Shopping for Tires

panther427 said:
What about cooper zeon. RS3-A they make them. In the 20 inch size

I'm looking at the Coopers next time I need tires on the GTO.  The Coopers are standard equipment on Roush RS3's.  They are supposed to be an outstanding dry tire.
 
I've found that prices are around 10-15% lower if you go with 255 vs 245 tread width (depending on the tire).  the 10 extra mm's doesn't seem to have any negative effect on the car according to those that made the switch...
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Aren't the 255's a little taller also?Might affect overall gear ratio?
 
bykr said:
Aren't the 255's a little taller also?Might affect overall gear ratio?

Yes. About 1% as far as speed goes.
speed_zps994c5229.jpg


http://www.roadkillcustoms.com/hot-rods-rat-rods/Speedometer-Calibration-Tire-Size-Change-Calculator.asp#axzz2qF9nviQz
 
I haven't ordered anything yet, but I have been shopping around for a better price. The difference in price from one seller to another is astounding. The prices below include mounting and balancing. For online sellers, I've added extra for mounting and balancing. Also, sales tax is included where applicable.


Sears (with promo code): $666.27

Discount Tire Direct: $756.00 (I asked for a price match and they asked me to give them a call. I'll follow up with results when I call.)

Local Tire Place #1 (family price): $709.14

Local Tire Place #2: $801.36 (This is the original place I was going to purchase them.)

Local Dealership (Not FoMoCo): $896.48


As you can see, there is a significant difference from the least to most expensive.



EDIT: I just wanted to follow up regarding Discount Tire Direct. I just hung up the phone and that place is phenomenal! They only required that I submit a link to the tire, which shows the lower price and they were actually able to beat the price. The final price, shipping included, was $596.00 for four General G-Max AS-03 tires. That is unheard of for a 245/45R20 brand name tire. As long as the rest of the transaction goes this smoothly, I don't see myself ever buying from a different seller.
 
Just curious.  Those are all for the same tire I assume.  Do they offer different types of balancing?  Like DTD has that "road balance" option.  Some spin the wheel, some "from the old days" just put it on a level and some do the road balancing.  My guy spun mine but the machine also had a "road balance" on it.  Like a roller on a dyno that puts road pressure on the tire as it spins.  Did they include new TPMS kits? (just a stem that adapts to your present sensor.) 
 
I'm only sure of the method used by one of my local tire shops (Local Tire Place #2 in the above pricing). They just spin the wheel. I know there are more accurate methods, but pickings are slim in this neck of the woods. This shop charges $8-$10 to have a tire mounted and balanced and that includes disposal of the old tire. They will also rebalance free-of-charge. It's a pretty fair price from what I've seen. None of the prices I mentioned above include the TPMS kits.

On a side note, I just had to have one of my TPMS sensors replaced a couple of weeks ago.
 
Walmart will mount, spin balance, and reset the TPMSs for $40.00 in Phx, but they won't mount a different size tire than is on the vehicle when you get there... Just did my son's MKS.  Discount Tire here will do any size, same service, for $100... Product liability I guess but makes the first "one up" costly.
 
Those idiots at walmart kind of screwed me up.  First, yeah, the size.  Then they tried to pull a stem with the chrome cover on it.  Lastly, the put in a bent valve and I woke up the next morning with a flat.  This was on my old 2010 Impala.  I will never go there! 
 
No problem. The code is "35BUCKS" and should be valid on any automotive purchase of $350 or more. If you're interested in the General tires, I must point out something I noticed.

If you follow the links I've provided below, the first one will take you to a Sears page that displays the tire and is titled 245/45R20. However, if you look at the model number of the tire, you'll notice that it matches up with the model number for the 245/35R20 on General's website. It could just be a typo, but I didn't want the hassle of having to return and reorder the tires.

http://www.sears.com/general-g-max-as-03-tire-245-45r20-103w/p-09540734000P

http://www.generaltire.com/tires/performance/g-max-as-03#Specs
 
The tires arrived earlier today and I promptly had them installed. Prior to the install, I noticed the tires seemed very light. If I'm not mistaken, I think they weigh in at around 27lbs. Most other tires of the same size come in at 30+. This is both good and bad. Obviously, the good comes from having less rotating mass. The bad, I fear, is that they seem to have removed the weight through removal of sidewall material. As if it weren't already important enough to avoid curbs, this just makes it a necessity. Once the Michelin Primacy MXV4s were removed, I performed an extraordinarily scientific test (I pinched the sidewall of each tire with my fingers). I could flex the sidewall of the Generals with relative ease. The Michelin sidewalls seemed much more robust.

I was only able to put around 50 miles on them today, but so far, I'm liking them. While they're technically an ultra high-performance all-season tire, they seem to absorb the roughness of the road much better than the MXV4s, which are touring tires and should be more geared toward comfort. The Generals also track much straighter than the Michelins. When initially researching tires, I kept reading that the Continental DWS had a tendency to wander. I was hoping that wouldn't hold true for the Generals and thankfully, it doesn't... at least at this point it doesn't.

To be honest, it's far too early for me to offer a thorough review of the G-Max, but I do have high hopes based on my limited experience with them thus far.

I'll be putting 1000+ miles on them over the course of the next couple of days, so I'll report back with an update.

As an aside, I cannot express how pleased I am with Discount Tire Direct. I would not hesitate to order tires from them again.
 
Sounds like you made a good choice, so far.  Are you happy with the way they look?  My Primacys are fairly stiff and a couple extra psi doesn't help.  How many miles did you get out of them?  I have always had good experiences with DTD. 
 
The MKS just hit 45k miles this week, but that isn't an accurate gauge for the tires as two of them had already been replaced when I bought the car. I would estimate that three of them still had at least another 15k miles, while the fourth probably had 30k miles left to go. I just wanted something different. I like to push the car on these curvy WV roads and the touring tires just weren't cutting it. I also just installed the Power Stop slotted/drilled brake kit, so my driving is bound to become even more spirited now! I wouldn't say the Primacy MXV4 is a bad tire. It just wasn't the right tire for me.
 
EBB has oft mentioned reduced wheel hop as a benefit of going with the Continental DWS's vs the Michelin PSS's.  Softer sidewall.  How soft is too soft?  That I do not know.  Also means you get reduced steering response.
 
When I first purchased the MKS, I thought I was experiencing wheel hop on hard acceleration, but it turned out to be an issue with the transmission, which was resolved through a TSB. So, I guess I can't really comment on wheel hop from the Michelins or the Generals. I should point out that my MKS does not have any "go fast" mods and I was running the MXV4s rather than the PSSs. Those are two very different tires.

The car has been aligned and I've logged 1200+ miles on the Generals so far. Again, I have to point out that the Generals are much smoother than the Michelins. Due to the soft sidewall, I wouldn't recommend the G-MAX as a dedicated track tire, but that wasn't my goal. I wanted a smooth ride with excellent water shedding ability and I've found it in the G-MAX. I am very pleased with my purchase. It will be interesting to see how they wear and at the rate I drive, it won't take long.
 
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