has anyone on here ran hoosier r7’s 315/30/19 on 19x11 apex’s? Been hearing i need to go to 19x11.5’s
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Hoosier R7’s on what rim size
- Thread starterTonymustang302
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Bill Pemberton
0ld Ford Automotive Racing Terror
Now you have two yes votes , Tony, ha,ha!
Dave_W
Cones - not just for ice cream
315 on 11 is completely fine. Will another 0.5 of wheel width give the tire marginally more support, yes. Do you have the experience to utilize that marginal increase in grip, that may be worth a tenth or two a lap? Your decision.
I run them on 19x11.5. They feel great, look great, shoulder wear is mitigated, temps across the tire are rather even. Your -camber plays a part, too. The 315 R7 is measurably wider than a 315 Cup 2. 315 Cup 2 has a stretched sidewall on my 11.5" wide wheel. The R7 in 315 has a square sidewall.
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Mad Hatter
Gotta go Faster
Thats odd... the 315/30-19 Cup 2s should be about 0.2 inchs wider then the same size Hoosiers. Always thought the Cup 2s ran wider and that was part of the magic.
Bill Pemberton
0ld Ford Automotive Racing Terror
Tread width for the PSC2 is 11.5 and the R7 is 11.8 , per the tire spec chart for one of our favorite links on the TMO site ---- Tire Rack. So, yes , The Who Sure is wider than the Cuppa Too!
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For comparison’s sake. Both on 19x11.5” wheels. The Hoosier is noticeably more square.
And just for fun, and to show you that tire spec measurements are about as believable as a persons info on a dating app, here’s a 305 Goodyear Supercar 3R next to a 315 Hoosier R7 (which my previous post displays is visually wider than a 315 Cup 2).
Dave_W
Cones - not just for ice cream
From Tire Rack (who use the same standard method to measure each tire themselves), specs section, 315/30-19 measured on 11" rim.
Michelin Pilot Sport Cup 2 $433 ea.
treadwear: 180; section width 12.6"; tread width 11.5"; diameter 26.5"
Hoosier R7 $507 ea.
treadwear: 40; section width 12.5"; tread width 12"; diameter 26.1"
Looks like I took too long writing this - multi-tasking too much. As pictured above, the "standard" tire size printed on the sidewall tends to be more of a vague representation of actual tire width when dealing with competition-type models.
Michelin Pilot Sport Cup 2 $433 ea.
treadwear: 180; section width 12.6"; tread width 11.5"; diameter 26.5"
Hoosier R7 $507 ea.
treadwear: 40; section width 12.5"; tread width 12"; diameter 26.1"
Looks like I took too long writing this - multi-tasking too much. As pictured above, the "standard" tire size printed on the sidewall tends to be more of a vague representation of actual tire width when dealing with competition-type models.
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Bill Pemberton
0ld Ford Automotive Racing Terror
Thanks Dave W, as I had been doing spec data at Tire Rack concerning Toyo RRs, which have some major advantages in Time Trial and Road Racing Classifications with NASA and I accidentally put the tread width down for the 315/30/18 ( size I have run with Hoosier and BFG ), instead of the 19 diameter R7. I knew they were wider than the PSC2s , but I also like that tire quite well when recommending something for folks who drive to the track.
Speaking of dating apps, I've got a date with the tires on the left. I have a set of four GY 3R's on 11" rims that I'm hoping to run at Area 27 in early September. They're the same section width as the MPSC2 315's and have the same rubber on the road (tread width minus voids) as Pirelli Trofeo R 325's. Here's hoping it doesn't rain...
If you haven't run the 3Rs before, prepare to be amazed. ...and how I would love to run Area 27 again. That track is amazing!
If you've run them, what pressures worked? The ZL1 1LE owner's manual says 35 hot - does that work on a GT350? Also, how is the life and heat cycles? Longer or shorter than MPSC2's?
