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2.7 dyno charts

Discussion in '4 Cylinder' started by tooter, Jul 9, 2013.

  1. Aug 30, 2013 at 3:33 PM
    #81
    jmarquez808

    jmarquez808 Large Member

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    ooooh greg! do i get a discount when you start selling since i bought ur muffler :) :) :) he he he
     
  2. Aug 30, 2013 at 4:58 PM
    #82
    Greenbean

    Greenbean B.S. Goodwrench

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    Sounds great boss,

     
  3. Aug 30, 2013 at 5:17 PM
    #83
    DonziGT230

    DonziGT230 Gearhead

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  4. Aug 30, 2013 at 6:52 PM
    #84
    tooter

    tooter [OP] play every day

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    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
     
  5. Aug 31, 2013 at 5:34 AM
    #85
    Greenbean

    Greenbean B.S. Goodwrench

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    Lol...

    Very true,
     
  6. Sep 1, 2013 at 9:09 AM
    #86
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    Not with the Hawaii shipping cost.
    I basically sold the muffler for $15! :laugh:

    When I work out my production costs I'll post the price, and it'll be fair. :)

    Greg
     
  7. Sep 1, 2013 at 12:40 PM
    #87
    jmarquez808

    jmarquez808 Large Member

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    Lol yah I know, now ur gonna have good karma!!! ;)
     
  8. Sep 1, 2013 at 12:53 PM
    #88
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    That's funny... but you know it actually does work out that way. ;)

    Greg
     
  9. Sep 1, 2013 at 12:54 PM
    #89
    jmarquez808

    jmarquez808 Large Member

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    **Afe cold air intake w/pro dry filter, Yellow tint fogs, Daytime running lights, led dome light, led license plate lights, Led tail lights, 3 inch carbon antenna, spec d projector headlights, carbon fiber look interior trim pieces, Djm control arms, Djm notch, 4x4 leaf springs, beefed taco 2 inch blocks with offset pin, Rear Qa1 Shocks, Sittin sic stock height coils, x runner bilstein front shocks, weathertech digital fit floor mats, debadged.
    Yes saah!
     
  10. Jul 12, 2014 at 9:20 AM
    #90
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    Got some more 2.7 dyno runs to post up. This thread is helpful in that they can all be found in one place minus a lot of surrounding text. :)

    This is a head to head comparison between the stock 2.7 muffler, and a 22 inch long 5x11 oval Magnaflow muffler.

    [​IMG]

    This one is a head to head comparison between that same 22 inch Magnaflow and a Flowmaster 50 Series Delta Flow muffler.

    [​IMG]

    Here's all three together.

    [​IMG]

    All of these runs were 4th gear so the speed limiter cut them off at 4,700 rpms. That's the equivalence of 110 mph.
     
    Last edited: Jul 12, 2014
  11. Jul 12, 2014 at 9:56 AM
    #91
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    This is run up to redline we did in 3rd gear to get around the speed limiter. Using URD's baseline 2.7 dyno run of 119hp 133 tq shows a difference of +28hp and +28 tq.

    [​IMG]
     
    Last edited: Jul 12, 2014
  12. Jul 13, 2014 at 7:55 AM
    #92
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    Just one more chart from the muffler shootout... :)
    This is the Flowmaster compared to the stock muffler. The factory muffler line would have done better if it started at as a low rpm as the Flowmaster run. We actually got the dyno to begin recording at only 900 rpms. I've never seen any dyno chart begin that low.

    [​IMG]
     
    Last edited: Jul 13, 2014
  13. Jul 13, 2014 at 8:06 AM
    #93
    jeff b

    jeff b Well-Known Member

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    Subd cause who doesn't love a lil extra power? Thanks OP, good stuff!
     
  14. Jul 13, 2014 at 9:11 AM
    #94
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    Thanks, man. :)

    Another item worth noting...
    The stock torque peak is 3,800 rpms. My engine with the stock muffler hits its torque peak at 2,900 rpms. Now look closely at the Flowmaster run. It meets and surpasses the stock muffler torque peak at 2,800 rpms.

    So now there is dyno documentation of three specific mods, all of which shift the torque peak lower in the rpm range.

    1. LCE long tube header 650 rpms
    2. Tooter intake manifold spacer 250 rpms
    3. Flowmaster Series 50 Delta Flow muffler 100 rpms

    With these mods the torque peak is achieved 1,000 rpms sooner than a stock engine... and as well all three increase the torque peak itself. This is an improvement of 25% over a factory stock engine. :)


    Greg
     
    Last edited: Jul 13, 2014
  15. Jul 13, 2014 at 9:52 AM
    #95
    Dangerdave

    Dangerdave Buy a Jeep and TW folks lose their minds

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    crap now that means that I have to get a muffler as well as the header.. C'mon man.. youre killing my wallet haha
     
  16. Jul 13, 2014 at 1:05 PM
    #96
    tooter

    tooter [OP] play every day

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    2012, std cab, 5 lug, 2.7, 5 speed
    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    I hear ya... I spent almost as much on dyno testing as on the parts themselves! :laugh:
    But it's all in good fun. :)


    Greg
     
  17. Jul 13, 2014 at 6:18 PM
    #97
    Torspd

    Torspd Tor-nication

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    It truly bugs me when shops don't scale the HP and TQ to the same numbers. Just a personal preference.
     
  18. Jul 13, 2014 at 8:10 PM
    #98
    tooter

    tooter [OP] play every day

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    Built for maximum low end torque, tooter II.VII intake manifold spacer, LCE long tube header, Injen long tube intake, 2,900 rpm torque peak.
    That's a good point, Tor. Jeez, I didn't event think of it I was so excited about the results. :facepalm:

    I'll see if Harry can send me some forced scale charts. When I get them I'll replace what's posted.

    Thanks,

    Greg
     
  19. Jul 13, 2014 at 10:49 PM
    #99
    RdRunr

    RdRunr Well-Known Member

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    LCE header, Flowmaster 50 Series Delta Flow muffler
    Even better, see if he can give you the raw data. That way, it can be pumped into Excel and scaled and plotted any way you want! He was just plotting different runs and then saving the images. Hopefully there is a way to export the actual data. If you like, I can stop by on the way to work one day and have a look. :D
     
  20. Aug 17, 2014 at 7:53 AM
    #100
    Johnny99

    Johnny99 Member

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    topper
    Good stuff, do you think that similar mods to my 98 2.4 auto will have similar results? My tires are only 195/75R14 . So far I have just replaced the air filter to an AFE.
    My main goal is to achieve more power for towing / carrying a camper through the mountains.
     
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