 5 LUG Conversions, Here's what I found |
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| barefoot |
 Dec 16 2013, 05:18 PM
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#1
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Senior Member  Group: Members Posts: 1,410 Joined: 19-March 13 From: Charleston SC Member No.: 15,673 Region Association: South East States 
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My ride had 5 lug adapters installed when I got the car, just got into taking the rear suspension off yesterday and took adapters off for the first time. My 5 lug bolt pattern is about 115 mm, so not standard Porsche 130 mm pattern. The adapters used one of the original holes in the hub for a longer stud, then had 4 others pressed into the adapter. How do you get 115 out of 130 using one of the hub holes ???
There I fixed it, sorry for poor proof read.  here's how, an offset stud. Anyone seen any of these befiore? Spacers are 21mm thick and die cast, no idea who made them.  |
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| rnellums |
Dec 16 2013, 06:00 PM
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#2
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Professional Enthusiast Group: Members Posts: 1,673 Joined: 26-November 09 From: Littleton, CO Member No.: 11,072 Region Association: Rocky Mountains |
Terrifying.
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| Mike Bellis |
Dec 16 2013, 06:02 PM
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#3
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Resident Electrician Group: Members Posts: 8,347 Joined: 22-June 09 From: Midlothian TX Member No.: 10,496 Region Association: None 
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You need to throw away you metric measuring tape. 315mm = 12.4" Bolt pattern and 121mm = 4.7" thick spacer.
Offset studs are an old cheap way to change wheels around. I would not reuse them. They look scary! |
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| SirAndy |
Dec 16 2013, 06:03 PM
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#4
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Resident German Group: Admin Posts: 42,245 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(rnellums @ Dec 16 2013, 04:00 PM)  Terrifying. (IMG:style_emoticons/default/agree.gif) (IMG:style_emoticons/default/blink.gif) |
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| SirAndy |
Dec 16 2013, 06:04 PM
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#5
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Resident German Group: Admin Posts: 42,245 Joined: 21-January 03 From: Oakland, Kalifornia Member No.: 179 Region Association: Northern California |
QUOTE(Mike Bellis @ Dec 16 2013, 04:02 PM) You need to throw away you metric measuring tape. 315mm = 12.4" Bolt pattern and 121mm = 4.7" thick spacer. (IMG:style_emoticons/default/laugh.gif) |
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| TargaToy |
Dec 16 2013, 08:24 PM
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#6
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-NONSOLIS RADIOS SEDIOUIS FULMINA MITTO- Group: Members Posts: 713 Joined: 26-March 10 From: DelMarVa Peninsula Member No.: 11,509 Region Association: MidAtlantic Region
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315.....AROUND. (IMG:style_emoticons/default/biggrin.gif)
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| CG-914 |
Dec 17 2013, 01:27 AM
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#7
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Member Group: Members Posts: 326 Joined: 27-December 10 From: LA/OC CA Member No.: 12,526 Region Association: Southern California |
QUOTE(Mike Bellis @ Dec 16 2013, 07:02 PM) You need to throw away you metric measuring tape. 315mm = 12.4" Bolt pattern and 121mm = 4.7" thick spacer. Offset studs are an old cheap way to change wheels around. I would not reuse them. They look scary! Metric all the way!!!!!!!!!!! (IMG:style_emoticons/default/beer.gif) |
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| McMark |
Dec 17 2013, 03:12 AM
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#8
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914 Freak! Group: Retired Admin Posts: 20,180 Joined: 13-March 03 From: Grand Rapids, MI Member No.: 419 Region Association: None |
315 = 115 + typo. (IMG:style_emoticons/default/poke.gif)
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| finchmunoz |
Dec 17 2013, 09:52 AM
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#9
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Newbie Group: Members Posts: 37 Joined: 3-July 11 From: Manila, Philippines Member No.: 13,272 Region Association: None |
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| Markl |
Dec 17 2013, 09:30 PM
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#10
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Member Group: Members Posts: 75 Joined: 14-September 09 From: Colorado Member No.: 10,802 Region Association: Rocky Mountains |
Offset lugs weren't uncommon back in the day - I think they're still available, at least in the LBC world. Never heard of any problems. Of course, normally you'd use 4 or 5 to change to a different lug layout.
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| barefoot |
Dec 20 2013, 05:04 PM
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#11
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Senior Member Group: Members Posts: 1,410 Joined: 19-March 13 From: Charleston SC Member No.: 15,673 Region Association: South East States
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QUOTE(Markl @ Dec 17 2013, 10:30 PM) Offset lugs weren't uncommon back in the day - I think they're still available, at least in the LBC world. Never heard of any problems. Of course, normally you'd use 4 or 5 to change to a different lug layout. it's too bad that they didn't just keep the 130 mm bolt pattern, then no fancy offset stud needed. Guess lots more wheel choices with the 115 (or so) bolt pattern. |
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