09-20-2018, 06:16 AM | #1 |
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Drives: 18 ZLE Join Date: May 2018
Location: Left Side of the Moon
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How wide space before need longer studs ?
5, 8, 10,15mm ?
Not for racing, specifically for winter wheel fitment.
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09-20-2018, 07:50 AM | #2 |
Drives: 2017 1SS/1LE Join Date: Sep 2016
Location: FL Panhandle
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It depends on the thickness of the wheel's mounting surface. The rule of thumbs is to have lug nut thread engagement at least the width of the stud. So, with 14mm studs at a 1.5mm thread pitch, you want at least 9 FULL turns on the lug nut. IIRC, I was only able to run a ~3mm spacer with some aftermarket wheels and get almost 9 full turns with OEM studs.
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09-20-2018, 08:20 AM | #3 |
ITCRNRS
Drives: 2018 ZL1 1LE Join Date: Jun 2012
Location: Wichita KS
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I thought you could get away with a 5mm before you needed longer studs.
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09-20-2018, 11:02 AM | #4 |
Drives: 2016 2SS Convertible Join Date: May 2012
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It depends on the thickness of the wheel. If the wheel is thicker than the OEM wheel then that reduces the spacer thickness. My aftermarket wheels are thicker than OEM and I used Gorilla ET lug nuts to get extra turns.
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09-20-2018, 11:12 AM | #5 |
Drives: 2017 1SS/1LE Join Date: Sep 2016
Location: FL Panhandle
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I've never even seen those. That's smart, though. That gets you another 6mm of contact length.
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