Replacement tires Quad - Page 2 - Alfa Romeo Bulletin Board & Forums
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post #16 of 30 (permalink) Old 02-04-2019, 02:04 AM
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You can't ABUSE a brand of tire on a dry skidpan then ask whats a better tire choice.
Abuse will destroy any brand equally

Glen 3.0 GTV6 2.0 156 JTS
EX 1.2 Alfasud. 1.8 and 2.0 Alfetta's 2.5 Alfa75
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post #17 of 30 (permalink) Old 02-04-2019, 03:56 PM
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I know someone who put a vortech supercharger on a C5 Corvette and then fit really hard and cheap tires. That way he could do demo donuts for next to no money, easily and without damaging the tires for a long time. I know that sounds a bit childish.

What's wrong with that?

Sensible childish works for me.

1991 Alfa Romeo 164L 5 spd
White on grey leather 230K km, owned from new
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post #18 of 30 (permalink) Old 02-04-2019, 05:48 PM Thread Starter
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abuse or "valuable learning experience"?

Quote:
Originally Posted by sportiva View Post
You can't ABUSE a brand of tire on a dry skidpan then ask whats a better tire choice.
Abuse will destroy any brand equally
Glen, both of my students were first timers to our School. One had mostly used up tires before School, not the photo posted by Nicholas.
Oh, I wish you could make it over here to one or our Schools. It is interesting to see people who seemed pretty "normal" on Saturday trend over to "Oh what the heck" by Sunday afternoon.
We got Nicholas of to join the club, the other had such a good time he will bring out his son in the next School in Sept and he is also looking for an older Alfa.
Oh, here is a shameless plug for School with a video we had made last year.
Blue suit is Steve H who runs our School.
Red suit is Judy G who started out the same time I did in the mid '80s. We taught both of her sons recently. GAWD that is depressing, I knew her and later her husband before they knew each other.
Thanks to all who have contributed to this thread. Both of the Quad owners are impressed with the response. You actually sort of sound like you all know something about cars, or at least tires . . .

I see in our video only shows the wet skid. The videographer was there only on Saturday. By Sunday afternoon the skid pad is dry for the last exercise where we grind away those tires.
The yellow suit is April F. That is her SZ behind her and later on the track.
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Paul Blankenship AROSC
76 Alfetta GT -Track and daily driver; 88 Milano - a continuing project

Last edited by sidewaysalfa; 02-04-2019 at 06:00 PM.
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post #19 of 30 (permalink) Old 02-04-2019, 07:25 PM
Del
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Sounds like fun, but I cannot afford to grind away tires, regardless.

Del

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1989 Milano, Shankle Sport
1991 164S, stock
1994 164LS (~Q)
1972 Morgan 27

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
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post #20 of 30 (permalink) Old 02-05-2019, 05:44 AM
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Once your tires are five years old it costs you nothing to waste the remaining tread. Bonus, five year old tires are often at their peak in the sense of worn tread and cooler running temperatures. In the wet they may not be so hot.....

1991 Alfa Romeo 164L 5 spd
White on grey leather 230K km, owned from new
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post #21 of 30 (permalink) Old 02-05-2019, 11:50 AM
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Maybe, maybe not.

Del

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1989 Milano, Shankle Sport
1991 164S, stock
1994 164LS (~Q)
1972 Morgan 27

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
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post #22 of 30 (permalink) Old 02-05-2019, 01:39 PM
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You mention this car is an 18, so it sits like an inch higher than the 2017. The customers must have complained about cracking the $2700 front carbon splitter so the ride height increased.

I wonder if the US cars with the jacked up ride height are aligned with less negative camber? Sure looks like not enough camber. Look at all the tire on the inside.

Louis
2011 M3 e90 ZCP no sunroof, 2004 M3 e46 no sunroof , 1987 Milano 24v, 1987 Milano Verde

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post #23 of 30 (permalink) Old 02-05-2019, 03:56 PM
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Are the US delivery Stelvio and Giulia "jacked up" as some Alfas were in the past for US headlight and/or bumper height requirements?

