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PCD 2CV WHEELS?
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TONY ENGLAND
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PostPosted: Thu Mar 27, 2008 5:44 pm    Post subject: PCD 2CV WHEELS? Reply with quote

What PCD is the standard 2cv wheel, anyone know???
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JoZeF
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PostPosted: Thu Mar 27, 2008 5:48 pm    Post subject: Reply with quote

3x140 I believe
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Last edited by JoZeF on Mon May 05, 2008 12:24 pm; edited 1 time in total
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björn
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PostPosted: Thu Mar 27, 2008 8:18 pm    Post subject: Reply with quote

uuuuh! whats PCD Question
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backfire
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PostPosted: Thu Mar 27, 2008 8:22 pm    Post subject: Reply with quote

björn wrote:
uuuuh! whats PCD Question


I guess dutch word for that would be steek, so -» de steek van de eend bouten is 130mm
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björn
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PostPosted: Thu Mar 27, 2008 8:24 pm    Post subject: Reply with quote

aaahhh i whas ride thanks backfire
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JoZeF
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PostPosted: Fri Mar 28, 2008 7:22 pm    Post subject: Reply with quote

PCD = Pitch Circle Diameter

Wink
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Joolz
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PostPosted: Mon May 05, 2008 1:23 am    Post subject: Reply with quote

I've just been measuring my hubs, PCD = 160mm surely?
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JoZeF
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PostPosted: Mon May 05, 2008 12:25 pm    Post subject: Reply with quote

Hi

yeah, the actual PCD is 161,66 mm

I was talking about the distance between lugholes... which is 140, not 130 mm Embarassed

Laughing
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Olli
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PostPosted: Mon May 05, 2008 5:04 pm    Post subject: Reply with quote

Then the bolt pattern should be marked 3x140? (or 3x146 if measured like 5 bolts pattern??)

Here is how counting goes whit 4-5-6-8 lugs, but how it goes in 3 lugs?



-Olli
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Joolz
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PostPosted: Tue May 06, 2008 12:59 am    Post subject: Reply with quote

I've never seen that way of measuring a five stud(lug) wheel before. I think all wheels fitments should be measured by PCD, this guy gives a good explaination of what it is, the imaginary circle made by all the studs.

http://www.tyresave.co.uk/choose.html
http://www.carbibles.com/tyre_bible_pg2.html

And here is a list of wheel fitments all shown as PCD, including the 5 stud ones (interesting, but none fit 2cv)
http://www.carlsalter.com/wheel_fitments.html

I measured my spare hub again, (with a cheap vernier caliper) and the gap between 2 studs was 126.25mm, and the studs are 12mm diameter.

A bit of work with a calculator says the PCD is 159.6mm, close enough that I think it is really 160mm.

When engineers design stuff they allways specify PCD, not the distance between studs/bolts, and even Citroen choose easy numbers to work with when they can, when PCDs are wierd sizes like 5x139.7 it's because it was designed in inches 139.7mm = 5.5in.

The lesson is, if you are going to get adaptors or something made, give the hub to the guy doing the machining so that he can measure it himself.
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JoZeF
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PostPosted: Tue May 06, 2008 1:00 am    Post subject: Reply with quote

On 3 lugs you go from center of one lug, across to the edge of the circle that goes through the center of the 3 lugs, which gives you 3x160

but everyone talks about 3x140 (distance between 2 lugs)
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Joolz
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PostPosted: Tue May 06, 2008 1:21 am    Post subject: Reply with quote

not everyone Wink Laughing
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deuch'n'roll
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PostPosted: Thu May 29, 2008 3:36 pm    Post subject: Reply with quote

3 holes on a circle of 160
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Jacob
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PostPosted: Thu Aug 14, 2008 10:05 am    Post subject: Reply with quote

Olli wrote:


As you can see, for the 4-, 6- and 8-lug pattern, the actual diameter (PCD) is measured.
I have always understood that way of measuring the 5-lug pattern as a way to approximate the PCD with the simple measuring tools you have in your garage, i.e. a ruler. In other words: It is not the correct way to measure, but a simple way to get very close to the correct measure.

/J
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cxt2
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PostPosted: Fri Aug 29, 2008 4:29 pm    Post subject: Reply with quote

http://www.comp.co.uk/info/technicalinfo.asp#

Good information about wheels
And btw Citroen visa has 3x115 pcd

Also helou to you all from Finland(terve vaan)

I hope i get my first post right Very Happy
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