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bugspray

Post subject: how to talk wheels

Posted: Wed Mar 03, 2010 7:03 pm

Transmission

Joined: Thu Jun 26, 2008 4:18 pm
Posts: 2318
Location: Durbz-Ballito Pretoria-Faerie Glen
What model do you have?: 75" badass bug
Facebook: http://m.facebook.com/profile.php?r0d306f00&refid=7

Here's a link to the different words associated to wheel lingo, PCD, Ofset etc

http://www.usacomp.com/terms.htm

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More than meets the eye!

theqs

Post subject: Re: how to talk wheels

Posted: Wed Mar 03, 2010 9:18 pm

Oil Seal

Joined: Wed Jan 07, 2009 7:13 pm
Posts: 407
Location: East Rand
What model do you have?: 1964 + 1973

Hi there,

I often hear people talk about the width of a rim in tems of J, EG: 4.5j.

How do i tell or measure a wheel width with a J EG what would the J size be if I had a rim that was overall rim width of 200mm and a rim width of 180mm?

Thanks

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"Life is like a box of Chocolates, your bound to get some nuts"

''There is something Real about that little car, Something that dosen't even have a name.'':Jim Douglas

Springer

Post subject: Re: how to talk wheels

Posted: Wed Mar 03, 2010 9:38 pm

Flywheel

Joined: Tue Jan 15, 2008 1:30 pm
Posts: 550
What model do you have?: 68'Bug 69'Bus

Dont know what the J refers to -

The "4.5 of the 4.5J" Refers to the width i.e. 15x4.5J = 115 width 15 diameter

me thinks :huh:

"Standard wheels
The 911SC came standard with 15 inch diameter wheels
and with 16 inch diameter wheels offered as options.
The original factory wheel sizes in model year 1978 were
6JX15 front and 7JX15 rear.
Approved wheels
Approved wheels for the 911SC
NOTE—
ET = Offset
Wheel size and offset (mm) part number description
6JX15 ET36 911 361 023 44 cast allu-alloy-unvarnished
6JX15 ET36 911 361 023 40 cast allu-alloy-silver
6JX15 ET36 911 361 023 45 cast allu-alloy-black lacquered
6JX15 ET36 911 361 021 00 steel silver winter wheel (perforated)
7JX15 ET 23.3 911 361 023 54 cast allu-alloy-unvarnished
7JX15 ET 23.3 911 361 023 50 cast allu-alloy-silver
7JX15 ET 23.3 911 361 023 55 cast allu-alloy-black lacquered
7JX15 ET 23.3 911 361 020 41 forged-black star rim flange polished
8JX15 911 361 020 42 forged- black star rim flange polished
6JX16 911 361 020 43 forged-black star rim flange polished
6JX16 911 361 020 97 forged-unvarnished rim flange
polished
7JX16 911 361 020 44 forged-black star rim flange polished
7JX16 911 361 020 98 forged-unvarnished-rim flange
polished"

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karmakoma

Post subject: Re: how to talk wheels

Posted: Wed Mar 03, 2010 9:38 pm

Drive Train

Joined: Sat Mar 29, 2008 9:11 pm
Posts: 3054
Location: Gauteng
What model do you have?: 76 5 door longback

Hi Neil

Apparently you measure from the INSIDE of the rim where the tyre would fit. So inside lip to inside lip.
This amount in inches (centimeters dividided by around 2.5) should give you 4.5/5.5J etc

I tried this on the rims from my bus and it worked.

theqs

Post subject: Re: how to talk wheels

Posted: Wed Mar 03, 2010 10:00 pm

Oil Seal

Joined: Wed Jan 07, 2009 7:13 pm
Posts: 407
Location: East Rand
What model do you have?: 1964 + 1973

So 180mm or 18cm would be what size J?

_________________
"Life is like a box of Chocolates, your bound to get some nuts"

''There is something Real about that little car, Something that dosen't even have a name.'':Jim Douglas

eben

Post subject: Re: how to talk wheels

Posted: Wed Mar 03, 2010 10:40 pm

Site Admin

Joined: Tue Sep 13, 2005 3:40 pm
Posts: 5082
Location: London, United Kingdom
What model do you have?: '67 Fastback
Facebook: www.facebook.com/ebenve

If I remember correctly J refers to the type of lip the rim has for sealing... the number before it is the width of the rim. EG refers to the offset of the mount where the bolts go in relation to the middle of the way between the lips of the wheel.

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