504 (TI) Tyre Decisions
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Thread: 504 (TI) Tyre Decisions

  1. #1
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    Default 504 (TI) Tyre Decisions

    Hi Froggers, can I seek advice on tyres for my 75 sedan?

    The existing tyres are Michelin MX1s 185/75 R14

    They have different levels of tread on them but all less than a match head as
    I hadn't rotated much if at all
    Not sure how much tread is required or legal
    The back left has a 1/4 of a Match Head
    The Back Right has a 1/2
    The Front Left has 3/4
    The Front Right has a 1/2

    I was thinking about just getting 2 tyres but now that I've got the stats in front of me I think all four

    The Questions are;
    Should I get the same tyres?
    (I can get XM1s that size (@$160EA))

    Should I get XM1+ the closest size being the 195/70 R14? ($150EA)
    (XM1+ don't come in 185/75 R14)

    Are there better tyres for standard driving around town & the odd trip down the coast?
    Safety Grip Handling Wear rate & Price all important factors to me

    Thanks in advance

    Nick Crawford

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  2. #2
    1000+ Posts BIGRR's Avatar
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    Default Ti Tyres

    Quote Originally Posted by nick View Post
    Hi Froggers, can I seek advice on tyres for my 75 sedan?

    The existing tyres are Michelin MX1s 185/75 R14

    They have different levels of tread on them but all less than a match head as
    I hadn't rotated much if at all
    Not sure how much tread is required or legal
    The back left has a 1/4 of a Match Head
    The Back Right has a 1/2
    The Front Left has 3/4
    The Front Right has a 1/2

    I was thinking about just getting 2 tyres but now that I've got the stats in front of me I think all four

    The Questions are;
    Should I get the same tyres?
    (I can get XM1s that size (@$160EA))

    Should I get XM1+ the closest size being the 195/70 R14? ($150EA)
    (XM1+ don't come in 185/75 R14)

    Are there better tyres for standard driving around town & the odd trip down the coast?
    Safety Grip Handling Wear rate & Price all important factors to me

    Thanks in advance

    Nick Crawford
    I would stick with the 185 x 75, as they are as close to the (Australian) recommended tyre size available. The size originally recommended in Australia was 175 x 80. However the size recommended in France was 165 (believe it or not). Loads of people fit too wide a tyre to the 504s 5" rims and the cars "wallow" around the road. I have fitted 175 x 65 x 14 to try to stop the wallow, and it works to a degree. However the gearing is now too low, yes even with a 3.46:1(?), 604 differential fitted.

    Good luck
    Attached Thumbnails Attached Thumbnails 504 (TI) Tyre Decisions-dsc00253.jpg  
    Present fleet:-
    Peugeot 93' 205 Gti 16v
    Peugeot 73' 504 Ti from new
    Peugeot 08' 407 Hdi Coupe from new

    Previous fleet:-
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    Peugeot 92' 205 Gti
    Renault 72' 16TS from new
    Renault 69' 10
    Renault 71' 10s
    Renault 68' 10 from new

    "Be reasonable do it my way!"


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    Thanks for the feedback. I notice that the new XM1 Michelins (& other brand tyres) have 185/70 & 185/80
    Would either of these sizes be ok?

    Michelin Energy XM1+
    (185/70R14 88H)
    (185/80R14 95T XL)

  4. #4
    pur-john, not pew-john! peujohn's Avatar
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    185/70 is too small.
    185/80 is too tall.

    In my opinion, the only size tyres to use on a 504 on 14x5 rims would be 175x80 if you want to go for the standard skinny look with light steering, or 185x75 if you want a bit more width.

    Do you understand how tyre sizing works? It's a good thing to get your head around.

    For example 185x75x14. 185 is the width of the tread in mm. 75 is the profile (height of the sidewall) as a percentage of the width. So in the case the sidewall height will be 185 x 0.75 = 138.75mm. 14 is simply the wheel size in inches.

    For 175x80 tyres the sidewall height is 140mm, virtually the same as 185x75. If you want to keep the same gearing and speedo accuracy you need to keep the same sidewall height (and overall diameter and circumference). 195x70 would also work (136.5mm) but these tyres are too wide for 5 inch rims.

    Note that as the width increases, the profile decreases, to retain the same overall diameter, because the profile is a percentage, not a size.

