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  1. #51
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    Hahaha, what?
    meaning the power band on the Benz is nice and fat.

  2. #52
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    Click here to enlarge Originally Posted by Laloosh Click here to enlarge
    meaning the power band on the Benz is nice and fat.
    Yes, it isn't bad on this particular V8 (M157) which has pretty good torque down low but you wrote since it is a V8 in general. Also, just because it is a big motor doesn't mean you can be just ignore gear and RPM only that it can mask it better.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  3. #53
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    Pretty sure he's not an idiot and knew to start in the right gear. If the rpm is slightly lower then optimal it really doesnt matter on that motor. And yes v8s in general have a nice fat band....

  4. #54
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    If you are in the wrong RPM it still matters.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  5. #55
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    here we go....if the rpm is not optimal and you are in the right gear it is not the end of the world on that car.

  6. #56
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    You want to be at the right RPM and it still matters, V8, V12, whatever. As stated, torque masks it but it is a factor and matters.

    It's the end of the world if the race is close enough that you lose because you were in the wrong gear or at the wrong RPM.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  7. #57
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    No kidding however racing only from the speeds that favor you is being biased. They should have run from the speed chuck wanted as well.

  8. #58
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    It wasn't my race I'm pointing out it does matter.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  9. #59
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    And I'm saying as long the the right gear was chosen that it doesn't really matter.

  10. #60
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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    If you are in the wrong RPM it still matters.
    This is true. From 30 is bad for C63. Can't be in 1st. Have to be in 2nd where it bogs. Not the optimum rpm.
    C63 Tuned Only 60-130 in 8.71

  11. #61
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    Click here to enlarge Originally Posted by JonsC63AMG Click here to enlarge
    This is true. From 30 is bad for C63. Can't be in 1st. Have to be in 2nd where it bogs. Not the optimum rpm.
    i smell bull$#@! no reason you cant be in 1st, and if for some reason that were to be true, 2nd wouldnt bog

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    i smell bull$#@! no reason you cant be in 1st, and if for some reason that were to be true, 2nd wouldnt bog
    There are some MPH's where it isn't best for you.

    When I would run my friend in his STI he liked to be in second but that was the end of first for me. If I went out of first, I would hit the limiter almost instantly. If I went out of second, I was just at slightly too low of an RPM.

    If we lowered the speed to both go out of first, the DCT shift time on the 1-2 would instantly give me a car and he hated that.

    So, you can pick speeds that will help or hurt you depending on the setup, etc.

    Stage 2 or 2.5 E9X M3 S65 V8 supercharger kit for sale
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  13. #63
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    i smell bull$#@! no reason you cant be in 1st, and if for some reason that were to be true, 2nd wouldnt bog
    1st goes to 42mph. Too high rpm.
    C63 Tuned Only 60-130 in 8.71

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    Click here to enlarge Originally Posted by Sticky Click here to enlarge
    There are some MPH's where it isn't best for you.

    When I would run my friend in his STI he liked to be in second but that was the end of first for me. If I went out of first, I would hit the limiter almost instantly. If I went out of second, I was just at slightly too low of an RPM.

    If we lowered the speed to both go out of first, the DCT shift time on the 1-2 would instantly give me a car and he hated that.

    So, you can pick speeds that will help or hurt you depending on the setup, etc.
    Couldnt explain it better myself.
    C63 Tuned Only 60-130 in 8.71

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    Click here to enlarge Originally Posted by JonsC63AMG Click here to enlarge
    1st goes to 42mph. Too high rpm.
    42 mph and 30 is too high? why, because it smokes the tires probably, not because its a bad speed. thats your issue, not the cars

  16. #66
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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    42 mph and 30 is too high? why, because it smokes the tires probably, not because its a bad speed. thats your issue, not the cars
    Yes it would spin bad and hit the rev limiter right after.
    C63 Tuned Only 60-130 in 8.71

  17. #67
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    chuck was on street tires right?

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    chuck was on street tires right?
    Not sure. But he had superlight wheels. Which he said.
    C63 Tuned Only 60-130 in 8.71

  19. #69
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    lol , my wheels were not superlight AT ALL... they are Advan RZ wheels with 235/40 and 265/35 tires... wheels weight 19lbs and tires weigh 26lbs each... if you want to get technicle you have conti DWS on instead of your factory run flats that prob save you more weight than my setup does... My setup weighs 2-4lbs each less than my stock wheel/tires did... (215&235) Rims are not the only thing you can save weight on.. GO on tire tire Conti's DW and DWS are actually the lightest performance oriented tires out there. I could of and thought about but chose to go with a nice size setup for road manners and stiff sidewall, went with conti DWS or I should of went with DW because I would of saved 19 lbs total on tires , and that would be rolling weight. This is stuff only we are crazy enough to pay attention to though, lol...

    If I was going for light weight I would of put 215 or 225 upfront and 245 in the rear and went with a light tire and wheel like LTW5's , K1's, or GTS-R... the Kuhmo Ecsta XS tires I have on there are actually way above average as far as weight is concerned, but I got all 4 for a crazy good deal so i said F it...

    this is the stuff that makes me shake my head... my look nice set of summer rims turns into superlight race wheels that stick like glue and shave .6 off a first gear pull... lmfao

    I had a set of kosei's with 215 up front and 245 nt555rs that I sold because I didnt want to have stupid looking wheels on my car to save a half - full car lenth... My radial setup is on stock z4 wheels that weigh MORE than my OEM wheels.. dumb, yes. But its what I could get at the time...

  20. #70
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    Sorry that grammar was atrocious and I was on my iPhone lol

    Moral of the story was prob gotten reading the first line tho lol

  21. #71
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    chuck, we already know what to expect w/jon. a fender is buslengths if he loses (rare in itself) fender is trainlengths if he wins, 1mph is 10mph for what he can gain, ect..

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    Click here to enlarge Originally Posted by LostMarine Click here to enlarge
    chuck, we already know what to expect w/jon. a fender is buslengths if he loses (rare in itself) fender is trainlengths if he wins, 1mph is 10mph for what he can gain, ect..
    Hahaha.

  23. #73
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    Lol I wish I could do a 30 roll! I'm spinning in 3rd now. Click here to enlarge

    I ran Jon with a 50 additive on map 3 but had fuel/timing issues and we were dead even to like 125. Terry told me today that map 3 50 additive isn't 18 psi. Bastard. Click here to enlarge anyway map 6 with proper additive and fuel/timing is dialed in now. See you guys Sunday. Bringing a FBO DCT 335is with me.

  24. #74
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    PS here is the Map 3 curve that we throw an additive on. Also factor in that the JB4 is notorious for running less than target even on BT board.

    So 17.8 target is actually like 16.8 lol, tapering to 13-13.5.


    psi_curve[0] = 95 '1500
    psi_curve[1] = 100 '2000
    psi_curve[2] = 100 '2500
    psi_curve[3] = 110 '3000
    psi_curve[4] = 115 '3500
    psi_curve[5] = 120 '4000
    psi_curve[6] = 122 '4500
    psi_curve[7] = 128 '5000
    psi_curve[8] = 125 '5500
    psi_curve[9] = 110 '6000
    psi_curve[10] = 100 '6500
    psi_curve[11] = 90 '7000

  25. #75
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    i was always a fan of custome map 6 , meth and racefuel

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