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Thread: z7 and arrow spine

  1. #1
    Join Date
    Mar 2005
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    East Tennessee
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    z7 and arrow spine

    Okay Z7 owners what kind of spine are you finding the Z7 likes best.

    PSE Source TT Smackdown Pro, B-Stinger,GT 55/75 Arrows, HHA OL-5519 Muzzy Trocar Broadheads, JBK Strings


  2. #2
    Join Date
    Jan 2010
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    SW Iowa
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    I got my z7 last friday and 55/75 shoot good. I will be trying some 75/95 soon for magnus bullheads and try them with other broadheads too.

  3. #3
    Join Date
    Aug 2009
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    Rocky Mount, NC
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    I tuned a Z7 for a buddy this past weekend, and wound up with 28.75" ACC 340's at 65#, 28.5" DL, and 125gr tips. Shot bullets through paper and he grouped 4 field tip arrows in 4" at 50 yards (and he aint that good a shot). Have not tried fixxed blades yet.
    Hit where you aim.

  4. #4
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    28/70
    Easton Axis 28.5"-340s
    They shoot great
    E32 Stormy Hardwoods NATURAL
    Breathn Strings
    STORMY HARDWOODS PRO STAFF

  5. #5
    Join Date
    Feb 2006
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    Gt 75-95..
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    2014-2015 Team #24 - Team Center Punch

  6. #6
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    Mar 2003
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    Carbon Express Maxima 350 black or camo depening on draw length and poundage you shoot..
    Mathews Apex 7 / Helium
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  7. #7
    Join Date
    Feb 2010
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    South East Alabama (Enterprise)
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    28.5 / 73# shooting Easton ST Axis (29") and Flatlines (27") in 340s.

  8. #8
    Join Date
    Oct 2009
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    Francesville, Indiana, United States
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    Mine is 65 lb and 28" arrow at 29" draw and it likes 340 spine. Even with lite point weight
    Elite Tour,Elite E35
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    Bass & Bucks Wabash Indiana 260/569/1853
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  9. #9
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    Mar 2003
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    Texas
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    Maxima 350

    Maxima 350"s are .345 spine ( Black shafts)
    (.337 with the hunter ).
    Mine shoot great with the .345 spine maxima arrow at 65# with a 28.5 draw..
    Mathews Apex 7 / Helium
    Trophy Taker rest, Rip Cord Code Red rest
    Sword Sights
    TRU Ball release
    Bucknasty Custom Strings

  10. #10
    Join Date
    Mar 2010
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    Wisconsin
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    559
    So far I've shot Gold Tip 55/75 and Maxima 350 through mine. Both fly well but I give the Maxima the nod here. I shoot 29" at 70lbs.

  11. #11
    Join Date
    May 2007
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    Glad to see this thread. I've worked on a z7 all night trying to shoot paper with a 250 maxima hunter, 100 gr.tip, 63#, 28''. It's not my bow so when the guy left i shot a 5575 through it and did very well, bullet at 6', 8yds, and slight low tear at 16 yards. The 250's were right tear, worse right tear, and left tear from the same distances.

  12. #12
    Join Date
    May 2006
    Location
    Illinois
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    2,469
    75/95 gt 70#

    Red arrow archery llc staff Team Illinois

  13. #13
    Join Date
    Nov 2008
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    Minnesota
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    393
    i shoot 28"/70# with mine i shoot a
    carbon express maxima 250 26 3/4 long 356 grns
    307 fps

  14. #14
    Join Date
    Mar 2004
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    nova scotia
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    I found the z7 liked a stiff arrow spine much bette than a weak one.I went with .340 flatlines,they group and tuned awesome.

  15. #15
    Join Date
    Aug 2009
    Location
    Calhan, CO
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    GT 7595 Shoot great I had troubles once I got over 15% FOC, but I ve only had it for 3 days so im still tinkering.

  16. #16
    I found that by switching from gt55-75 to easton flatline 400 spine , I got 11 fps...and thats even including unibushings and g-nocks...I love my z7...its an awesome bow.

  17. #17
    Join Date
    Nov 2009
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    BC Canada
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    842

    Gt 400

    I have GT Ultralight Pro 400 spine with 85 gr tip.

    They are grouping very well.
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    Hoyt Carbon Spyder Turbo

  18. #18
    im new to this forum so i dont know how to statr new threads...but does anyone know wher to buy the harmonic dampners for the z7...the colored ones?

  19. #19
    Join Date
    Mar 2004
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    Midland, Michigan, United
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    I shoot a 29" gt ultralight with a 75 gr tip 333gr total weight flys great 320 fps at 65 lbs
    Control the shot and you will control the arrow!
    Bares sport shop staff shooter
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  20. #20
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    Quote Originally Posted by E11PIPEMAN View Post
    im new to this forum so i dont know how to statr new threads...but does anyone know wher to buy the harmonic dampners for the z7...the colored ones?
    Sent you a pm

  21. #21
    Join Date
    Jun 2009
    Location
    Southern Lancaster County, PA
    Posts
    634
    66#, 30" draw Z7. Shooting 30" CX Maxima 350 Hunters, 406 gr.

  22. #22
    what is a pm?

  23. #23
    Join Date
    Feb 2006
    Location
    Northern Minnesota
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    Quote Originally Posted by wvbowhunter09 View Post
    28/70
    Easton Axis 28.5"-340s
    They shoot great
    Same numbers here with the Axis nano's. And I agree, they shoot great.
    Steve

    "It's a Navy Seal type bow. It works by pulling it back and shooting it."

  24. #24
    I was shooting Easton Axis N-fused 340's with my DXT, but OT2 said that these are a little under spined for my z7. These arrows haven't grouped as well as they did out of my DXT. I ran the Axis' numbers through OT2 for the DXT and they are a little stiff for the DXT. So, I decided that maybe them being a little underspined for my z7 was the reason they weren't grouping well.

    I decided to go with Beman ICS Hunter 300's. Weigh the same as the Axis arrows, but stiffer. The 300 spine matched up more closely to what I was shooting before with my DXT in terms of stiffness. Going to switch from a 100grain tip to 125 gr. I haven't gotten the Beman's yet, shop had to order them. I hope this will help.
    BowTech Experience CPX, Montana Black Gold Ascent, B-Sting Pro Hunter stabilizer, TightSpot quiver, Easton Axis FMJ, Rocket Meatseeker Broadheads

  25. #25
    Join Date
    Jan 2006
    Location
    Independence, KS
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    The best thing you can do is download a trial version of OT2 and run your set up. I have found that the old standby of arrow selection (60 lbs = 400 spine, 70 lbs = 340 spine, etc.) doesn't apply to all of the newer bows out there. Todays bows are more effecient and some have hard aggresive cams. Therefore delivering more energy and speed into the arrow. I went with 340 spine on my 60 lb reezen, because ontarget suggested it. I am glad I did it shoots broadheads like darts. The real test is getting the arrow to shoot broadheads well.

    Howard Hill Red Hawk 68" 46@28
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