    I hope that helps.
    John W

    1979 Peugeot 504 GTI 2.2 litre 5 speed - 72 kW at the wheels

    1974 Peugeot 504 TI
    - now on the road

    2009 Peugeot 407 HDI wagon - family car

    Previous: 2005 407 HDI manual sedan, 1980 504 GL, 1990 405 Mi16, 1977 504 GL Special, 1984 505 SRD Turbo



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    Quote Originally Posted by nickc View Post
    Hi Froggers, can I seek advice on tyres for my 75 sedan?

    The existing tyres are Michelin MX1s 185/75 R14

    They have different levels of tread on them but all less than a match head as
    I hadn't rotated much if at all
    Not sure how much tread is required or legal
    The back left has a 1/4 of a Match Head
    The Back Right has a 1/2
    The Front Left has 3/4
    The Front Right has a 1/2

    I was thinking about just getting 2 tyres but now that I've got the stats in front of me I think all four

    The Questions are;
    Should I get the same tyres?
    (I can get XM1s that size (@$160EA))

    Should I get XM1+ the closest size being the 195/70 R14? ($150EA)
    (XM1+ don't come in 185/75 R14)

    Are there better tyres for standard driving around town & the odd trip down the coast?
    Safety Grip Handling Wear rate & Price all important factors to me

    Thanks in advance

    Nick Crawford
    185 75 are really the only size for standard rims.
    Get BF Goodrich GT Sport, these are the only tyres in this size with up to date construction, directional etc and aren't expensive. Goodrich is a subsidary of Michelin.
    Graham

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    Quote Originally Posted by BIGRR View Post
    I would stick with the 185 x 75, as they are as close to the (Australian) recommended tyre size available. The size originally recommended in Australia was 175 x 80. However the size recommended in France was 165 (believe it or not). Loads of people fit too wide a tyre to the 504s 5" rims and the cars "wallow" around the road. I have fitted 175 x 65 x 14 to try to stop the wallow, and it works to a degree. However the gearing is now too low, yes even with a 3.46:1(?), 604 differential fitted.

    Good luck
    i can see that car is really trying to aspire to it's bigger (better) brother

    the diff if it is a tall one would be a 3.58:1

    you need to stick a 5spd in it to get the cruising revs back down or go for a wider wheel and stick wider rubber on it

    would have to be the only one owner 504TI in the country
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

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    Thx PeuJohn. that's helpful info. I didn't now about the calculation. Now I do. thx NC

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    Thx Graham. Do you mean G-Force Sport?
    Nothing coming up for GTs from Goodrich
    G-Force don't seem to come in 185/75 R14s
    NC

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    It seems Michelin got their own facts wrong when Balwyn brakes rang them last week for me re 185/75 R14s On seeking confirmation today Michelin said haven't stocked them for a while.
    BB & Michelin are suggesting I go 195/70 (136.5mm)

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    Quote Originally Posted by nickc View Post
    It seems Michelin got their own facts wrong when Balwyn brakes rang them last week for me re 185/75 R14s On seeking confirmation today Michelin said haven't stocked them for a while.
    BB & Michelin are suggesting I go 195/70 (136.5mm)
    Then definitel go for the Goodrich, unless they are also out of production.
    195 70 too wide for the rims unless you can find a set of 5.5 505 SR rims.
    Graham

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    thx Graham
    if I got for new rims
    would t be worth going up to 15"
    or alloys 14 or 15"
    2nd hand of course
    NC

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    Quote Originally Posted by nickc View Post
    thx Graham
    if I got for new rims
    would t be worth going up to 15"
    or alloys 14 or 15"
    2nd hand of course
    NC
    Only 15 inch rims available are 505 GTi or Performance Superlights.
    Very hard to find are the late 505 late wagon steel rims.
    6 or 5.5 by 14s are probably the cheapest way to go, put a wanted ad in AF.
    Also, there is a set of GTi 15s FS in AF Parts for sale section at the moment.
    Graham

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    Getting more complicated isn't it
    sounds like i have to get new wheels though
    what range would I be looking at having to spend on wheels?
    would GTI 15" be the best outcome?
    is that a fair price?
    what tyres would they take?
    looks like goodyears on them
    Nickc

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    Quote Originally Posted by nickc View Post
    Getting more complicated isn't it
    sounds like i have to get new wheels though
    what range would I be looking at having to spend on wheels?
    would GTI 15" be the best outcome?
    is that a fair price?
    what tyres would they take?
    looks like goodyears on them
    Nickc
    I'd bargain with the price, make sure you get the nuts.
    195 65 is the size to get.
    Graham

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    Thx
    sorry to be a novice but
    as they're in adelaide what's the usual meas of getting them over to VIC?
    train? courier?
    & what's the safest way to pay someone in such an exchange from interstate
    Nickc

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    would i be righ tin saying that 195/65 is 126.75mm & the extra inch on the alloys being 24.5mm make that 150.25mm whereas the original at 175/80 were 140mm?
    NC

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    Nick, if you want to fit the 195/70/14, you should fit those



    With the 15'', you should fit 195/65 and not 195/60, the latter would lower the car 2.5 cm (large speedo error) while 195/65 would lower the car by 1mm (this is of course negligible)



    I think 185/75 is the best of both worlds.
    185/80/14 is used in wagons.


