Tires for 505 GTi rims
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  1. #1
    Fellow Frogger! Doush_504's Avatar
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    Default Tires for 505 GTi rims

    G'day all,
    the 2 lions in the pic are getting new tires soon. We were thinking of an upgrade over the 14 inch steel rims to 505 Gti .
    So question is what is the best tire size knowing that both cars are completely original and both are non P/S ?
    Good grip is important but we don't want to make the steering ridiculously heavy or ruin the fuel economy.

    Thanks

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    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


  2. #2
    Fellow Frogger!
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    Default

    195/60/15

  3. #3
    Fellow Frogger! Doush_504's Avatar
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    Quote Originally Posted by Thanos View Post
    195/60/15
    Thanks Thanos for the quick reply.
    Is there a specific reason why you chose it over the 195/65/15 ?
    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


  4. #4
    Fellow Frogger!
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    1. Availability of performance tires at that size.
    2. Better acceleration (effectively shortening your diff by 3%) and only 3% speedometer error.
    3. Lighter than the 65
    Remember that 15" rims are heavier than 14" and the car is not a barn burner as it is, frankly, I would stick to the 14" and the narrower tire.

  5. #5
    pur-john, not pew-john! peujohn's Avatar
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    The white 504 in the pic you put up is a V6 without power steering, it was running 205/60/15 tyres in that picture. My current 504 also uses the same size, with power steering; for quite a while I ran my previous 504 on the same size again, without power steering. The steering was a bit heavy, but not too bad. I even had a 350mm steering wheel.

    205/60/15 is close to the original tyre diameter. So is 195/65/15. In my (unscientific) opinion I think that 205 is more width than you need, but I think 195/60/15 as Thanos suggested is a bit small. My brother's 504 has this size, with power steer. It works fine but in my opinion they look a bit small on a 504. This is the standard size for 505 GTI so it might be better suited to a 505.
    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



  6. #6
    Fellow Frogger! Doush_504's Avatar
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    Quote Originally Posted by Thanos View Post
    1. Availability of performance tires at that size.
    2. Better acceleration (effectively shortening your diff by 3%) and only 3% speedometer error.
    3. Lighter than the 65
    Remember that 15" rims are heavier than 14" and the car is not a barn burner as it is, frankly, I would stick to the 14" and the narrower tire.
    1- I am not thinking performance tires, I was planning to get the Michelin Energy Saver.
    2- I also saw that it would cause a speedometer error but won't it also increase the rpm ? mine has the 4 speed box so I already feel it is quite loud at 100 kph
    http://www.tiresizecalculator.info/
    3- I thought that the new ones were lighter because they are alloys
    What about 185/65/15 ?

    Sorry for the questions but this is an expensive step so I have to make sure I am going in the right direction

    Quote Originally Posted by peujohn View Post
    The white 504 in the pic you put up is a V6 without power steering, it was running 205/60/15 tyres in that picture. My current 504 also uses the same size, with power steering; for quite a while I ran my previous 504 on the same size again, without power steering. The steering was a bit heavy, but not too bad. I even had a 350mm steering wheel.

    205/60/15 is close to the original tyre diameter. So is 195/65/15. In my (unscientific) opinion I think that 205 is more width than you need, but I think 195/60/15 as Thanos suggested is a bit small. My brother's 504 has this size, with power steer. It works fine but in my opinion they look a bit small on a 504. This is the standard size for 505 GTI so it might be better suited to a 505.
    The white 504 in the pic comes from an ad you had posted in your blog
    I was thinking of 195/65/15 for the same reason : keeping the original diameter (and 205 is way too much). I would have loved to put 185/70/15 but it does not exist.
    Did you feel a performance change after installing the rims ? The car became heavier/ better grip/ fuel economy ... ?

    The 505 guy is worried that the tires might scrub against the strut as the distance between the current tire and the strut is about 1 cm, so do you guys make any modifications before the installation or does the extra width go outside ?

