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Phat73
Samba Member
Joined: July 05, 2018
Posts: 95
Location: Victoria BC
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 Posted: Fri Jan 18, 2019 10:02 pm Post subject: EMPI disc conversion ? |
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I am working on installing my EMPI 2 1/2" drop/disc conversion. I ordered the dual bolt pattern (14mm Porsche which I will not be using and the "chev 5x130 pattern)
This came sans any wheel studs or bolts. I am trying to ascertain the correct diameter and pitch for the "chev" bolts.
If anyone has info on this or can recommend a stud kit it would be greatly appreciated.
Thanks.
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15987
Location: North Florida, USA
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| Posted: Fri Jan 18, 2019 10:56 pm Post subject: Re: EMPI disc conversion ? |
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| Phat73 wrote: |
| I am working on installing my EMPI 2 1/2" drop/disc conversion. I ordered the dual bolt pattern (14mm Porsche which I will not be using and the "chev 5x130 pattern) |
This is the page for that same kit from Jbugs.com's site:
https://www.jbugs.com/product/22-2882.html
It says on that page, "...drilled for the 5x130 Porsche 5 lug pattern with 14x1.5mm threads and the 5x4.75 Chevrolet 5 lug with 12x1.5mm threads"
So if you are using the Chevy holes you will need to get a set of screw in studs with 12x1.5mm pitch (12mm diameter stud threads x 1.5mm pitch between threads).
12x1.5mm happens to also be the same size lug bolt pitch used on the pre-68 VW wide-5 wheels. So you should be able to use the screw in lug stud studs from the early wide-5 drums. Like this:
https://www.jbugs.com/product/9516.html
You just need to find the correct 12mm lug nuts that work with your wheels.
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AshMan40
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'67 Beetle #1 {project car that never made it to the road  }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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mark tucker
Samba Member
Joined: April 08, 2009
Posts: 23937
Location: SHALIMAR ,FLORIDA
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| Posted: Fri Jan 18, 2019 11:47 pm Post subject: Re: EMPI disc conversion ? |
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| take a rotor to a hardware store and find a bolt that will screw in them so you know for sure....pretty simple. |
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Phat73
Samba Member
Joined: July 05, 2018
Posts: 95
Location: Victoria BC
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| Posted: Sat Jan 19, 2019 11:32 am Post subject: Re: EMPI disc conversion ? |
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Thanks for the help kids. I tried a 7/16-20 in the hole...it kinda went but was pretty tight so by deduction I figures 14x1.5 was the next choice.. I prefer to use studs rather than bolts. PITA trying to get the started.
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Phat73
Samba Member
Joined: July 05, 2018
Posts: 95
Location: Victoria BC
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| Posted: Mon Jan 21, 2019 11:47 am Post subject: Re: EMPI disc conversion ? |
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Well, I got the new drop spindle and rotor fitted, went to put on my treasured 14" Chev wheels and..THEY DON'T FIT! DOH!
Seems the the inner edge of the rim hits the lower ball joint DOH! Back to the drawing board.
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ashman40
Samba Member
Joined: February 16, 2007
Posts: 15987
Location: North Florida, USA
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| Posted: Mon Jan 21, 2019 3:32 pm Post subject: Re: EMPI disc conversion ? |
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The 2-1/2" dropped spindles place the lower ball joint very close to the inner wheel surface. It just fits stock 15" steel wheels. With thicker alloy wheels the lower ball joints make contact with the 15" wheels like this:
Sorry, but unless your 14" wheels have very little backspacing they will never fit. In fact w/ dropped spindles + alloy wheels you may want to look at 16" or 17" wheels!
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AshMan40
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'67 Beetle #1 {project car that never made it to the road }
'75 Beetle 1200LS (RHD Japan model) {junked due to frame rot}
'67 Beetle #2 {2019 project car - Wish me luck!} |
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Phat73
Samba Member
Joined: July 05, 2018
Posts: 95
Location: Victoria BC
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| Posted: Sat Feb 02, 2019 10:13 pm Post subject: Re: EMPI disc conversion ? |
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thanks ashman, appreciate the input.
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