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 Post subject: Wheel Sizes
PostPosted: Wed Aug 16, 2006 8:42 am 
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Not so much a guide, but just a picture will Im sure will clear up all your questions on how wheels are measured :)

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PostPosted: Wed Sep 27, 2006 1:00 am 
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WTF is that?
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Is that the best you can do?
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PostPosted: Wed Sep 27, 2006 8:08 am 
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:lol:

It's a wheel, and how it's measured. If you get a tape onto your alloys, they won't measure 16, or 17, or whatever size you have edge to edge, because it's measured differently.

So, side on profile view of alloys :)

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Quote Clarkson, Top Gear, 17th July: "I'm not having a stroke... just driving a Nissan!"
Quote Ry, Mallory Park, 3rd Dec: "Ahhhh crap... Just a bit too over eager really!"
"I used to be an adventurer like you, but then I took an arrow in the knee"


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PostPosted: Thu Sep 28, 2006 9:17 am 
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its a but confusing with the blue lines for the wheel and the blue lines for the measurements
JJ

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Is that the best you can do?
www.volvot5.co.uk - www.germanshepherdsuk.co.uk
2000 V70 T5 SE - 2.3, 5 cylinder, 20V, VVT, Turbo, 250bhp, cream leather, climate control, the works!


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PostPosted: Thu Sep 28, 2006 10:17 am 
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Not really, considering there are 2 shades of blue...

Image

:lol: :insanity:

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Quote Clarkson, Top Gear, 17th July: "I'm not having a stroke... just driving a Nissan!"
Quote Ry, Mallory Park, 3rd Dec: "Ahhhh crap... Just a bit too over eager really!"
"I used to be an adventurer like you, but then I took an arrow in the knee"


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 Post subject: crossbow
PostPosted: Tue Nov 28, 2006 11:43 pm 
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hmm.....im totaly lost

i thought it was a crossbow :lol:


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 Post subject: Re: crossbow
PostPosted: Wed Nov 29, 2006 3:14 pm 
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equilibrium wrote:
hmm.....im totaly lost

i thought it was a crossbow :lol:


:lol:
thats exactly what i thought initially
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Is that the best you can do?
www.volvot5.co.uk - www.germanshepherdsuk.co.uk
2000 V70 T5 SE - 2.3, 5 cylinder, 20V, VVT, Turbo, 250bhp, cream leather, climate control, the works!


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PostPosted: Wed Nov 29, 2006 7:38 pm 
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Not my fault :) It's perfectly legible to me, and I found it quite useful thanks :)

Maybe a trip to Specsavers?

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Quote Clarkson, Top Gear, 17th July: "I'm not having a stroke... just driving a Nissan!"
Quote Ry, Mallory Park, 3rd Dec: "Ahhhh crap... Just a bit too over eager really!"
"I used to be an adventurer like you, but then I took an arrow in the knee"


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PostPosted: Thu Jan 11, 2007 11:17 am 
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saw this elsewhere so did a bit of copy/paste HTH





This information & diagrams are to help you understand offsets & PCDs (Pitch Circle Diameter).

OFFSET
To work out the offset the wheel must be measured accurately using the following steps and using
Image
diagram 1
[/img]http://img.photobucket.com/albums/v712/carl010_2/diagram_02.jpg[/img]
diagram 2

Measure the overall width of the wheel - OW *
Measure the ‘T’ dimension, which is the measurement from the back of the bolt up face to the outside of the inner rim
Divide the overall width by two which gives you the centre line.
Minus the ‘T’ dimension from the centre line.

* Please ensure wheel has equal size kerb edges.


PCD
“The Pitch Circle Diameter is the diameter of the circumference of the centre line of the drilling holes.â€￾
Image
diagram3

This can be four, five or six lug and can be measured as shown in Diagram 3. The easiest way of measuring four or six lug wheels is to take two diagonal holes and measure from the outer edge of one hole to the inner edge of the second hole.
With five lug wheels this is not possible as there is not two diagonal holes, therefore the simplified way would be to measure the outer circumference and inner circumference of the drilling holes. The difference should be divided by two added onto the smaller circumference or deduced from the larger circumference.

CENTRE BORE
“The centre bore is the location hole machined in the centre of the wheel.â€￾
This varies from one vehicle to another. It is essential, the wheels purchased have the correct centre bore for the vehicle they are to suit, otherwise you may experience balancing problems.. Therefore to obtain the correct fit for the vehicle the correct spigot rings must be inserted into the rear of the wheel.


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PostPosted: Sat Mar 03, 2007 3:07 pm 
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makes perfect sense to me.
i did a diagram somewhere, i'll look for it.
the less offset the more the wheel sticks out

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PostPosted: Tue Mar 06, 2007 10:40 pm 
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[img][img]http://i19.photobucket.com/albums/b181/www_16vzetec_com/WheelOffset.jpg[/img][/img]

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PostPosted: Wed Mar 07, 2007 9:17 am 
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Spot on mate - glad I'm not the only one who can actually understand pictures and writing together :lol:

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Quote Clarkson, Top Gear, 17th July: "I'm not having a stroke... just driving a Nissan!"
Quote Ry, Mallory Park, 3rd Dec: "Ahhhh crap... Just a bit too over eager really!"
"I used to be an adventurer like you, but then I took an arrow in the knee"


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PostPosted: Mon Mar 12, 2007 12:22 pm 
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Spot on, just had to use these guide a minute ago as someone wanted to know the Offset of the wheels im selling.

Works a treat, thanks all :)

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PostPosted: Mon Mar 12, 2007 1:28 pm 
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8-)

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Quote Clarkson, Top Gear, 17th July: "I'm not having a stroke... just driving a Nissan!"
Quote Ry, Mallory Park, 3rd Dec: "Ahhhh crap... Just a bit too over eager really!"
"I used to be an adventurer like you, but then I took an arrow in the knee"


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