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Thread: best five stud pattern for early Celica

  1. #1
    Junior Member Grease Monkey
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    Default best five stud pattern for early Celica

    I am deciding which stud pattern to go with for my TA22.
    I bought a commowhore VS LSD diff a while back, but have yet to shorten it.
    The brakes that I going to use are a ford AU pattern.
    So I am trying to decide wether to get the front hubs in a custom commondoor pattern (available at extra cost) or just sell the diff and get a ford one.

    My Question is what wheels are a better offset for an early Celica, Dunnydoor or Falcoon?

  2. #2
    Junior Member Grease Monkey Jayem's Avatar
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    Default Re: best five stud pattern for early Celica

    I have Hilux rear end and Crown drum hubs at front. These have 5x114.3 stud pattern. I chose drum hubs to front due to space for second stud pattern. So now i have also 5x4.75 (5x120 BMW PCD). Now there's plenty of rims to choose from...
    Sorry my bad English.

    klik

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    Blasphemist Chief Engine Builder Bananaman's Avatar
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    Default Re: best five stud pattern for early Celica

    Offset you'll need is going to entirely depend on what length you make your diff, and how your front upgrade screws with your track / offset. The falcon rims come in both high and low offsets, so i think offer the widest range of potential fitting wheels - early falcons (low offset), late falcons (high offset) and not to mention all the 5 stud imports like skylines supras etc (mostly high offset).

    Commodore stud pattern comes on commodores and BMW's, all in similar offsets i believe (don't know what), so it gives you limited options depending on how your brake upgrade pans out.

    That said, it wouldn't be hard to change the stud pattern on the diff you have now.
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    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: best five stud pattern for early Celica

    Quote Originally Posted by Bananaman
    Offset you'll need is going to entirely depend on what length you make your diff
    Not entirely.

    Offset is mainly determined by the load on the bearings.

    You'll have to keep the load on the bearings within a % of the factory, or you'll have to get an engineer to sign off on it.


    As for the best stud pattern, 5x114.3 (5x4.5")

    Toyota, Ford, Nissan all use it. And they both have low and high offset rims.

    The Holden/BMW pattern is 5x120 as mentioned. They are only available in high offset (+40's).
    Old school Holden (Torana, Kingswood) is 5x120.7 (5x4.75"), and are only available in low offset
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    Junior Member Too Much Toyota
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    Default Re: best five stud pattern for early Celica

    Quote Originally Posted by Jayem
    I have Hilux rear end and Crown drum hubs at front. These have 5x114.3 stud pattern.
    jayem: what was the crown model did you use for the drum hubs?
    ------------------------------
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    Blasphemist Chief Engine Builder Bananaman's Avatar
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    Default Re: best five stud pattern for early Celica

    Quote Originally Posted by CrUZida
    Not entirely.

    Offset is mainly determined by the load on the bearings.

    You'll have to keep the load on the bearings within a % of the factory, or you'll have to get an engineer to sign off on it.
    Sorry i should have mentioned this also, my bad. In NSW this means don't run a wheel that would increase the track by more than 13mm per side versus running the stock wheel for the diff assembly used. How that compares to bearing loads i have no idea, but thats one of the guidlines you're meant to follow.

    I always assumed that running a higher offset wheel (in the example where we are talking a wide diff in a narrow car say) would reduce load on the bearings, is this true? Assume that the wheel used is wider than the stock rim but higher offset for a moment, how does this change load on the bearings?
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    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: best five stud pattern for early Celica

    Load is determined by offset.

    I know what you are saying with running a wider diff/axel, and needed to run higher offset to keep the track near factory.

    But in doing that you will be putting nonfactory loads on the bearings.

    Whether this is acceptable or not, or whether there is a nice balance between offset and track is up to a nice engineer.


    WA has the same rules of no more than 13mm increase per side, and no decrease allowed.
    What they haven't taken into account is that (for example) from factory the MA61 had offsets of +27, +20 and +8 available.
    Thats a range of 19mm per side.
    19mm change and it obviously hasn't affected the bearing load.
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    Junior Member Grease Monkey
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    Default Re: best five stud pattern for early Celica

    I would highly recommend 5x114.3 stud pattern.

    While a Commodore stud pattern is limited, 5x114.3 is used by Toyota, Nissan, Mazda, Ford etc etc. There are literally thousands of options. And the majority of decent Japanese wheels also have the widest variety of options in 5x114.3.

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    Junior Member Domestic Engineer crowncustom's Avatar
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    Default Re: best five stud pattern for early Celica

    Quote Originally Posted by BTM
    I would highly recommend 5x114.3 stud pattern.

    While a Commodore stud pattern is limited, 5x114.3 is used by Toyota, Nissan, Mazda, Ford etc etc. There are literally thousands of options. And the majority of decent Japanese wheels also have the widest variety of options in 5x114.3.
    I second that motion
    Cheers Brett.

  10. #10
    Junior Member Grease Monkey
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    Default Re: best five stud pattern for early Celica

    Thanks for the replies everyone.
    Falcon stud pattern is looking good.

    I was planning on shortening the diff to standard celica width.
    The front upgrade wont really change the offset either.

    What offset are standard TA22 wheels?

  11. #11
    Blasphemist Chief Engine Builder Bananaman's Avatar
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    Default Re: best five stud pattern for early Celica

    Quote Originally Posted by broken22
    Thanks for the replies everyone.
    Falcon stud pattern is looking good.

    I was planning on shortening the diff to standard celica width.
    The front upgrade wont really change the offset either.

    What offset are standard TA22 wheels?
    Its in your interest to have the diff made to suit the wheels you want to run, saves alot of headaches
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  12. #12
    Toymods V8 Member Too Much Toyota CrUZida's Avatar
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    Default Re: best five stud pattern for early Celica

    Stock offset is about +32 I *think*

    Toyota in the 80's had

    7" = +8
    6" = +20
    5.5" = +27
    5" = +32

    So I presume since the stock rims are 5", that the offset is +32
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    Junior Member Grease Monkey Jayem's Avatar
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    Default Re: best five stud pattern for early Celica

    jayem: what was the crown model did you use for the drum hubs?
    RS55 IIRC.


    The Holden/BMW pattern is 5x120 as mentioned. They are only available in high offset (+40's).
    I dont know about holden but BMW uses two different offsets. Another is ~40 (like 90's 300-series) and another is around 15-20 (like 80's 500- and 700-series). At least here in europe there are plenty of low offset BMW rims floating around...

  14. #14
    Forum Member Grease Monkey
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    Default Re: best five stud pattern for early Celica

    has anyone shortened a ford falcon diff . i'm not sure off the diff ratios but wouldn't it be easier . already has the correct pcd
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