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tchach11
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Joined: August 16, 2011
Posts: 60
Location: Manchester, NH
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 Posted: Tue Jan 24, 2012 7:09 pm Post subject: Super Beetle Wheel Offset Chart/Graph ... Need More Data |
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I'm making a chart to show what wheels fit a Super Beetle in relation to the stock wheels. I'm trying to figure this out for myself and it's a pain in the ass, so hopefully this may help others down the line. Take a look and let me know if anything looks off. I'm trying to fit the XXR wheels in 15x7 et38 in the front and 15x8 et0 in the back.
I need a little more info to complete the chart:
1- Anyone know at what backspacing the stock springs get in the way and Topline MAXX struts or Sport+ springs are to be used?
2- Anyone know exactly where the edge of the fender lies?
3- Can anyone confirm at what backspacing a 15" wheel may hit the balljoint?
Thanks,
Tim
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LeviMan2001
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Joined: April 11, 2009
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Location: Alaska
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| Posted: Tue Jan 24, 2012 9:07 pm Post subject: |
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Nice graphic! But keep in mind '71-'73 supers have the "three bolt" struts where the '74+ have "two bolt" struts. The effect is that you have a wider track in front with a '74+ I can't remember my offset specs but otherwise I'd post them. I've got 16x6 fuchs up front on topline disc brakes in case anyone knows what those are as far as offset goes. Mine fit well with a bit of rubbing (on the settings the topline maxx struts came at).
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http://www.thesamba.com/vw/forum/viewtopic.php?t=366056 - My '73 Super Build. 2332cc, 16" Fuchs |
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Joel
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Location: NSW Australia
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| Posted: Wed Jan 25, 2012 2:51 am Post subject: |
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Stock Super Beetle rims are 4.5" et41.
Just for reference here is where the ball joint is with 7" et40 rims
That's with discs though, drums may be a few mm further in.
Also those are 17" diameter rims, for 15" you would need to trim off the excess thread from the bottom of the ball joint shaft. |
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tchach11
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Joined: August 16, 2011
Posts: 60
Location: Manchester, NH
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| Posted: Wed Jan 25, 2012 5:15 am Post subject: |
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So your wheels have a backspacing of 5.625" roughly and those balljoints look right about flush with the edge of your wheels.
| Joel wrote: | Stock Super Beetle rims are 4.5" et41.
Just for reference here is where the ball joint is with 7" et40 rims
That's with discs though, drums may be a few mm further in.
Also those are 17" diameter rims, for 15" you would need to trim off the excess thread from the bottom of the ball joint shaft. |
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tchach11
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Joined: August 16, 2011
Posts: 60
Location: Manchester, NH
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| Posted: Wed Jan 25, 2012 5:17 am Post subject: |
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I'll adjust the chart with 4.5" stock wheels.
Thanks. |
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Scott H
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Location: NorthCarolina,USA
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| Posted: Wed Jan 25, 2012 7:51 am Post subject: |
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The Bentley has a good write-up on the different stock wheel sizes/offsets.
Up to March '72, the stock wheels were 4", 40mm offset. In March '72 the stock wheel went to 4.5", 34mm offset.
'74 Supers had the 4.5", 41mm offset wheel.
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| oc92 wrote: | | I like the soul of an old car to be visible... |
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tchach11
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Joined: August 16, 2011
Posts: 60
Location: Manchester, NH
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| Posted: Wed Jan 25, 2012 10:01 am Post subject: |
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Great... Thanks!
Anybody know the distance from the front of the hub to the strut spring? I roughed it in, but a more exact measurement around where the wheel would be would be great. I would measure my own car, but it's in storage for the winter 
| Scott H wrote: | The Bentley has a good write-up on the different stock wheel sizes/offsets.
Up to March '72, the stock wheels were 4", 40mm offset. In March '72 the stock wheel went to 4.5", 34mm offset.
'74 Supers had the 4.5", 41mm offset wheel. |
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tchach11
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Joined: August 16, 2011
Posts: 60
Location: Manchester, NH
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| Posted: Wed Jan 25, 2012 1:44 pm Post subject: |
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Updated...
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bshertzer
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Location: PA
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| Posted: Wed Jan 25, 2012 2:46 pm Post subject: |
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this may help you visualize things as well.... just remember, there are 2.54cm in 1" if you need to convert.
http://www.rimsntires.com/specs.jsp
one of the best tools my wife bought me, was a Percy's Wheelrite. http://www.percyshp.com/WheelRite.html it allows you to adjust it to any number of diameters, widths, offsets etc - bolt it onto your hub/drum - and spin it to see if things hit or come close.
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tchach11
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Joined: August 16, 2011
Posts: 60
Location: Manchester, NH
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| Posted: Tue Jan 31, 2012 3:33 pm Post subject: |
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That's a sweet tool!!!
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1973 1303 Super Beetle
My 1303 Build |
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gt1953
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Location: White Mountains Arizona
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| Posted: Wed Feb 01, 2012 9:47 pm Post subject: |
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OK will the 4.5 x 15 & ET 41 fit a 73 standard? Not a super?
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Volkswagen: We tune what we drive.
Numbers Matching VW's are getting harder to find. Find one keep it Stock. You will be glad you did.
PS Wife wants a Type 3 Fastback |
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