- Thread starter
- #16
im waiting to finish my sport cups to throw on my r3’s.....doing as many track days as i can this week 2-3 so i can get sc2’s worn out
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Hoosier R7 Tires
| Size | Diameter | Width | Rim Range | Measured Rim | Tread Depth | Load Range | Max Load | Max psi | Weight | Revs/Mile | ||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| P 185/60ZR13 80W SL BSW | 21.7" | 7.8" | 6-7" | 6" | 4/32" | SL | 992 lbs | 44 psi | 15 lbs | 958 | Show Specs | |
| P 205/60ZR13 86W SL BSW | 22.8" | 8.8" | 5.5-7.5" | 6" | 4/32" | SL | 1179 lbs | 44 psi | 17 lbs | 911 | Show Specs | |
| P 225/45ZR13 77W LL BSW | 20.9" | 9.3" | 7-8.5" | 7.5" | 4/32" | LL | 908 lbs | 44 psi | 16 lbs | 995 | Show Specs | |
| P 225/50ZR13 88W SL BSW | 21.9" | 9.4" | 6-8" | 7" | 4/32" | SL | 1235 lbs | 44 psi | 17 lbs | 949 | Show Specs | |
| P 205/55ZR14 85W SL BSW | 22.8" | 9.1" | 5.5-7.5" | 7" | 4/32" | SL | 1135 lbs | 44 psi | 17 lbs | 911 | Show Specs | |
| 205/60R14 BSW | 23.7" | 8.1" | NA | NA | 4/32" | NA | NA | NA | 18 lbs | 877 | Show Specs | |
| P 225/50ZR14 88W LL BSW | 22.9" | 9.4" | 6-8" | 7" | 4/32" | LL | 1235 lbs | 44 psi | 20 lbs | 908 | Show Specs | |
| P 205/50ZR15 84W SL BSW | 22.8" | 8.5" | 5.5-7.5" | 6.5" | 4/32" | SL | 1113 lbs | 44 psi | 17 lbs | 911 | Show Specs | |
| P 225/45ZR15 81W LL BSW | 22.8" | 9.3" | 7-8.5" | 7.5" | 4/32" | LL | 1019 lbs | 44 psi | 19 lbs | 911 | Show Specs | |
| P 225/50ZR15 90W SL BSW | 23.8" | 9.7" | 6-8" | 7" | 4/32" | SL | 1301 lbs | 44 psi | 20 lbs | 874 | Show Specs | |
| P 245/40ZR15 83W LL BSW | 23" | 10" | 8-9.5" | 8.5" | 4/32" | LL | 1074 lbs | 44 psi | 19 lbs | 904 | Show Specs | |
| P 245/50ZR15 95W LL BSW | 24.4" | 10.3" | 7-8.5" | 7.5" | 4/32" | LL | 1499 lbs | 44 psi | 22 lbs | 852 | Show Specs | |
| P 275/35ZR15 82W LL BSW | 23" | 10.8" | 9-11" | 9.5" | 4/32" | LL | 1047 lbs | 44 psi | 21 lbs | 904 | Show Specs | |
| P 275/50ZR15 101W SL BSW | 25.5" | 10.8" | 7.5-9.5" | 8" | 4/32" | SL | 1830 lbs | 44 psi | 24 lbs | 815 | Show Specs | |
| P 205/45ZR16 77W LL BSW | 23" | 8.5" | 7-8.5" | 7" | 4/32" | LL | 908 lbs | 44 psi | 17 lbs | 904 | Show Specs | |
| P 225/50ZR16 91W SL BSW | 24.7" | 9.4" | 6-8" | 7" | 4/32" | SL | 1367 lbs | 44 psi | 21 lbs | 841 | Show Specs | |
| P 245/45ZR16 88W LL BSW | 24.4" | 10.3" | 7.5-9" | 8" | 4/32" | LL | 1235 lbs | 44 psi | 22 lbs | 852 | Show Specs | |
| P 255/50ZR16 99W SL BSW | NA | NA | 7-9" | 8" | 4/32" | SL | 1687 lbs | 44 psi | 25 lbs | NA | Show Specs | |
| P 275/45ZR16 94W LL BSW | 25.6" | 11.2" | 8.5-10" | 9" | 4/32" | LL | 1477 lbs | 44 psi | 24 lbs | 812 | Show Specs | |
