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  1. #1
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    84 mph...

    On speedo only- dry lake bed.

    12 lbs rear tires...16 front- stockers.
    Speedwerx stage 1 ECU
    Cat delete
    Purple secondary clutch spring- Speedwerx
    Typical dezert setup- just me in the car...little over a half tank

    Might have done more- I backed off...didn't get to look at the tach either.
    izom likes this.

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    Quote Originally Posted by Total Loss View Post
    On speedo only- dry lake bed.

    12 lbs rear tires...16 front- stockers.
    Speedwerx stage 1 ECU
    Cat delete
    Purple secondary clutch spring- Speedwerx
    Typical dezert setup- just me in the car...little over a half tank

    Might have done more- I backed off...didn't get to look at the tach either.
    Interesting. I need to pop the new clutch in, and see what I can do with 32's. And trying to decide if I wanna do the speedwerx, alba or SpeedSxS tune...

    I havent checked the speedo to see how close it is on GPS...

  3. #3
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    After putting in the speedwerx stage II exterminator kit I got 80 mph and it was sitting at 8700 rpms. Room to grow. Running 32” also.
    18 XX Ltd Mystery Machine..
    18 XX green black
    14 120 zr
    12 M8 153

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  5. #4
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    Elevation was 2800 ft also. I only have the ECU, stock header, stock muffler with cat delete and stock intake.

  6. #5
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    ...thats about 135kmh- not bad! ;- ()
    Total Loss and Bricoop like this.
    wildcat 1000 limited 2013,5

    H1 650 TRV 2009

  7. #6
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    I'd be curious to see how close the speedo is to GPS with the stock tires. It is probably pretty accurate. I got to 82 on GPS with 32" Motohammers and the speedo was at about 77
    IUEC Local 8
    The elevator guy!

    I had a 2012....cracked engine case stock, then w/ MCX Turbo and STM Clutch broke 2 crankshafts, and blew up 2 rear diffs,

    Then got a 2014 X Limited....leaked oil since new, bent crankshaft, and cracked the stator cover....

    Got a RZR XPT..hauls ass, rides great, handles terrible, sucks in the whoops

    Now....Speed XX #32

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    84mph is moving. Was that at El Mirage or one of the dry lake beds near Cal City?

    What is the XX governed too stock?

  9. #8
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    Quote Originally Posted by sand shark View Post
    84mph is moving. Was that at El Mirage or one of the dry lake beds near Cal City?

    What is the XX governed too stock?
    El Mirage...no wind. About 80 degrees and the car was not fully up to temp yet...so pretty cool.

    It actually felt like it would go more.

    Stock it would do 75 and bounce off the limiter.

  10. #9
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    Quote Originally Posted by sand shark View Post
    What is the XX governed too stock?
    75mph

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    Quote Originally Posted by Total Loss View Post
    El Mirage...no wind. About 80 degrees and the car was not fully up to temp yet...so pretty cool.

    It actually felt like it would go more.

    Stock it would do 75 and bounce off the limiter.
    The motor had more, but I am guessing gearing was about tapped. Throw some 32" tires on there for a few more MPH.

  12. #11
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    I have to say...if anyone is on the fence about the ECU reflash...do it.
    Car runs smoother...Quicker throttle...snappier...Way faster top end...
    Now I also did the cat delete which helps with the "snappyness" of the throttle and the secondary spring.

    Combined...I like it a lot...came back with the permagrin.
    Now I thought it would start up easier...but it does not- almost harder to start now with a little hesitation at times. Just stay on the key until it lights up completely.

    And much cooler- even running in 93 degree temps. Runs below 1/2 on the gauge. The fans come on sooner- like 180 start I think.

    And I am sticking to 30's...no need for 32's for me...not racing this thing. Clutch feels good.
    Probably go DOT 30 next time around for the street.

  13. #12
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    Quote Originally Posted by sand shark View Post
    The motor had more, but I am guessing gearing was about tapped. Throw some 32" tires on there for a few more MPH.
    84 is way too fast for me anyway. My huevos have shrunk over time.

    As they say, "The older I get...the faster I was"...
    mtgott, izom and lugnut like this.

  14. #13
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    Quote Originally Posted by Total Loss View Post
    84 is way too fast for me anyway. My huevos have shrunk over time.

    As they say, "The older I get...the faster I was"...
    LOL! I had my X3 up to 94mph a few times on some dry lake beds. The last one my belt said no more on the dry lake bed just outside of Baker.

    I have seen some of the desert race UTVs are hitting over 100mph, which will be no problem when then start running the 33" tires next race season.

  15. #14
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    Quote Originally Posted by sand shark View Post
    LOL! I had my X3 up to 94mph a few times on some dry lake beds. The last one my belt said no more on the dry lake bed just outside of Baker.

    I have seen some of the desert race UTVs are hitting over 100mph, which will be no problem when then start running the 33" tires next race season.
    IMO- They are ruining the class by continuing to enlarge the tire size...and they are ruining the courses.
    Next up will be 35's. (one guy in our group is running 35 BFG's now on his Max.)

  16. #15
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    Quote Originally Posted by Total Loss View Post
    IMO- They are ruining the class by continuing to enlarge the tire size...and they are ruining the courses.
    Next up will be 35's. (one guy in our group is running 35 BFG's now on his Max.)
    35” tires is too much on a UTV. I saw the new 33” Tensor tire when I was at Kartek last week. It is a big tire, but weight wise not too bad.

    The BFG 32” tire some of the teams run measures close to a 33” tire. I think 33” is a good tire size for the race UTVs. They are getting faster and are pretty close to a class10 car in size.

    Trophy Trucks on 40” tires are what is tearing up the course.


    Sent from my iPhone using Tapatalk


 
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