The R888 has a semi race construction (very stiff) and a race tread compound. Always refer to vehicle owner's manual for recommended tire pressure settings. Toyo Proxes RR tire comes in 27 sizes with maximum tire inflation of 44 psi to 51 psi. Toyo Open Country WLT1 tire comes in 17 sizes with maximum tire inflation of 80 psi. Special Trailer Tire Load and Inflation Table, Temporary Spare Tire Load and Inflation Table. Toyo Versado Noir tire comes in 52 sizes with maximum tire inflation of 50 psi to 51 psi. Toyo Proxes T1R tire comes in 24 sizes with maximum tire inflation of 44 psi to 50 psi. Toyo Open Country Q/T tire comes in 37 sizes with maximum tire inflation of 44 psi to 51 psi. The optimum tread temperature range is between 85C and 95C measured using a probe type pyrometer, and ideally a maximum difference across the tread of 9C. 6 | 50 - 51 psi Toyo Proxes R888 tire comes in 6 sizes with maximum tire inflation of 50 psi to 51 psi. Buying your own gauge will insure you get similar readings. Achieving the required tread temperatures will depend again on the conditions on the day i.e. The Proxes R888 is Toyo's Racetrack & Autocross Only tire for driving enthusiasts participating in road racing, track days and high-performance driving schools. Toyo Proxes 4 Plus tire comes in 67 sizes with maximum tire inflation of 50 psi to 51 psi. My name is Alan Meaker, I am the Motorsport Manager for Toyo Tyres (UK) Ltd. ambient and track temperature, wet or dry. This was done primarily for sprint/hillclimb (around 60 second runs) where the distances covered are relatively short and you need the tyres to work/heat up very quickly. If I can be of any further assistance please give me a call. The maximum hot pressure we recommend is 40psi. Toyo Proxes R888 tires come in 6 tire sizes with maximum tire load capacity of 1136 pounds to 1709 pounds and maximum tire inflation of 50 psi to 51 psi. Toyo Extensa A/S tire comes in 53 sizes with maximum tire inflation of 44 psi to 51 psi. For individual tire size, refer to its load and inflation table. What I would like to do is to offer some advice on tyre temperatures and pressures and how to achieve the best from our tyres when taking part in either trackdays or racing. Toyo H09 tire comes in 3 sizes with maximum tire inflation of 69 psi to 83 psi. Toyo Open Country C/T tire comes in 25 sizes with maximum tire inflation of 50 psi to 80 psi. Regarding sizes, initially we will have a rear fit (225/45ZR17) but not the front (195/50R16). Toyo Tires Classic Porsche Sizes Proxes T1R and R888 ambient and track temperature, wet or dry. Therefore the temps you record in the pits will be lower than those during the race. Toyo Celsius tire comes in 54 sizes with maximum tire inflation of 44 psi to 51 psi. PASSENGER & P-METRIC LIGHT TRUCK TIRE LIMITED WARRANTY - complete details. Tire psi printed on the sidewall is the maximum air pressure that Toyo Proxes R888 tire can be inflated to support its maximum load capacity, and not necessarily the recommended tire pressure for your vehicle. The tread temperatures are constantly changing through out a race, hotter when cornering and cooler when on the straights and cooling even more when you are slowing to come into the pits. That said starting at the low end will help you find the correct pressure faster. If your idea of fun includes road racing, track days, and high-performance driving schools, then this DOT competition tire* is for you. Select Toyo Proxes R888 tire size for its maximum tire load capacity and inflation. SETUP GUIDELINES. Toyo Proxes R888 tire comes in 6 sizes with maximum tire inflation of 50 psi to 51 psi. Thanks. The pressures you use will initially depend on the weight of the car, too little pressure on a heavy car can lead to over deflection of the tyre and subsequent failure. Reduce Oversteer Reduce rear pressures or increase front pressures Always refer to vehicle owner's manual for recommended tire pressure settings. Changing hot inflation pressures by small amounts can be used to fine tune handling. Some of you are also asking about different compounds. The Toyo R888 is a Trackday and Competition Summer tyre designed to be fitted to Passenger Car. The optimum tread temperature range is between 85C and 95C measured using a probe type pyrometer, and ideally a maximum difference across the tread of 9C. Toyo Proxes 4 tire comes in 10 sizes with maximum tire inflation of 50 psi. This is not a compound I would recommend for race/trackday dry use as the tyres will go off very quickly. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall. Toyo Proxes R888 Tire Pressure. https://wiki.seloc.org/index.php?title=Tyre_pressures&oldid=12033, Road (and no abnormal centre wear at all). Toyo Proxes ST III tire comes in 49 sizes with maximum tire inflation of 50 psi to 51 psi. Another subject is the introduction of our Proxes R1R. All listed data and/or calculations are for informational purposes only. Toyo Tires warranty program. Toyo Observe GSi-6 HP tire comes in 31 sizes with maximum tire inflation of 50 psi to 51 psi. The Toyo R888R is the hotly anticipated successor to the incredibly popular R888 tyre so it has some very big boots to fill, and that is exactly what this all new tyre has done. Toyo Open Country R/T tire comes in 47 sizes with maximum tire inflation of 35 psi to 80 psi. Toyo Open Country M/T tire comes in 76 sizes with maximum tire inflation of 35 psi to 80 psi. Toyo Versado Eco tire comes in 9 sizes with maximum tire inflation of 44 psi to 51 psi. This tyre was due to be launched at the beginning of 2008, unfortunately this has been delayed to at least mid 2008 but there is a good chance