport mode, but I'm starting to question that
    What does the manual say about Sport Mode, regarding engine performance? For many cars it would have no effect on a dyno pull, because it just does things like play with throttle response and does nothing at WOT. Do these cars allow short bursts of extra boost in sport mode?

  8. #68
    turbo2.0 is offline Cadillac Owners Fanatic
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    It is a dual map PCM, so when in touring it should be factory tune and while in sport mode the full trifecta tune should be in effect.

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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    Quote Originally Posted by bungee91 View Post
    The #'s are also odd that you always make more TQ than HP in that our LTG always seems to make more of the opposite. Stock #'s 272HP and 260TQ, and supposed tuned 320HP 300TQ. Both have higher TQ than HP.
    I don't find it very odd. Torque (as reported by a dyno) is just calculated using nothing but HP, RPM and a constant related to the units of measure being used: T= (5252*HP)/RPM. So ALL engines that can turn 5252 RPMs will have identical HP and Torque numbers at 5252 RPM. Maximum torque is higher or lower than maximum HP depending on which side of 5250 RPMS they occur at. His engine or dyno calibration was just different than the ones used for the factory figures. I suspect its mostly a dyno calibration issue. That's why dyno figures are not very useful to compare to ones from a different dyno under different conditions. You need before and after pulls on the same dyno in as close together as possible. The percentage differences under those conditions are what matter.

    Focusing on either maximum HP or torque is much less meaningful with a modern turbo engine since the relation between HP and RPM is so much different than a normally aspirated engine. That's why the turbo, even stock, is more satisfying to drive at low-mid RPMs compared to the 3.6. You really need to look at the area under the entire curve to get a feel for how an engine performs. These 2.0s torque numbers are high even at very low RPMs, which makes for a lot of area under the curve.

  10. #70
    BNRacing is offline Cadillac Owners Fanatic
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    If you have a manual it would be cruise control off = performance mode, cruise on = stock mode

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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    Can we get a posting of the dyno sheets? I have never seen so many dyno pulls without a sheet.

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    Quote Originally Posted by bravnik
    Can we get a posting of the dyno sheets? I have never seen so many dyno pulls without a sheet.
    Absolutely. I wanna see where the power is to decide to buy. The lower the RPMs the better.

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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    Bumpity bump..

    Also would love to before and after tune dyno sheets.

    Where's the vendor?..

    I believe it would be safe too assume trifecta would have a baseline stock dyno sheet? And then tuned dyno sheet. Selling a product. Or even better a customers dyno sheets.

    I know my Subaru dyno sheets are what everybody wanted to see...........

  14. #74
    bungee91 is offline Cadillac Owners Fanatic
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    Unless you don't mind paying full price, you've got till tomorrow until their 20% off sale ends.. Just wanting to point that out, in case you're on the fence.

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    I also noticed that D3 has info on their page that states they have a deal through Trifecta for their tunes also. So I think you're in good hands here. Yes I've ordered, but no I haven't gotten it yet.

  15. #75
    Nite_Hawk is offline Cadillac Owners Member
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    Re: Bad News Racing and Trifecta Performance were busy this week.....

    D3 hasn't released their tunes, yet. I'd like to see a Dyno sheet as well.

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