Re: Re: 505 - more alloy wheel info
From: Midvally (midvally@shaw.ca)
Date: Wed 06 Mar 2002 - 00:46:58 EST
I learned the hard way that 195 75 R 14 from a 504 wouldn't fit on my 86
505. I had been carrying it around in the spare carrier thinking it would
and when I really needed it it wouldn't even fit let alone rub while
driving!
Dan
----- Original Message -----
From: "jsgrubbs2001" <jsgrubbs@hotmail.com>
To: <peugeot-L@yahoogroups.com>
Sent: Tuesday, March 05, 2002 4:57 PM
Subject: Re: 505 - more alloy wheel info
> It would seem there is an early limit to tire size on a 505. One
> thing to remember is that the front suspension geometry and offset
> are what make the 505 so special. I believe this is why the stock
> sidewall-to-strut gap is so tiny compared to some other cars with
> similar suspension components (MacPherson/lower control arm).
> Installing wheels with different offset/backspacing on the front
> would destroy this...
>
> The upper strut mounts are much closer together than the lower tip of
> the strut body--if the wheels had a larger diameter, the sidewall of
> the tire would be at a location where there is more distance to the
> strut. Remember that it's the ballooning sidewall that ends up
> rubbing the strut--the clearance between the actual wheel rim and
> strut is much greater.
>
> A 205 is about as wide as you would want to go with the stock 6" wide
> rims. Perhaps a 6.5 inch X 16 inch rim (with stock offset, etc.)
> would allow some 215s or maybe 225s to fit nicely in the front AND
> allow the awesome factory suspension geometry to remain.
>
> Something wider could be placed on the rear, as long as the tire did
> not chaffe the inside of the rear quarter panels.
>
> However, a mix of tire sizes front-to-rear will greatly affect the
> normal balance of the car. Keep in mind that a stock 505 (when driven
> sensibly) is nicely balanced--with a slight slant towards understeer.
> Installing tires that are wider in the rear than in the front would
> further push the balance towards understeer. Of course this would not
> be a problem with greatly increased HP... But still...
>
> BTW, Yokohama AVS Intermediates are junk when you really "drive" your
> car... Blackie had a set of AVSi when the donut videos were filmed.
> The tread is ultra soft and grippy (which is nice) but the sidewalls
> are stupidly soft--probably a great combo for 18+ inch wheels and a
> poorly tuned over-sprung suspension system.
>
> Surprisingly the Bridgestone Potenza RE71s performed very very well
> and were also inexpensive.
>
> -Joe G
>
>
> --- In peugeot-L@y..., Jim Lill <jpl@v...> wrote:
> >
> > It appears that PLS only offers a 4X140 wheel in 15". Politecnic
> > sells a 15X7.5 version of that wheel along with a 205/50-15 tire as
> > their max size.
> >
> > I take that as an indication of their thoughts on max tire envelope
> > size irrespective of rim diameter.
> >
> > Jon was right about a more modern tire, ala' 16", having better
> > handling. However, as you jazz the HP on a 505, you soon need more
> > grip and only patch will get you there. Burnouts and donuts don't
> > need more traction, but power to the ground, in any/all directions
> > does.
> >
> > I'll lean back towards Revolution RFX wheels which I can get custom
> > made. I have a 16" which was too big for the front with any good
> > tire. If the mixed size approach is OK, I'll go that route.
> >
>
>
>
>
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