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Old 11-24-2021, 02:49 PM   #1
khcoaching
 
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Toyo Proxes RR - Anyone run them?

These tires seem really affordable and come in sizes I can use....anyone have experience with them in our cars?

Searching didn't really reveal anything.....

https://www.tirerack.com/tires/tires...odel=Proxes+RR

Ken
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Old 11-24-2021, 04:43 PM   #2
Badmojo
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I was researching the same thing. I never ran them, but was told to stick with 3R's based on the feedback from others.
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Old 11-24-2021, 05:34 PM   #3
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Quote:
Originally Posted by khcoaching View Post
These tires seem really affordable and come in sizes I can use....anyone have experience with them in our cars?

Searching didn't really reveal anything.....

https://www.tirerack.com/tires/tires...odel=Proxes+RR

Ken
Well I dont really see anybody running these at the track on our cars but I do see alot of MIATA guys running them in the smaller sizes. The best track tire for our heavy cars would be a slick like a pirelli or a michelin. Second best would be the 3R's. They 3R's are only about 2-3 seconds SLOWER than a slick and I would bet you they are just as fast as the TOYO RR's.
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Old 11-25-2021, 02:22 AM   #4
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Quote:
Originally Posted by sr71bb View Post
Well I dont really see anybody running these at the track on our cars but I do see alot of MIATA guys running them in the smaller sizes. The best track tire for our heavy cars would be a slick like a pirelli or a michelin. Second best would be the 3R's. They 3R's are only about 2-3 seconds SLOWER than a slick and I would bet you they are just as fast as the TOYO RR's.
They are a spec tire for some Miata classes as well as some E36 classes. (I also read they were for some American Iron classes which is what got my attention) If they were the same speed as the 3R's I'd be good with that. The price is near 40% less.

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Old 11-25-2021, 08:33 AM   #5
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Quote:
Originally Posted by khcoaching View Post
They are a spec tire for some Miata classes as well as some E36 classes. (I also read they were for some American Iron classes which is what got my attention) If they were the same speed as the 3R's I'd be good with that. The price is near 40% less.

Ken

OK so the very best way to control you tire costs for us road rats is to invest in a set of 18 inch wheels like APEX 18 x 11 ET25 EC7 (in my case) because of the good availability of RACE CAR tire Scrubs in that 18 inch wheel diameter. That will set you back about 1500 dollars BUT then you can readily purchase MICHELIN or PIRELLI slicks in sizes 305 660 18 (Pirelli) or 30 65 18 for 100-125 dollars a tire including shipping

You will be 6-7 seconds FASTER on these SCRUBS than on your street tires. If you run a SQUARE setup like some of us you can rotate your tires to help extend their life .

A good scrub has less than 4 heat cycles and they will be effective for around 12 heat cycles. Since I run 2-3 track events a month now, I usually buy a set of scrubs every 4-6 weeks. The SCRUBS will last LONGER than a new 3R and will brake and handle better but to be most effective you will need to run a race pad like a HAWK DTC70 on the front and a DTC60 on the rear. You will also need hi temp brake fluid and stainless steel brake lines are useful.

Every track day I change out by brake pads to DTC 70's and 60's and run the 18 inch wheels with slicks. It takes me about an hour and a half to change all the wheels and brake pads out. I have found that the MICHELIN slicks are a LITTLE stickier than the PIRELLI's but the PIRELLIS last longer.

I am just NOW replacing the DTC70 brake pads after about four months of track use. The REAR pads still have 60% life left.

I had to run my STREET setup the other day which is my APEX 19 x 10.5 wheels wrapped with MS 4S 305 30 19 tires (300 TW). I had to absolutely drive the shit out the car at Eagles Canyon Raceway CCW and I ran a best of 2.10 compared to a 2.04 with the 18's and Pirelli slicks. With the street tires I had to leave the NANNIES on and with the slicks I leave the nannies OFF. The BIGGEST diffrenece to me between the two is the better BRAKING and FASTER entry and exit speeds that you get using the slicks.
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Old 11-25-2021, 09:56 AM   #6
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^^ Agreed, that seems the best way to go.....

Edit - I see the size breakdown here for the Michelin's....
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Old 11-25-2021, 11:02 AM   #7
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^^ Agreed, that seems the best way to go.....

Edit - I see the size breakdown here for the Michelin's....
YES I have run the 30 65 18 Michelins and the 305 660 18 pirellis and the 305 680 18 pirellis. the 680 is a little tall in my opinion on the Pirellis. I would run 660's all the way around on the Pirellis and the 30 65 18 Michelins on all four corners as well. I prefer the MICHELINS as I said before but there isnt that much difference in the two. The MICHELINS I believe are a little SOFTER compound.
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Old 12-01-2021, 07:34 AM   #8
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I ran these tires with NASA in 2020 with 50whp more than I currently have and being polite.. I hated them, with a passion. When I moved to Hoosiers and dropped 50whp, I went 2+ seconds faster immediately. So for competition I would say use your money on something else, for just track days, I could see someone enjoying them as they last a very long time. But I am not an amazing driver by any stretch, so it's very possible that someone else could love these tires and could make them work.
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Old 12-07-2021, 08:22 AM   #9
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Quote:
Originally Posted by khcoaching View Post
These tires seem really affordable and come in sizes I can use....anyone have experience with them in our cars?

