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Thread: Boss Intake install and dyno

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  1. #1
    Senior Member Wharf Rat's Avatar
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    Boss Intake install and dyno

    Got my intake yesterday and installed it. Took me 2 hours following the great instructions from LRS.

    http://www.mylrs.com/blogs/lrs/archi...tallation.aspx



    This thing is huge. Looks like a composite tunnel ram for an old FE or something. Check out the valley! Engine burritos hell... could cook a 15 pound turkey in there! The pics don't do it justice.





    I went with a BBR tune. I have gotten 3 tunes from teim and the AFR's have all been spot on.

    Here is the graph. The car has a BBR tune, JLT CAI, Magnaflow O/R X-pipe, Magnaflow catback, and the BOSS intake. Run 9 is same setup with stock intake.



    It cuts off a little early but looks exactly like everyone else's Boss intake dynos. Loss of 10-20 hp and tq from 3500-5500, dead even from 5500-6500, and huge gains from 6500-7500. If you extrapolate where those lines are going the gains at 7500 are 40+ rwhp. Don't let the loss of midrange scare you. I couldn't notice it but I sure as hell can feel something is up that last thousand RPM before my Raptor lights up (7,500)!
    2012 GT500 543/533 11.7@120
    1995 5.0 minute or two per lap

  2. #2
    Junior Member 2011 GT/CS's Avatar
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    hell ya man, you had some good runs at firebird the other night, what was your best pass

  3. #3
    Senior Member Wharf Rat's Avatar
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    Had a 12.39 and few 12.4's at Firebird last night but today I clicked off a 12.17 and a pair of 12.3's at Speedworld.
    2012 GT500 543/533 11.7@120
    1995 5.0 minute or two per lap

  4. #4
    Senior Member WildBill's Avatar
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    Quote Originally Posted by Wharf Rat View Post
    Had a 12.39 and few 12.4's at Firebird last night but today I clicked off a 12.17 and a pair of 12.3's at Speedworld.
    Did you get any vids?
    WILD BILL
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    Junior Member 2011 GT/CS's Avatar
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    good runs man, that thing is fast. Im going to try and get my CAI and tune soon

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    Super Moderator 4Jenna's Avatar
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    Car is flying, congrats!

    I want one :)
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  7. #7
    Senior Member Wharf Rat's Avatar
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    Thanks, still about 2 tenths slower than what I wanted, though. I think I'll need better than 2,500 ft DA's to hits 11's as it sits. If you get one get an auto. The auto 5.0's are FLYING!

    Actually I do have in-car vids. I'll try to post 'em up this week.
    2012 GT500 543/533 11.7@120
    1995 5.0 minute or two per lap

  8. #8
    Senior Member Wharf Rat's Avatar
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    vid of the 12.17....
    2012 GT500 543/533 11.7@120
    1995 5.0 minute or two per lap

  9. #9

    Tune go rich up high??

    WharfRat, I also have a '11 GT. I put the Boss Manifold on last night and got it dyno'd today. I also have a tune from BBR.

    Did you make any dyno pulls above 7000? On my pulls the tune went pretty rich around 7200 - 7300 and the power dropped noticeably. Posted on the LRS forums asking if this was normal.

    Last edited by sovapid; 04-06-11 at 02:53 PM. Reason: Did not get it dyno tuned, just dyno'd

  10. #10
    Senior Member WildBill's Avatar
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    Quote Originally Posted by sovapid View Post
    WharfRat, I also have a '11 GT. I put the Boss Manifold on last night and got it dyno'd today. I also have a tune from BBR.

    Did you make any dyno pulls above 7000? On my pulls the tune went pretty rich around 7200 - 7300 and the power dropped noticeably. Posted on the LRS forums asking if this was normal.

    It's too fat all the whole curve for a N/A car.
    WILD BILL
    PRO-AMERICAN

    TorchRed 2003 MACH1 (Louise)
    "I remember my fallen brothers so that they may live on."
    ΜΟΛΩΝ ΛΑΒΕ

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