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APE studs
- fat z
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- DoubleDub
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- fat z
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- DoubleDub
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kzrider.com/index.php?option=com_kunena&...d=2&id=317332#317433
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- Injected
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With the nuts only and stock studs you should only be going to the recommended factory torque setting because the stock studs have a thinner diameter thru the middle section where as the HD version is thicker and made of better steel... the stock studs will strip out under high torque.
The HD nuts are stronger and won't crack under high torque loads, plus they are longer to make up for a milled deck or head so they won't bottom out on the stud end.
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- mark1122
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- Keep twisting it
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76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.
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- APE Jay
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- larrycavan
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Seriously..... I just had this discussion on Friday night with a guy at the track with a $9 Harbor Freight torque wrench. His head gasket is leaking and he swears it wouldn't take any torque after the rebuild.
Then he pulled out his HF torque wrench
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- DoubleDub
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- TerryK
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1977 KZ1000
GSXR swingarm and rear brake
WM6 rear Akront rim
Wiseco 1075c pistons
33 smoothbores
stage 3 Web Cams
Head porting
Dyna S ignition
Lockhart oil cooler
Wiseco header
1980 Z1R drag bike
1200cc
38 Flatslides, .
500' cams
7" slick
Dyan 4000 SP ignition
etc
Ontario, Canada
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- mark1122
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Make sure the stock nuts aren't bottoming out on the top of the studs. Sometimes the HD don't get seated as deep in the cases. I've seen this problem many times.
Good point. thats why ape nuts have no top cap. they can be drawn down farther if u mill the head .
i actually had the opposite problem and needed to shim my studs up.
the stock studs are fine for a stock motor. the problem occurs with high compression pistons (motors ). the stock studs will stretch under load, so the ape studs are stronger to prevent stretching.
76 KZ, frame gusset work,1200CC.Ported by Larry Cavanaugh, 1.5mm.over intakes, Carron Pipe, ZRX12 rear end, and seat,96zx9 front end.
01 CBR600F4i Track bike.
Cobourg, Ont. Can.
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~ (k) / (z)
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- APE Jay
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Actually our Kawasaki nuts do have a top on them, but we have designed them so it is impossibly to mill the head far enough to make these nuts bottom out on the stud.
That is why they are called "Tall Nutz"
kzzone.com/studs.html
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