Searching didn't really reveal anything.....

https://www.tirerack.com/tires/tires...odel=Proxes+RR

Ken
I am going to buy a set, I was at Sebring last year and a guy was running the RRs, he was flying
8 seconds a lap faster then me on G3’s
He was running a square 19 x 295s tires are only $265 each

My friend uses them on his American Iron car, he loves them, that is the spec tire for AI
The R888Rs are not that good, but I heard very good things about RRs
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Old 12-07-2021, 08:56 AM   #10
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I am going to buy a set, I was at Sebring last year and a guy was running the RRs, he was flying
8 seconds a lap faster then me on G3’s
He was running a square 19 x 295s tires are only $265 each

My friend uses them on his American Iron car, he loves them, that is the spec tire for AI
The R888Rs are not that good, but I heard very good things about RRs
Ok GY3R's are 2-3 seconds faster that your GY3's . So you are NOT going to be faster than a GY3R tire with those TOYO RR's. That means you should NOT expect to be 8 seconds faster with just the tire change. Beware also that TOYO RR tires have a cross section width that is wider than most tires that are technically the same size as theirs. For instance I COULD NOT run a 305 width TOYO RR's on my car (on front) because the section width of the tire caused interference with the strut but I CAN and DO run Pirelli 305 width slicks.

I ran a 2.10 on 300TW MS 4S tires at Eagles Canyon and a 2.04 on Pirelli Slicks or approximately 6 seconds faster. I had to absolutely drive the shit out of the car with the MS 4S tires but the time gap between a slick and a street tire will be narrower as you get more skilled at driving.

A year ago for me for instance the gap would probably be 10-12 seconds between the slicks and the street tires.
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Old 12-07-2021, 10:31 AM   #11
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Originally Posted by sr71bb View Post
Ok GY3R's are 2-3 seconds faster that your GY3's . So you are NOT going to be faster than a GY3R tire with those TOYO RR's. That means you should NOT expect to be 8 seconds faster with just the tire change. Beware also that TOYO RR tires have a cross section width that is wider than most tires that are technically the same size as theirs. For instance I COULD NOT run a 305 width TOYO RR's on my car (on front) because the section width of the tire caused interference with the strut but I CAN and DO run Pirelli 305 width slicks.

I ran a 2.10 on 300TW MS 4S tires at Eagles Canyon and a 2.04 on Pirelli Slicks or approximately 6 seconds faster. I had to absolutely drive the shit out of the car with the MS 4S tires but the time gap between a slick and a street tire will be narrower as you get more skilled at driving.

A year ago for me for instance the gap would probably be 10-12 seconds between the slicks and the street tires.
RRs are 40 tread ware g3Rs are 100, they are definitely faster then 3Rs

I will try this year and post the results, I purchased a new set of 3Rs in stock 1Le size, I’ll see how much faster they are then the regular G3’s, I used last year
Once those are worn out I’m going for RRs
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Old 12-07-2021, 11:52 AM   #12
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Originally Posted by CC2018SS1LE View Post
RRs are 40 tread ware g3Rs are 100, they are definitely faster then 3Rs

I will try this year and post the results, I purchased a new set of 3Rs in stock 1Le size, I’ll see how much faster they are then the regular G3’s, I used last year
Once those are worn out I’m going for RRs
I will look forward to your posts but treadwear ratings by themselves are not necessarily an indication that the tire will be faster. The RRs SHOULD be faster YES, but in reality I think you are going to find they are not when compared to 3R's. The 3R's were designed specifically for the ZL1 1LE thru a collaboration of GM and Goodyear. I am no engineer BUT they had to be alot of consideration in the design of the tire specifically in the sidewall of the tire to be able to support the forces thrown at it by a 3900 pound car. RR's work GREAT on 2400 pound Miatas and are basically the preferred tire option on those cars for sure but not so much on our cars.
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Old 12-07-2021, 02:05 PM   #13
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Quote:
Originally Posted by CC2018SS1LE View Post
RRs are 40 tread ware g3Rs are 100, they are definitely faster then 3Rs

I will try this year and post the results, I purchased a new set of 3Rs in stock 1Le size, I’ll see how much faster they are then the regular G3’s, I used last year
Once those are worn out I’m going for RRs
Tread wear ratings are a joke. Tire manufactures can stamp what ever they want on the sidewall for a tread wear rating.
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Old 12-07-2021, 02:19 PM   #14
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I will look forward to your posts but treadwear ratings by themselves are not necessarily an indication that the tire will be faster. The RRs SHOULD be faster YES, but in reality I think you are going to find they are not when compared to 3R's. The 3R's were designed specifically for the ZL1 1LE thru a collaboration of GM and Goodyear. I am no engineer BUT they had to be alot of consideration in the design of the tire specifically in the sidewall of the tire to be able to support the forces thrown at it by a 3900 pound car. RR's work GREAT on 2400 pound Miatas and are basically the preferred tire option on those cars for sure but not so much on our cars.
You make good points, but G3Rs are also made for the street. Dry, warm weather, the RRs are race tires, only! My friend who has been racing for 20 years, compared them to Hosier R7s, but last longer. That is saying a lot, because R7s are fast as hell. We will see, soon. I can’t wait to try the G3Rs, mid month.
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