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Old 03-27-2018, 10:51 AM
Fmjalltheway Fmjalltheway is offline
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Default Broadhead tuning helpppp

Ive tried 3 different types of broadheads,
Slick trick vipers, nap thunderheads, and muzzy trocar. My groups are tight maybe an inch if not less @ 20yrds they all shoot left 5 inches and my field points i shoot only one and remove otherwise im putting arrows inside arrows. I adjust my rest and shoot my broadheads their dead on but then my field points are off by 5 inches i shoot an elite synergy 60# with 30inch draw and arrows are easton fmj 400spine cut to 29in, advice please
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Old 03-27-2018, 02:05 PM
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Kris87 Kris87 is offline
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You need to set the rest to 13/16-7/8" centershot. Then you can move the cable guard to give you the least clearance possible. That said, if your broadheads are 5" off at 20 yards, then you're more than likely going to have to shim the cams to the right. If that kind of tuning is over your head, seek help from a competent bow shop.
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Old 03-27-2018, 06:32 PM
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Hillbilly stalker Hillbilly stalker is offline
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Curious as to what kind of fletching your using ? And have you shot bare shafts ?
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Old 03-27-2018, 07:17 PM
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Broad heads don't make a difference. Once tuned, they should all shoot the same as field points. Center shot is off. Rest needs to be shifted, then sights adjusted. If more major work on cables or cams, take it a pro for proper tuning. Try the walk back method of tuning.
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Old 03-27-2018, 08:08 PM
Fmjalltheway Fmjalltheway is offline
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Just shot a 340 spine arrow and its night and day brings me 4inches back to the right.
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Old 03-27-2018, 08:13 PM
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At 30" draw, your 400's may be borderline. Especially if you're a little over 60#.
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Old 03-27-2018, 09:42 PM
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Broad heads tend to like a little more spine. That’s why I asked about bareshaft shootings.
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Old 03-27-2018, 11:17 PM
Fmjalltheway Fmjalltheway is offline
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What do you mean by more spine?
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Old 03-28-2018, 08:03 AM
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Quote:
Originally Posted by Fmjalltheway View Post
What do you mean by more spine?
Stiffer arrow. 350 or 340 arrows.
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Old 03-28-2018, 03:29 PM
Ihunt Ihunt is offline
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Quote:
Originally Posted by Fmjalltheway View Post
Just shot a 340 spine arrow and its night and day brings me 4inches back to the right.
This. I see you figured it out. A weak spine will rear its ugly head when a broadhead is on the front.
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Last edited by Ihunt; 03-28-2018 at 03:30 PM. Reason: Spelling
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