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  #1  
Old October 5th 2005, 19:13
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Wheel Offset Calculators

Good for comparing where you are at with potential new rims:
http://www.1010tires.com/WheelOffsetCalculator.asp

Throw some more in this thread so we get a good listing since many take different approaches.
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  #2  
Old October 6th 2005, 12:05
R2.0 R2.0 is offline
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It's not a generic offset calculator per se, but CSP's Wheel Calculator can be very useful - it shows its' results graphically, which makes things really pop.

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  #3  
Old October 10th 2005, 12:10
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eh mine own is still better, it gives turing circle loss.
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  #4  
Old November 27th 2005, 12:56
PJL54Oval PJL54Oval is offline
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Just an FYI since I just found this out. OFFSET is often referred to as ET which stands for EinpressTieffe in German. Here is a good diagram

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  #5  
Old February 19th 2006, 01:22
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OK, so I'm new here and I apologize if this is duplicated info!
I've been doing a lot of research and found this in the February 2005 HotVw's.
The info comes from Jon Chabot from TopLine
I tried to scan it, but it didn't take, so I recreated it! I hope this helps!
Like I said before, I'm sorry if this is repetitive!
According to the article in the magazine, This is a chart for fitting 17's under stock fenders of a 1302 or 1303. The article says that the 17's will fit under the fender with no problems. The problems occur when you try to lower the car and stick those super positive offset wheels under the fender. The article was written assuming you use 17X7's with the rubber listed on the chart. The article also cautions that your wheel spacers should be correctly machined.

Last edited by ccain529; April 8th 2006 at 00:35.
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  #6  
Old April 10th 2006, 15:43
Diego74 Diego74 is offline
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ok im very new to vws and I have a 1303 74 so to my understanding to this is if i want to go with 17 by 7 wheels the et should be 55 for all 4 wheels with the use of a 3/8 spacer on the rear. I want to stay stock fenders all the way around and dont want to come to clearance issues. i also understand the rotors need to be drilled to fit the bolt pattern. any info on this would be a big help.
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  #7  
Old January 7th 2007, 00:14
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Quote:
Originally Posted by ccain529 View Post
OK, so I'm new here and I apologize if this is duplicated info!
I've been doing a lot of research and found this in the February 2005 HotVw's.
The info comes from Jon Chabot from TopLine
I tried to scan it, but it didn't take, so I recreated it! I hope this helps!
Like I said before, I'm sorry if this is repetitive!
According to the article in the magazine, This is a chart for fitting 17's under stock fenders of a 1302 or 1303. The article says that the 17's will fit under the fender with no problems. The problems occur when you try to lower the car and stick those super positive offset wheels under the fender. The article was written assuming you use 17X7's with the rubber listed on the chart. The article also cautions that your wheel spacers should be correctly machined.
does the same go for the rear of a 72 standard bug, with a 40mm-50mm offset?front i assume id have to narrow.Also would same rules go for a 15x7 or 15x6.5 in rear?
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  #8  
Old March 16th 2007, 16:25
pantswagen pantswagen is offline
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http://www.928.org.uk/pdf/offsets.pdf


http://www.944racing.de/reload.php?u...ngewichte.html
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  #9  
Old April 27th 2007, 13:25
Veedub Veedub is offline
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Im seriously not understanding this.Does the same go for a 15 and 16" rim also?If I got a rim that was 15x6.5 and had a +50mm et, would they stick out the front and the rear?
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  #10  
Old April 27th 2007, 23:29
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I am not sure where your confusion lies but a 15-inch rim and a 16-inch rim only differs in diameter. That has no direct effect or relationship with the width or offset of a wheel.

My wheels are 6½ inches wide with a 42mm offset. They do not stick out on my stock 1302 fenders. In fact, I have 6mm spacers on the front and 8mm on the back.

There is a relationship with overall widths and diameters of tires thanks to the aspect ratio of tires.
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  #11  
Old April 27th 2007, 23:35
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ok so, if a wheel is a 15x6.5, and has a +50 offset would they fit in to far or stick out?
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  #12  
Old April 27th 2007, 23:49
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Using the very first link in this thread, you will see your wheels will stick out 8mm less than mine (assuming I didn't use the above mentioned spacers) but your inner clearance would be 8mm less. The inner clearance issues may involve your suspension choice and perhaps other things depending on the model of car you are working with.

It has been a long time since I made my move so I don't remember the exact dimensions I was dealing with under there. I did not use the spacers for extra inner clearance, however.

It is going to take a lot of measuring and calculating to get a degree of certainty. I remember that much very clearly.
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  #13  
Old April 28th 2007, 00:26
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oh ok, i guess i wasnt getting how you guys were calculating the size spacers you would need, but if i use and addapter thats a .5" i wont need a spacer right?
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  #14  
Old April 30th 2007, 02:57
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Yes, a half-inch adaptor would act like a half-inch spacer in the measurement department.
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  #15  
Old October 19th 2007, 19:53
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here is an awesome wheel/tire calculator

[click on pic]

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