Del

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1989 Milano, Shankle Sport
1991 164S, stock
1994 164LS (~Q)
1972 Morgan 27

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6
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post #24 of 30 (permalink) Old 02-05-2019, 04:23 PM
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The photo is of a front tire excessively worn from understeer. Even if the static ride height reduced the initial negative camber that tire is going further negative as suspension compresses.

Even assuming Alfa made no camber adjustment with the ride height increase, itself doubtful, generally speaking SLA double wishbone front suspension won't go into positive with suspension compression. McPherson struts do because of the fixed strut angle. The length of the strut keeps camber change fairly linear but eventually it goes positive when the angle of the LCA rises far enough above horizontal.

1991 Alfa Romeo 164L 5 spd
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post #25 of 30 (permalink) Old 02-05-2019, 05:00 PM
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All worldwide spec Giulia QV are jacked up from late 2017.

Unfortunately, the Giulia has no front camber adjustment. Just not enough negative camber with soft Corsas on the track.

Louis
2011 M3 e90 ZCP no sunroof, 2004 M3 e46 no sunroof , 1987 Milano 24v, 1987 Milano Verde

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post #26 of 30 (permalink) Old 02-05-2019, 05:11 PM
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Unfortunately, there are drawbacks to large or excessive amounts of neg camber. Found that out with the 164 with no adjustment. At least they must have made changes to our LS, as it's front tire scrub phenom isn't nearly as bad as our 91S.

Del

Seattle

1989 Milano, Shankle Sport
1991 164S, stock
1994 164LS (~Q)
1972 Morgan 27

previously owned since 1964:

62 Morris MiniMinor 850, 67 Austin 1275 Cooper S (Downton 3/4 race), 64 Giulia Sprint GT (1st red one made), 72 Fiat 128 Sedan, 75 Alfetta Sedan, 78 Alfetta Sedan, 78 GTV, 81 GTV6, 86 GTV6

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post #27 of 30 (permalink) Old 02-06-2019, 05:46 PM
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Italian suspension engineers assume windy roads as do British suspension engineers. The 164 is designed with hard and fast cornering in mind as the most common input to tire wear. Drive one in straight lines and the front tires take an unusual beating.

BUT, drive a 164 hard and fast down very windy roads and then you get your moneysworth out of that tire wear. Not less wear you understand but wear that returns dividends.

German cars are designed for long straight roads......

1991 Alfa Romeo 164L 5 spd
White on grey leather 230K km, owned from new

Last edited by Michael Smith; 02-08-2019 at 09:58 PM.
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post #28 of 30 (permalink) Old 02-07-2019, 07:05 AM
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Quote:
Originally Posted by Potenziato View Post
All worldwide spec Giulia QV are jacked up from late 2017.

Unfortunately, the Giulia has no front camber adjustment. Just not enough negative camber with soft Corsas on the track.
Correct, then dropped back down late 2018 due to complaints. I have been offering early 2017 springs to QV owners to drop them back down.

I will do the same for giulia, and Q4.

No camber adjustment. I am sure some aftermarket will come out with something if it is possible. I do not recommend lowering these cars either even though that may give you more negative camber.


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post #29 of 30 (permalink) Old 02-07-2019, 11:14 PM Thread Starter
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Replacement tires

Nicholas reports he did get some new tires:
I had the Michelin Pilot Sport 4S mounted that were suggested by several in the forum. See sizes below.
Front 255/35-19/XL
Back 295/30-19/XL
I had only 4,500 miles on the old ones. The rear tires are still good so I keep them in my garage for now.
Yes, I am new Alfa owner. I got mine right when it was launched in 2017 but its not my daily drive.

I am waiting for the other Quad owner to reply. Stay tuned.
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Paul Blankenship AROSC
76 Alfetta GT -Track and daily driver; 88 Milano - a continuing project
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post #30 of 30 (permalink) Old 02-08-2019, 10:48 PM
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I'm the "Other Quad Owner". I had about 16K miles on my Corsas and pretty much just finished them off at the school. The QV is my daily driver (except in bad weather) purchased in 2017 and those were the stock tires. I ended up getting Corsas as my replacement tires. Not much rain in SoCal (except for this year) and the Corsa seems to be a good tire for dry road conditions and I wanted to stay with the stock tire size. BTW, the AROSC course is a blast and I highly recommend it.
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