    Is there a way to tell whether the 505 rim is a 5.5 or 5 ?

    Cheers
    Attached Thumbnails Attached Thumbnails 504 (TI) Tyre Decisions-img_1657.jpg  
    Chadi

    1982 504 SR white manual sedan with A/C (257 000 Km)
    2012 308 1.6 VTi Vapor Grey manual H/B (35000 Km)
    1994 405 1.6 white manual sedan (208 000 Km)
    1992 605 SV24 (91 000 Km)
    2005 406 2.0L automatic (Replaced with a 2013 C5)
    1983 505 GR white manual sedan with A/C (170000 Km)

    All since new


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    Thx Doush_504
    so unlike Graham you don't think 195/70 R14 is too big for a 5" rim?
    I've got 504 14" steel rims which i believe are 5" wide
    the 15" 505 GTIs - not sure, guessing 6"
    see attached
    NC
    Attached Thumbnails Attached Thumbnails 504 (TI) Tyre Decisions-505.jpg  

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    Quote Originally Posted by nickc View Post
    Thx Doush_504
    so unlike Graham you don't think 195/70 R14 is too big for a 5" rim?
    I've got 504 14" steel rims which i believe are 5" wide
    the 15" 505 GTIs - not sure, guessing 6"
    see attached
    NC
    195/70R14 on a 6" rim

    i have 205/70R14 on 6" rims on the 604 but out here in the bush they are better suited to the roads
    3 x '78 604 SL

    1 x '98 306 GTi6

    1 x secret project

    1 x '98 406 STDT troop carrier and i don't care if it stinks, i don't sniff it's arse Death by wank tank

    1 x '99 406SV 5spd wagon, time to burn more fuel

    1 x 1994 605 SV3.0


    WTD long range fuel tank for 605

  20. #20
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    Quote Originally Posted by nickc View Post
    Thx Doush_504
    so unlike Graham you don't think 195/70 R14 is too big for a 5" rim?
    I've got 504 14" steel rims which i believe are 5" wide
    the 15" 505 GTIs - not sure, guessing 6"
    see attached
    NC
    The 14'' rim (called "Amil") I posted (the one fitted on the 504 Coupé) is 6'' wide, not 5''. Although I know many many people who fit 195/70/14 on 5'' original rims, I disagree with the concept and moreover, they don't look nice.
    The 15'' 505 GTI are definitely 6'' (it says 6x15).
    Bottom line is, you want to fit 195 tires, go for 6'' wide rims (whether 14'' or 15''). I wouldn't recommend going wider than 195 in a 504.
    Finally if you want to stay within original height & maintain speedo accuracy, 195/65/15, 195/70/14 & 185/75/14 are the ones to choose from.
    Try this website, I think you'll find it helpful
    http://www.tiresizecalculator.info/

    Cheers
    Chadi

    1982 504 SR white manual sedan with A/C (257 000 Km)
    2012 308 1.6 VTi Vapor Grey manual H/B (35000 Km)
    1994 405 1.6 white manual sedan (208 000 Km)
    1992 605 SV24 (91 000 Km)
    2005 406 2.0L automatic (Replaced with a 2013 C5)
    1983 505 GR white manual sedan with A/C (170000 Km)

    All since new


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    Thx lot for all your feedback
    I feel more confident to make an informed choice
    NC

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    I run the originals 175/80 Continentals after a recommendation against the available Michelins at the time. Very happy

    The steering is lighter with the 175/80 compared to the later fashion of 185/75

    Use the profile they were designed to use unless you have done some serious modification for blinding speed or handling

    Keep it simple

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    do you know what conti's they are?
    N

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    is 175/80 a rare & expensive size these days?
    N

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    Mine has 185/65 Michellins on 14"x6" rim -nice tyre but way too undergeared. They are too good to chuck out and replace with 195/70 which fit nicely. 185/75 if you can decent tyres will work well on the standard rims. Neil

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