it will be latter than this. Toyo M-55 tire comes in 16 sizes with maximum tire inflation of 50 psi to 80 psi. Special Trailer Tire Load and Inflation Table, Temporary Spare Tire Load and Inflation Table. Never overload or overinflate Toyo Proxes R888 tires beyond the maximum tire load capacity and tire inflation values indicated on the tire sidewall. Increasing your tyre pressures will cause your tread temperatures to increase, more pressure stiffens the tyres casing which results in the tread having to do more work resulting in the tread getting hotter. Toyo Proxes R888R tire comes in 63 sizes with maximum tire inflation of 50 psi to 51 psi. Toyo Extensa A/S II tire comes in 33 sizes with maximum tire inflation of 44 psi to 51 psi. 499 posts. For individual tire size, refer to its load and inflation table. Increase Understeer Increase front pressures or reduce rear pressures. Its optimized construction and tread design balances dry performance and wet traction, keeping you fully under control in extreme driving situations. The Proxes R888's advancements in casing and tread design improve dry performance while maintaining wet traction and control. Originally we only had one compound GG (medium hard), but we have now introduced some sizes in a SG (soft/wet) compound. Toyo Proxes RA1 tire comes in 11 sizes with maximum tire inflation of 44 psi. Toyo Observe GSi-5 tire comes in 123 sizes with maximum tire inflation of 44 psi to 51 psi. Camber angles up to 5 degrees are permissible but the final setting will depend on tread temperatures. Toyo Proxes R1R tire comes in 22 sizes with maximum tire inflation of 50 psi to 51 psi. All listed data and/or calculations are for informational purposes only. I was at Rockingham on the Saturday 1ST March at the LOT trackday and worked with a couple of cars using our R888 tyre regarding pressures and tread temperatures. Hot pressures must be balanced side to side. Inevitably changing one thing will affect other things, the whole set up of your car is a compromise between anything that is adjustable. As a tyre gets hotter the pressure increases, this is due to the moisture in the air. Lowering your pressures will cause them to decrease. The R888 has a semi race construction (very stiff) and a race tread compound. Never overinflate or overload a tire beyond its maximum capabilities listed on sidewall. Reduce Understeer Reduce front pressures or increase rear pressures Toyo Proxes R888 tire load capacity and tire inflation settings may vary based on tire load range or ply rating. We provide tire pressure charts for 36 Toyo tire models. Toyo Observe Garit KX tire comes in 24 sizes with maximum tire inflation of 50 psi to 51 psi. I recommend that the tyres be put through 2 heat cycles before hard use. Roddo - did you test the very latest Toyo R888R , or the original R888? The Elise manual says 26F/27.5R for Bridgestones on a K series but this may be too high with rear centre tread wearing first. Toyo Proxes R888 tire load capacity and tire inflation settings may vary based on tire load range or ply rating. It is advisable to have as much positive castor as practical as castor induces a beneficial camber change during cornering. I don't want a 30 sidewall and hoping they release a 305 or 315-35 option in 18" soon in the R888R. Please beware that tyre pressure is part of your suspension setup and the pressure numbers from the manual is a good start if you run factory geo and OE tyres. The Proxes R888 is for drivers who know what it means to really push a car. I've really enjoyed the R888. Make sure you buy a tyre pressure gauge of your own, who knows when the last time the air pump at the garage was calibrated. You often here competitors saying My tyres started to go of towards the end of the race, this is usually due to the tread getting to hot. Check Toyo Proxes R888 tire sidewall for more information. TirePsi.com does not warrant or make any representations regarding the accuracy of or the results of the use of this information. So if you record temperatures within the range given above the probability is the temps will be too high during the race. Toyo Open Country H/T tire comes in 51 sizes with maximum tire inflation of 35 psi to 80 psi. Camber angles up to 5 degrees are permissible but the final setting will depend on tread temperatures. The cold pressure you set to achieve a desired hot pressure will depend on the conditions on the day i.e. Once the tyres have cooled you will find that you will have a difference in pressure side to side, if you have been racing on a right hand track you will find the offside pressures will usually be higher than the nearside. Please enter all readings as COLD for Road and HOT for Track. The maximum hot pressure we recommend is 40psi. The pressure guy will say my tires work best at 30 psi. This tyre has been replaced by the Toyo R888 R. Show All. Anything else is trial and error. Toyo Observe G3-Ice tire comes in 121 sizes with maximum tire inflation of 44 psi to 80 psi. This page was last modified on 20 August 2016, at 05:12. Check Toyo Proxes R888 tire sidewall for more information. Toyo Proxes TQ tire comes in 6 sizes with maximum tire inflation of 44 psi. Toyo Proxes RS1 tire comes in 4 sizes with maximum tire inflation of psi. Toyo Extensa HP II tire comes in 53 sizes with maximum tire inflation of 50 psi to 51 psi. Toyo H08+ tire comes in 1 sizes with maximum tire inflation of 83 psi. Toyo Proxes Sport tire comes in 82 sizes with maximum tire inflation of 50 psi to 51 psi. Toyo Celsius CUV tire comes in 32 sizes with maximum tire inflation of 44 psi to 51 psi. 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