    Oh and by the way I asked about your stuff, my dealer does not have them but he said he could get them in case I am serious. Want details here or PM ?
    Last edited by Doush_504; 29th November 2010 at 06:40 AM.
    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


  7. #7
    Fellow Frogger!
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    Chadi

    The Peugeot alloys are quite heavy, also a 15" has more metal than 14" so it is nearly always heavier except in extreme cases (magnesium etc). The 175/80/14 Energy are perfectly adequate for your car's state of tune and it will actually be slower if you try to upgrade. Not to mention that they are narrow rims so a wider tire will baloon and give you LESS of a contact patch. Obviously it does not look as cool with 14's. A 14x6 alloy (Amil or tubeless spec Dunlop) with 185/70/14 may be the way to go. Which brings up the question: ARE YOUR RIMS SUITABLE FOR TUBELESS TIRES?

    As for strut body interference, if you use the standard rims the tires are narrow enough so there is no concern. If you go to the alloys, they have 8 mm more offset so no concern again.

    Save your money and buy the 14's, there is nothing to be gained (except maybe street cred) by going bigger, you will be downgrading your car.

  8. #8
    pur-john, not pew-john! peujohn's Avatar
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    Quote Originally Posted by Doush_504 View Post
    Oh and by the way I asked about your stuff, my dealer does not have them but he said he could get them in case I am serious. Want details here or PM ?
    I'll send a PM.
    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



  9. #9
    Fellow Frogger! tomb's Avatar
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    Default tyre choices

    Chadi just from a differnet angle, I have 185/80 on 14 inch on the 505 diesel and 195/60 on 15 inch on the 505 GTI . Neither are performance cars but the ride is so much better on the 80's on 14. The 15 inch on 60 is a much harder ride but probably has better grip and stopping power, (two things the diesel survives without).

    For years I longed for the GTI with 6J15 mags and now that I have one I think the 14inch is a better look and softer ride. If we ever need to do the tyres on the GTi I will be looking for 65 or even 70 profile. 504 and 505's are large cars and low profile tyres don't look quite right, (in my opinion, I don't want to start barney). I have been tempted to swap them over on the cars just to see 1. if the diesel quickens up a bit and 2. if the ride in the GTi softens up a bit plus how much the fuel usge drops.

  10. #10
    Fellow Frogger!
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    makes the 225 tyres on my 607 look ridiculous doesn't it?

    I wanted narrower tyres for my winter tyres, but there doesn't appear to be a rim available for the 607 narrower than 7J

    The aquaplaning in poor weather is pretty bad and it's the worst car I've every owned in snow and slush, hence the winter tyre purchase
    Last edited by dieselnutjob; 29th November 2010 at 08:58 PM. Reason: I can't spell

  11. #11
    Fellow Frogger! Doush_504's Avatar
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    Quote Originally Posted by tomb View Post
    Chadi just from a differnet angle, I have 185/80 on 14 inch on the 505 diesel and 195/60 on 15 inch on the 505 GTI . Neither are performance cars but the ride is so much better on the 80's on 14. The 15 inch on 60 is a much harder ride but probably has better grip and stopping power, (two things the diesel survives without).

    For years I longed for the GTI with 6J15 mags and now that I have one I think the 14inch is a better look and softer ride. If we ever need to do the tyres on the GTi I will be looking for 65 or even 70 profile. 504 and 505's are large cars and low profile tyres don't look quite right, (in my opinion, I don't want to start barney). I have been tempted to swap them over on the cars just to see 1. if the diesel quickens up a bit and 2. if the ride in the GTi softens up a bit plus how much the fuel usge drops.
    Now I am really getting confused
    Today I pushed the car a bit, making some dangerous maneuvers and it felt brilliant. I started thinking why I wanted 15s and the answer was looks + grip but I am thinking since the latter will hurt fuel economy & slow the car down (according to Thanos) it may not be worth it.
    Problem is I wanted to go 185 not 195 but 185/70/14 will lower the car while 185/80/14 (wagon size) will raise it
    I just got off the phone with my tires reader he told me that he never heard of neither 185/75/14 nor 185/70/15 which would have been a good average so I am only left with 175/80/14 and 195/65/15. I am leaning towards staying original while the 505 guy wants the 195/65.

    Tomb, if you do this experiment of yours it would be of great help & thanks for the tip anyway.
    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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