Fiat wheels......change from 15inch to 16 inch?

Discussion in 'Motorhome Chat' started by Chockswahay, Mar 20, 2015.

  1. Chockswahay

    Chockswahay Funster

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    Whilst researching new tyres for my van I have been advised that the 15inch wheels are 'out dated' and that more choice is available for 16 inch wheels.

    Has anyone ever changed their wheels from 15 to 16 ? Any reasons why it can not be done? After all the Fiat is the same as the Peugeot and Citroen and they have 16 inch wheels.

    Also (if the price is right) I could then consider a 'summer' set and a 'winter' set.........

    With all this in mind what size tyres are fitted to the 16 inch wheels on Peugeot or Citroen based motorhomes?

    Cheers (y)
     
  2. Zains Pops

    Zains Pops Funster

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    I know nowt about Fiat/Citroen wheels and tyres etc. but generally when changing wheels and tyre sizes you need to be aware of the changes needed to your speedo & odometer and your insurances.
    No doubt someone will be along soon with the full sp on Fiat etc.
     
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  3. tony_g

    tony_g Funster

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    Interesting question which had also occurred to me. My van is on the Alco 'light' chassis which seems to have 15" wheels as standard. However the same model on the 'heavy' version of the chassis has 16", perhaps to accommodate tyres with a higher load rating for the increased GVW.
     
  4. SIFTA SAM

    SIFTA SAM Read Only Funster

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    Try S.V. Tech (Leyland) 01772 621800 they should have the answers for technical/mechanical vehicle up-grades.
    I have found them very helpful.
     
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  5. laneside

    laneside Funster

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    If it is anything like our Fiat it will probably make the speedo nearer to accurate, it is so far out I have always thought it should have 16" wheels on and there is lots of wheel arch space to accommodate them.
     
  6. Techno

    Techno Funster Life Member

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    15's have a 118 bolt circle for one thing
    16's are 130
    Yes it is all about load, 16" tyres have a higher load index rating
    Brakes are probably beefier too
     
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  7. jollyrodger

    jollyrodger Funster Life Member

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    Hi on the last van the 5th gear ration was /or seemed to be wrong Halden Hill 5th gear 1/2 loaded!(was like driving in 4th everywhere.)
    so after exploring various options ,getting correct ratio was a nightmare simple solution swapped to 16" Alloy wheels (van rated )sorted and on checking speedo against gps was mush closer to the norm mpg improved significantly .
    Fitted straight on .
    hope this helps :)

    20140714_173318.jpg
     
  8. Chockswahay

    Chockswahay Funster

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    Thanks chaps....

    @Techno100 Ah, do you mean the diameter of the circle is different on the 'stock' steel wheels? Therefore I assume a straight swop is not possible.....( I don't want alloys )
     
  9. Techno

    Techno Funster Life Member

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    Makes no difference whether alloy or steel 118mm is 118mm and 130 is 130
     
  10. Techno

    Techno Funster Life Member

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    Brakes and suspension will be different too
     
  11. mickymouse

    mickymouse Read Only Funster

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    I have also 15inch wheels on my fiat based van and speedo is out by about 8km/h when travelling at 90km/h compared to the sat nav, and as above the wheel arches could accommodate larger tyres.
     
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  12. Chockswahay

    Chockswahay Funster

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    Thanks @Techno100

    Guess I will be sticking with the 15 inch wheels then.....
     
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