wait a sec, what size is the rear sway bar stock? Brian *Holm* has the
17 and 18mm's?
James, assuming you have the cone and springs style LSD, have you
tried shimming it at all?
On 7/23/05, Karydas <karydas@hol.gr> wrote:
> Forgot to mention that with 17 inch rims I would use 205/50/17 Front and
> 225/45/17 Rear and maintain the same rolling radius you have now.
> Yokohama Advan is a great choice for these sizes
>
> -----Original Message-----
> From: peugeot-L@yahoogroups.com [mailto:peugeot-L@yahoogroups.com] On
> Behalf Of James Rabin
> Sent: Friday, July 22, 2005 10:47 PM
> To: Karydas
> Cc: peugeot-L@yahoogroups.com
> Subject: [Peugeot-L] 504/505 performance
>
> I haven't done the strut bar yet(it's on the list when I do the FMIC),
> and I have tried various tire pressures and the like with no good
> results. Tire temp is usually an issue, but even on a hot day they'll
> still spin like crazy. The runs are very short so there is little time
> to get them to proper temp. The plan once all is fitted is to replace
> the used tires I'm mounting for 17" fitment purposes with proper
> performance tires that don't need as much heat to stick well - Falken
> Azenis tires are supposed to be VERY good cold, and still work nice when
> hot.
>
> As for where my car loses traction - The biggest problem was coming on
> boost while the car is in transition - I get nasty wheelspin and the
> back end fishtails all over the place. It just can't put the power down
> the way I want it to.
>
> When hard into a corner the car is very neutral, but the moment I hit
> boost the rear tires spin and I start drifting - which is fine, and the
> car is beautifully capable of keeping the drift - but I lose forward
> thrust.
>
> My hope is that with larger contact patch and better rubber I can put
> more power to the ground without spinning.
>
> With a carbed XN motor the 195's are probably plenty for putting the
> power down, but I think for high speed cornering I'd prefer a 205 tire
> (maybe even a 225) on 7" wheels. Rotational weight would increase of
> course, but I think the benefit of the larger wheel/tire combo would be
> worth the penalty. The point is moot though if you can't do it under
> the rules.
>
> I already have a GTech pro - but I've yet to use it on the 505 Turbo. I
> wanted to use it for tuning once I have a decent baseline to work with.
> Right now the car is stock - but what I'll likely do is run numbers with
> the stock tire combo, then run them after with the wheel tire upgrade.
> I'll definitely post results - even if I prove myself wrong. Curiosity
> is far to great as I just have a hunch the car is just under tired for
> what I want it to do.
>
> I also have no doubt that my suspension is in dire need of work, and it
> could use a ton of tuning, but I still think the car is too heavy, and
> it has capabilities that exceed the limits of the size of tire it's
OnOn
> running. Just my .02 though...
>
> I'm all talk until I find out for myself - so hopefully my hunches are
> correct and I don't mess up the handling. If I do - then I'll have a
> much better idea of where to focus my attentions... If nothing else -
> the car will look cool with bigger wheels and tires on it... :)
>
> Too bad we didn't have hills in Saskatchewan (flat as flat can get for
> hundreds of miles) - hill climbs would be a hoot...
>
> ----- Original Message -----
> From: Karydas <karydas@hol.gr>
> Date: Friday, July 22, 2005 1:13 pm
> Subject: RE: RE: RE: [Peugeot-L] 604 to 504 suspension swap
>
> > I wouldn't give up on these rims and the 195's just yet. Tire
> > pressures(try cold 40 psi) tire temperatures (are they warm enough
> > when you run
> > them) and suspension tweaks make a world of difference. I am not very
> > fond of extra wide tires because of the extra weight and the
> > accompanying problems. The tire that I really like is the medium
> > compound A048 Yokohama rally tire. (I inflate it to 38 psi and keep
> > warming it up until my pressure gauge tells me that the tire pressure
> > has stabilized at which point I let it rip.) Suspension set-up is
> > morecritical. Where are you loosing adhesion first (F/R all
> > fours?) Are
> > your inside wheels coming off the ground before you start
> > skidding? Are
> > you using a strut tower bar? (You can make one really easily and it
> > makes a world of difference.) The permutations are way many especially
> > without instrumentation. Have you heard of the gtech device
> > (www.gtechpro.com)? It is worth a look and if several autocrossers buy
> > it together it costs about the same as a night out. Anyway, I have the
> > feeling that you can do really well with the 195's with a strut tower
> > bar, polyurethane bushings for parts of your suspension and revised
> > spring rates and adjusted height. All this can be done on the cheap
> > (cutting off some of Brian's old coils, machining the bushings out
> > of PU
> > blocks, making the strut tower bar in a machine shop). Let me
> > know if
> > you want to go that route and I will post specifics.
> >
> > Thanos
> >
> > -----Original Message-----
> > From: James Rabin [rabin505@sasktel.net]
> > Sent: Friday, July 22, 2005 9:27 PM
> > To: Karydas
> > Cc: peugeot-L@yahoogroups.com
> > Subject: Re: RE: RE: [Peugeot-L] 604 to 504 suspension swap
> >
> > Is it possible to use widened Peugeot steel wheels?
> >
> > While slaloming my 505 Turbo - I found that the 195 section tire was
> > easily overpowered and it wasn't up the cornering forces I was
> > generating. (Yokohama A008 R-compound tires)
> >
> > After finding that the BMW 5 series had similar offset - I decided
> > to go
> > that route and find wheels to fit to my car that would give me the
> > dimensions I needed.
> >
> > Aside: The wheels I recently bought ran into a snafu, and they were
> > refused by the place my buddy had me ship them too. (He said
> > there was
> > no problem for me to ship there!) I now have to see about getting
On
> > themresent and I'll likely have to cover shipping again... :(
> >
> > Ah well - it was a good deal and still is even with x2 shipping.
> >
> > Once I finally have the wheels in hand I'll be able to nail down the
> > spacer width at the front, and then the wheels are getting refinished,
> > tires mounted, and the spacers made - all at the same buddies shop...
> > :)
> >
> >
> >
> >
>
>
>
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Received on Sun Jul 24 09:32:29 2005
