Madtuner ECM and TCM Review - 2005 Cadillac STS N* - Page 2
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Cadillac STS Forum - 2005 through 2012 Discussion, Madtuner ECM and TCM Review - 2005 Cadillac STS N* in Past Cadillac Vehicle Discussion; Charles the dyno was before the tune, after looking at the dyno madtuner said that the car was running pretty ...
  1. #16
    ezed1's Avatar
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    Charles the dyno was before the tune, after looking at the dyno madtuner said that the car was running pretty good being semi modded and that I may see little to no gain in power, but we will see after the next dyno, I installed the tune today, so far the only thing that really stands out as of rite now is that when the car starts it doesn't rev up as high as it once did it also shifts better in auto before I would get on a hill and it would take a while before it would shift but now it senses the load and shifts quicker also I haven't changed to premium gas yet I will post the second dyno soon,

  2. #17
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    Quote Originally Posted by ezed1 View Post
    ...it also shits better in auto...
    Ha ha. Sorry, I'm juvenile
    ezed1, ezed1, mckellyb and 1 others like this.

  3. #18
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    LOL! that is funny
    Quote Originally Posted by orange57 View Post
    Ha ha. Sorry, I'm juvenile

  4. #19
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    Premium gas is recommended in owners manual but hey if you've been driving it using med grade enjoy some bp Amoco premium lol. I'm impressed with dyno since rated at 320 it's not much as a loss

  5. #20
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    Humm!! Charles that is saying a lot , I have been using shell 89 since having the car but I would occasionally put BP Amoco 89 in and I did think that the car had a little more pep in its step!! :-) so Bp Amoco Premium it is (so it be written!) LOL

  6. #21
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    I'm not a fan of BP. Before the merger with Amoco, I had gotten bad gas from a couple of their stations. Standard & Amoco were always good but spendy. Exxon/Mobile - not so much.

    Shell was my favorite. But around Milwaukee, its all the same crappy E10, anyway, coming from the same pipeline. Only the additive package varies and price-fixing is required by Wisconsin state law (they will prosecute sellers priced below market).

    My neighborhood Tri-Par is Top tier. I may as well give them my money.

  7. #22
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    shell chevron bp all are good down here in atl lol. I like sunoco too. And I need to get my gtp tuned first then sts since sts is a gas guzzler, ill park my sts in storage and drive gtp as my daily so ill be saving $$$$

  8. #23
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    I don't see Sunoco or Chevron here.

  9. #24
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    Ezed you get those dyno results for after tune? I am seriously considering getting both Tcm and ecm tune from mad tuner. I have intake and axle back exhausts. How was the install?was it easy could I do myself? What sort of gains should I be expecting? Should I bring my car to a shop for this or can I do it in my driveway with basic tools?

  10. #25
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    Cadzilla8 I will have dyno result on Tuesday, check your inbox

  11. #26
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    What I find most appealing is the faster shifts in manual mode and a more aggressive sport mode.

    Did the Mad Bunch ever crack MRC? I'd like to see the Touring setting be more complaint (but maybe that's just the AWD).
    ezed1 and ezed1 like this.

  12. #27
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    Quote Originally Posted by EChas3 View Post
    What I find most appealing is the faster shifts in manual mode and a more aggressive sport mode.

    Did the Mad Bunch ever crack MRC? I'd like to see the Touring setting be more complaint (but maybe that's just the AWD).

    EChas3,

    I've done some experimenting on the 05-06 F55 module, but not enough. I'm interested in exploring it some more. Does anyone know which of the STS configurations (including original tire size options and export/AWD versions) had the softest and harshest ride quality?

  13. #28
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    Cars with the pcz performance handling package i would assume were the worse.

  14. #29
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    I found mine so stiff that softening it became a high goal of my tire choice and pressure maintenance. I now run 235/50R18's @ 30F-29R with no load or passengers. The tire label calls for 255/45R18's in the rear & 30 psi all around. Here are all my RPO's that are even remotely suspension-related on my 2006 AWD 1SG.

    6SD - COMPONENT SUSPENSION
    7SD - COMPONENT SUSPENSION
    8HJ - SUSPENSION
    9HJ - SUSPENSION
    F55 - CVRTD MAGNETO RHEOLOGICAL
    FE3 - MAGNETIC RIDE CONTROL
    GU5 - AXLE REAR, 3.23 RATIO
    JE5 - 17" PERFORMANCE BRAKES
    JJA - PT DRESS SUBASSEMBLY INSTALLED
    LH2 - 4.6L NORTHSTAR V8 VVT 320 HP
    MV3 - ALL WHEEL DRIVE
    MX7 - MERCH. TRANS
    N87 - 18" POLISHED ALUMINUM WHEELS
    NV7 - PREMIUM ZF STEERING GEAR
    Q12 - MICHELIN P235/50R18 FRONT P255/45R18 REAR W-RATED TIRES

  15. #30
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    Re: Madtuner ECM and TCM Review - 2005 Cadillac STS N*

    Alright, over the next couple of days' commutes, I'm going to run through all factory variations and then compare the results. I will then enhance the one that is better overall.

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