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YOUR RESEARCHTire Cupping.... again
Leading reported evidence
Check printout of the alignment specs
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I checked the printout of the alignment specs from the shop that did the work and it says "X74" settings.
Leading evidence: 'Check printout of the alignment specs' (no explicit attributable resolution; this is a reported action or suggestion). Across 1 matching discussions, The most frequently discussed action is 'Check alignment in these cars' (1 discussions). For that action, 0 discussions report a resolution and 0 report an unsuccessful attempt. No action has an explicit, attributable resolution report under the current rules. These are forum reports and suggestions, not a confirmed diagnosis.
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Suggestion · Original poster
How often to you need to check the alignment in these cars?
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Suggestion · Original poster
Do you have the alignment checked every 10,000 miles?
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Looking for some advice on my tire eater...
I bought a 911 Cab from a local Porsche dealer about a year and half ago. When I got the car it had alignment issues; wheel shake at 100k/m. I went back to the dealer and made a deal to have the tires replaced and have the car alignment fixed.
Now 16,000 KM or 10,000 miles later I have the same issue as before. The car is a 2003 with 40,000km on it. It�s never driven in the winter.
How often to you need to check the alignment in these cars? Is it just me?
The wear on the tires is significant - inside is 3/8� smaller than the outside.
Thanks for any help!
Chris
10,000 miles and inside is wearing? Rear tires? Tire replacement on rear tires at 10,000 miles is not that uncommon. The insides wear more than the outside due to negative camber. The softer the tire compound, the better it handles and the faster the wear.
The rears inners do wear out before the center or outside. Just a fact of life in the performance set up. Best to always be checking for the wear. That's bend over and take a good look because the outside will look great while the inner can go down to the belts of the tires.
You say the same issue? Does that include the mentioned shaking? No matter what when tires are worn down they aren't as ballanced and have had their better days.
Like they say, plan on buying tires around every 10k miles. Gone are the days of the work car tires of 30-50k miles out of them. Although some of those tires migh be fun to slip and slide in the turns with
While it's true that the rear tires wear faster on the inside edge, there can be a dramatic difference in mileage depending on the alignment and suspension. For example, my first set of Contis lasted almost 20K miles on the rear. I purchased a new set of rears around the time I had the ROW M030 suspension installed and aligned. After 8K miles the inside of my rears are at the wear bars! This is the first I'm noticing this as I just did my annual oil change. I checked the printout of the alignment specs from the shop that did the work and it says "X74" settings. My suspicion is that this is the reason for the faster tire wear but I can't say for sure. Does anyone know if X74 settings are more aggressive than M030? Everything else about the car is exactly the same including the loose nut behind the wheel.
To the OP: Is it possible you have some damaged suspension parts that haven't been diagnosed yet?
With the stock rear camber....you will def eat the inner edge of your tires much faster than the outside. It all depends on your driving style and usage.
If you are doing a lot of commuting....straight line driving...you would be better to dial out some of the camber in the rear. Your tires will last longer...but you won't have quite as much corner stability if you decide to do any canyon carving or autoX days.
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