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CLK rims for T3 Syncro - after some guidance

Discussion in 'T3 & T4 Tech Help Clinic' started by Syncronicity, Jan 2, 2021.

  1. Syncronicity

    Syncronicity New Member

    Messages:
    1
    Location:
    Melbourne
    Hi all,

    Long time listener, first time caller. Haven’t posted here before - hello

    I drive an 89 T3 Syncro Camper - had it for almost 8 years I guess. Lived happily in it for a couple of those

    Apologies, I know this comes up a lot. But I’m hoping for some wheel advice/reassurance.

    I currently have the standard 14” rims with some Maxxis A/Ts. I’m in need of new tyres so I think now is the time to change the rims.

    I’ve tracked down a set of Mercedes CLK rims (circa 98-02 I believe) part number 208 401 0002.

    5/112 PCD
    ET37
    16” x 7

    As I understand it, the lug holes need to be widened slightly to 37/64” to accommodate the standard studs, and this will also require new mounting hardware - 17mm lug nuts with the appropriate small ball profile to be supplied by T3 Technique.

    I’m planning to run 215/70/16, and the van running gear and suspension is stock. I know this is a tiny bit larger than the commonly fitted 215/75/15

    I have seen this setup on a number of vans online and I’m pretty confident it will work, but was just looking for some reassurance that I’m not overlooking something.

    Any guidance would be greatly appreciated!
     
  2. tillis

    tillis Well-Known Member

    Messages:
    330
    Location:
    gold coast
    WP_20161024_001 (2).jpg


    i,m running 16x 7.5 Momo mercedes rims on my 82 T3 and it is beautiful to drive...225/60/16s but the 2L aircooled pushes it just fine
     
  3. KahunaKombi

    KahunaKombi Super Moderator Staff Member

    Messages:
    21,839
    Location:
    Bracken Ridge, Qld
    Standard ride height and the profile change will mean you still got clearance in the guards and should not cause an issue(s).

    One thing is to check rolling circumference of new rims/tyres against standard as you need to get as close as possible for speedo/odometer to be correct.
     
  4. syncro

    syncro Well-Known Member

    Messages:
    9,714
    Location:
    Southern Highlands
    You may need to machine the centrebore. Wheel stud holes should be OK.
     
  5. Balki

    Balki New Member

    Messages:
    7
    Location:
    Melbourne
    Thanks for the reply tillis. They look really nice.
     
  6. Balki

    Balki New Member

    Messages:
    7
    Location:
    Melbourne
    Thanks for the response, KahunaKombi.

    I _think_ on the Syncro that this comes from a small drive gear in the front diff so I had assumed this wouldn’t be an issue but thinking about it more the bigger tyre circumference would have fewer revolutions. I’ll definitely look into this further.
     
  7. Balki

    Balki New Member

    Messages:
    7
    Location:
    Melbourne
    Thanks Syncro.

    I think I’m feeling ok about having a small amount of adjustment done. I’ll do some measuring once I get my hands on them. In my simple mind, if the holes are in the right place, fitment tweaks should be doable (by someone who knows what they’re doing)
     
  8. Dapom

    Dapom Well-Known Member

    Messages:
    760
    Location:
    Brisbane
    Being merc wheels, centre should be fine at 66.6mm :)
     
    Syncro27 likes this.
  9. KahunaKombi

    KahunaKombi Super Moderator Staff Member

    Messages:
    21,839
    Location:
    Bracken Ridge, Qld
    Here's something you can use to compare tyre sizes - https://www.tyresizecalculator.com/tyre-wheel-calculators/tire-size-calculator-tire-dimensions

    215/70/16 circumference = 2220 mm

    215/75/15 circumference = 2211 mm
     
    Balki likes this.
  10. syncro

    syncro Well-Known Member

    Messages:
    9,714
    Location:
    Southern Highlands
    I think the original Michelins were 205x14C circumference = 2148 mm

    Going much larger makes the brakes crap. I changed from BFG 215/75x15 to Toyo 215/75x15 and noticed an improvement in braking. I also drove one with 185x16 and it was terrible.
     
  11. Syncro27

    Syncro27 Well-Known Member

    Messages:
    6,496
    Location:
    Terrigal, NSW Central Coast
    Agree bigger wheels means you need bigger brakes
     
  12. Balki

    Balki New Member

    Messages:
    7
    Location:
    Melbourne
    Thanks everyone for the guidance. After quite a long drive (which was nice) they didn’t actually have the rims so I’m back to the drawing board.

    I’ll definitely keep the braking issue in mind. I thought it would be ok at 215/75/15 which was the original plan but perhaps some more research required. BFGs were what I had in mind.

    I was almost ready to stump for the Mefro 15’s from the states but they cost a hell of a lot to land for a steelie, and I’m getting the impression that they’re not making them anymore? GoWesty still have similar, but I don’t think they are Mefros. Again, this is just something I reckon I might have read somewhere...
     
  13. Dapom

    Dapom Well-Known Member

    Messages:
    760
    Location:
    Brisbane
    If you are keen on steel wheels then back to the wreckers yard!! Mercedes C class (among others) came with 15” Et31 and Et37 and the rare 16” et30. All of these are bolt on swap with a set of mefro wheel lugs/nuts. I paid $25/rim for the last set I grabbed...don’t forget to grab the spare out of the boot ;)
     
  14. syncro

    syncro Well-Known Member

    Messages:
    9,714
    Location:
    Southern Highlands
    I have these for sale.

    These are modified genuine syncro wheels to 15" x 6" ET30.
    There are no clearance problems and suit standard wheel nuts and hubcaps.
    Not suitable for big brake conversions.
    Tyres are BFGoodrich 215/75x15. Tyres have nearly full tread and are old but have been kept out of sunlight and are still soft.

    Set of 5 $750. Make an offer.

    Pick up Southern Highlands or can arrange delivery to Sydney, Canberra, South Coast for extra cost.
    Pay by Paypal, bank transfer or cash.
    plander(at)optusnet.com.au

    upload_2021-1-11_6-36-33.png
     
    KahunaKombi likes this.
  15. Balki

    Balki New Member

    Messages:
    7
    Location:
    Melbourne
    Thanks for this. These look good.

    I don’t know anything about how these would have been modified so I’ll do some research.

    thanks again everyone!
     
  16. syncro

    syncro Well-Known Member

    Messages:
    9,714
    Location:
    Southern Highlands
    They were modified by an authorised wheel manufacturer. They cut the outer rim off and replace it with a special deep hump rim imported from the USA designed for the purpose.

    Syncro 6" rims were used as they are made with thicker steel that the standard 5.5" rims.
     

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