Mustang_Owner
Well-Known Member
- Thread starter
- #1
Hi all,
I have been looking for some new tires for my 19 x 11.5 rear wheels that don't spin in 2nd and generally hold in 1st. My current MPSS (300 treadwear) 325/30R19 spin in all of 1st, 3000+ RPM in 2nd, and maybe around 5000 RPM in 3rd at WOT. I have to let off the gas in 2nd to keep them from spinning as the RPM approaches 3300 or so. They still hold much better than the factory PP wheels that came with the car. This is my daily driver and I don't expect to go to the racetrack with my car. I've seen sticky tires that hold the road well when dry and get horrible treadwear. I've seen 'performance' summer tires that don't hold the road well when dry but do ok when wet. I need something that is not horrible when wet and gets me good forward acceleration stickiness on a typical flat asphalt road.
Here are my requirements for such a tire:
In dry conditions, on a normal virgin asphalt road without lots of rubber down on it, they don't spin at all in 2nd and are difficult to spin in 1st with a good launch.
In wet conditions, they hold the road at relatively high speeds even on slight turns. No ice or snow performance is needed.
They need to fit my Mustang GT with the widest wheels I could find at 19 x 11.5". That means I can fit up to a 345/xx/R19 tires or smaller.
They should not run out of treadwear for at least 5000 miles, but ideally last to 10000 miles. This assumes that the full HP of the engine is transferred to them often (several times per day). Since they don't spin, the rubber is expected to last longer.
Here's my own research so far:
I picked MPSS because they were the best rated dry and wet tires I could find. However, after using them for almost two months, I would like a better dry traction as the wheel spin is really hurting my acceleration times.
If the treadwear is rated at 300, I think that implies the tires last up to 30000 miles under 'slow' driving. If the treadwear is rated at 200, I think that implies up to 20000 miles. Maybe lower treadwear implies stickier tires, but maybe it just means less wear due to other factors like tread depth. I'm no tire expert, but for the same tread depth and tire size, maybe lower treadwear means higher stickiness?
I looked at the NASCAR tires since they seem to hold well at high speeds around turns, but they only get 150 miles of use per tire (https://www.nascar.com/en_us/monste...r-edu/nascar-basic/Race-tire-street-tire.html) and don't look like they handle in wet conditions too well. I drive so slow in wet conditions around a slight turn on the highway, a Prius can pass me!
Wet does not mean heavy rain and puddles, it just means there was a recent rain and the road is wet. I've found fishtailing at 15 to 30 MPH is somewhat correctable and even fun (wide road with lots of lanes) when nobody else is nearby (pedestrians, vehicles, hazards, etc) to you. Fishtailing at 70+ MPH is not so correctable and not fun even when nobody is around as the car might end up hitting some road hazard while trying to regain control. Comments like, "you don't need better tires, you need to slow down" are not constructive here as I am looking for better performance tires.
I listed the pictures of some tires that I would consider buying for my next set. I am not going to buy the drag radials since I believe the wet performance is horrible. If you have any of these, please let me know how well they work for you in dry and wet conditions. Please post the rear tire specs you have on your car including exact size and your max forward acceleration from your dashboard G-force acceleration. If you need to post your dragstrip track acceleration, then please add that note as I am looking for non-dragstrip asphalt numbers. See yellow circle in attached picture for an example.
I get 0.90 peak forward acceleration with my MPSS 325/30/R19 on flat asphalt dry road in 1st (not at the track). The higher the forward acceleration, the better the grip! Thanks!!
I have been looking for some new tires for my 19 x 11.5 rear wheels that don't spin in 2nd and generally hold in 1st. My current MPSS (300 treadwear) 325/30R19 spin in all of 1st, 3000+ RPM in 2nd, and maybe around 5000 RPM in 3rd at WOT. I have to let off the gas in 2nd to keep them from spinning as the RPM approaches 3300 or so. They still hold much better than the factory PP wheels that came with the car. This is my daily driver and I don't expect to go to the racetrack with my car. I've seen sticky tires that hold the road well when dry and get horrible treadwear. I've seen 'performance' summer tires that don't hold the road well when dry but do ok when wet. I need something that is not horrible when wet and gets me good forward acceleration stickiness on a typical flat asphalt road.
Here are my requirements for such a tire:
In dry conditions, on a normal virgin asphalt road without lots of rubber down on it, they don't spin at all in 2nd and are difficult to spin in 1st with a good launch.
In wet conditions, they hold the road at relatively high speeds even on slight turns. No ice or snow performance is needed.
They need to fit my Mustang GT with the widest wheels I could find at 19 x 11.5". That means I can fit up to a 345/xx/R19 tires or smaller.
They should not run out of treadwear for at least 5000 miles, but ideally last to 10000 miles. This assumes that the full HP of the engine is transferred to them often (several times per day). Since they don't spin, the rubber is expected to last longer.
Here's my own research so far:
I picked MPSS because they were the best rated dry and wet tires I could find. However, after using them for almost two months, I would like a better dry traction as the wheel spin is really hurting my acceleration times.
If the treadwear is rated at 300, I think that implies the tires last up to 30000 miles under 'slow' driving. If the treadwear is rated at 200, I think that implies up to 20000 miles. Maybe lower treadwear implies stickier tires, but maybe it just means less wear due to other factors like tread depth. I'm no tire expert, but for the same tread depth and tire size, maybe lower treadwear means higher stickiness?
I looked at the NASCAR tires since they seem to hold well at high speeds around turns, but they only get 150 miles of use per tire (https://www.nascar.com/en_us/monste...r-edu/nascar-basic/Race-tire-street-tire.html) and don't look like they handle in wet conditions too well. I drive so slow in wet conditions around a slight turn on the highway, a Prius can pass me!
Wet does not mean heavy rain and puddles, it just means there was a recent rain and the road is wet. I've found fishtailing at 15 to 30 MPH is somewhat correctable and even fun (wide road with lots of lanes) when nobody else is nearby (pedestrians, vehicles, hazards, etc) to you. Fishtailing at 70+ MPH is not so correctable and not fun even when nobody is around as the car might end up hitting some road hazard while trying to regain control. Comments like, "you don't need better tires, you need to slow down" are not constructive here as I am looking for better performance tires.
I listed the pictures of some tires that I would consider buying for my next set. I am not going to buy the drag radials since I believe the wet performance is horrible. If you have any of these, please let me know how well they work for you in dry and wet conditions. Please post the rear tire specs you have on your car including exact size and your max forward acceleration from your dashboard G-force acceleration. If you need to post your dragstrip track acceleration, then please add that note as I am looking for non-dragstrip asphalt numbers. See yellow circle in attached picture for an example.
I get 0.90 peak forward acceleration with my MPSS 325/30/R19 on flat asphalt dry road in 1st (not at the track). The higher the forward acceleration, the better the grip! Thanks!!
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