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Friday, 24 February 2012

Change Pitch Circle Diameter (PCD)

Bolt Circle Diameter (BCD) also
known as Pitch Circle Diameter (PCD)
Many of car the enthutism like to change the wheels of their vehicle up to 2-3 times a year. All kinds of rims in the market today that offers a full range of designs with an appropriate price. Each rim has a different bolt hole, or commonly known as the PCD (pitch circle diameter), mostly in the market have four and five-bolt hole. Usually should be no problem for users of vehicles using the five-hole rim. The problem usually arise with vehicles using four-hole nut because there are three common sizes of PCD in the market that is 100mm, 110mm and 114.3mm.

Normally people will choose the rim based on the shape, diameter, colour and price of the rim. Can or not be fitted with the vehicle it is a second thing. If it can be fitted, then you can enjoy your ride with a new rim on the spot. Otherwise, should be very disappointed!

Actually you can still use different rim PCD into your vehicle. Of cause this will take an extra cost. An easy way with budget around RM200.00, you can use the "PCD converter", which it will convert the PCD, for example from the PCD 100 PCD 110 PCD without changing the original PCD. Meaning that, if you want to convert back to PCD 110 in the future, just remove the PCD converter. This is one example of PCD converter available in the market.
PCD Converter (blue) when attached on wheel hub
PCD Converter
Usually, users of Perodua Kancil (Daihatsu Mira L2, L2S, L5 in Japan) will convert from PCD 110 to 100, to make them easier to find the most appropriate rim for their ride because most of the rims available in the market in size of PCD 100. But the disadvantages of using this converter PCD, it will cause the rims and tires will come off a little from the fender and will eventually lead to bearing damage in long term.
In addition, if you wish to continue using the desired PCD instead of the original one, take out the hub and knuckle, bring it to engineering workshop (Usually metal work or heavy machinery workshop), and tell them what PCD are you desired. In this way, the rim will not be out of the fender. Some people say this method is not safe, but I myself have change my Perodua Kancil’s PCD from 110 to 100 and I have been used it for 7 years until today and no problems encountered so far.
Note: If you change the PCD, do not forget to change the spare tire as well as your stock spare tire no longer can be used for your car.

11 comments:

  1. good info bro. thanks

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  2. Where I can convert my kancil pcd at miri... bro

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  3. Piasau industrial bro..I forgot the company name & actual location, it is engineering workshop that build thing such as offshore piping, heavy machinery part and whatever related to metal. If you see metal waste outside its building, that it is. Corner lot, and just next to T-junction..

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    Replies
    1. is this thing is plug n play? and rm200 is it for 4 pieces? hopefully u can tell me where i can get this sir in semananjung? -rott

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    2. The PCD converter just plug&play. Just type "PCD converter" search column in mudah.my or lelong.com and contact the seller.. TQ

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  4. Thanks...how much cost to convert pcd...

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    Replies
    1. Cost depend on Taukeh loh.. but last year got one blogger told me that that w/shop offer him almost RM1k. Very2 expensive. maybe they are dealing with million ringgit of business, that why for them RM1k considered cheap. At Kuching you can get around RM300 for rear and front..

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    2. Or you can go to car workshop behind MyEG services/Option Car Accessories (kpg wireless). 2nd lot just next to the transporting company. I send my car there last 2 years change front hub with new one and I asked them to modify it. I wait for one day and it ready. I don't know where they send it to modify. If i not mistaken RM120 for that (front left only). Or you can ask Big Wheel also..

      **Dont forget to share with us here about your survey ok. TQ friend..

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  5. Ok... I will try to ask big wheel...thanks for ur information... tq... bro..

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  6. hello..if i want to change pcd 4x100 to 4x114.3..without using pcd coverter..just drill a new hole..is it will have problem or not..tq

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    Replies
    1. should be no problem, as my Kancil also converted to pcd 100 by that way. (drilled and weld). but never do it by yourself. Send it to metal work engineering garage/workshop.

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