| 205/40R17 BSW | 23.5" | 8.1" | NA | NA | 4/32" | NA | NA | NA | 17 lbs | 884 | Show Specs | |
| P 225/40ZR17 81W LL BSW | 23.8" | 9.6" | 8-9.5" | 8" | 4/32" | LL | 1019 lbs | 44 psi | 20 lbs | 874 | Show Specs | |
| P 225/45ZR17 84W LL BSW | 24.7" | 9.7" | 7-8.5" | 7.5" | 4/32" | LL | 1102 lbs | 44 psi | 21 lbs | 841 | Show Specs | |
| P 245/40ZR17 86W LL BSW | 24.3" | 10.3" | 8-9.5" | 8.5" | 4/32" | LL | 1168 lbs | 44 psi | 21 lbs | 855 | Show Specs | |
| P 245/45ZR17 89W LL BSW | 25.5" | 10" | 7.5-9" | 8" | 4/32" | LL | 1279 lbs | 44 psi | 22 lbs | 815 | Show Specs | |
| P 275/35ZR17 85W LL BSW | 24.7" | 11" | 9-11" | 9.5" | 4/32" | LL | 1135 lbs | 44 psi | 23 lbs | 841 | Show Specs | |
| P 275/40ZR17 93W LL BSW | 25.5" | 11" | 9-11" | 9.5" | 4/32" | LL | 1433 lbs | 44 psi | 23 lbs | 815 | Show Specs | |
| P 295/35ZR17 89W LL BSW | 25.3" | 11.6" | 9.5-11" | 10" | 4/32" | LL | 1279 lbs | 44 psi | 25 lbs | 822 | Show Specs | |
| P 315/35ZR17 93W LL BSW | 25.6" | 12.6" | 11-12" | 11" | 4/32" | LL | 1433 lbs | 44 psi | 28 lbs | 812 | Show Specs | |
| P 225/40ZR18 83W LL BSW | 24.8" | 9.5" | 7.5-9" | 8" | 4/32" | LL | 1074 lbs | 44 psi | 20 lbs | 838 | Show Specs | |
| P 245/35ZR18 80W LL BSW | 24.4" | 9.9" | 8-9.5" | 8" | 4/32" | LL | 992 lbs | 44 psi | 21 lbs | 852 | Show Specs | |
| P 245/40ZR18 88W LL BSW | 25.4" | 10.3" | 8-9.5" | 8.5" | 4/32" | LL | 1235 lbs | 44 psi | 22 lbs | 818 | Show Specs | |
| P 255/35ZR18 82W LL BSW | 24.8" | 10.8" | 8.5-10" | 9" | 4/32" | LL | 1047 lbs | 44 psi | 22 lbs | 838 | Show Specs | |
| P 275/35ZR18 87W LL BSW | 25.5" | 10.7" | 9-11" | 9.5" | 4/32" | LL | 1201 lbs | 44 psi | 23 lbs | 815 | Show Specs | |
| P 285/30ZR18 86W LL BSW | 24.9" | 11.5" | 10-11" | 10" | 4/32" | LL | 1168 lbs | 44 psi | 24 lbs | 835 | Show Specs | |
| P 295/30ZR18 88W LL BSW | 25.3" | 11.6" | 9.5-11" | 10" | 4/32" | LL | 1235 lbs | 44 psi | 25 lbs | 822 | Show Specs | |
| 295/40ZR18 98W LL BSW | 27.2" | 11.9" | 10-11.5" | 10.5" | 4/32" | LL | 1653 lbs | 44 psi | 27 lbs | 764 | Show Specs | |
| P 315/30ZR18 91W LL BSW | 25.6" | 12.5" | 11-12" | 11" | 4/32" | LL | 1356 lbs | 44 psi | 27 lbs | 812 | Show Specs | |
| P 315/40ZR18 102W LL BSW | 27.3" | 13.2" | 10.5-12.5" | 11" | 4/32" | LL | 1874 lbs | 44 psi | 30 lbs | 762 | Show Specs | |
| P 335/30ZR18 95W LL BSW | 25.6" | 13.5" | 12-13" | 12" | 4/32" | LL | 1521 lbs | 44 psi | 28 lbs | 812 | Show Specs | |
| P 345/35ZR18 100W LL BSW | 26.8" | 13.9" | 11-13" | 12" | 4/32" | LL | 1764 lbs | 44 psi | 29 lbs | 775 | Show Specs | |
| P 235/35ZR19 79W LL BSW | 25.6" | 10.2" | 8-9.5" | 9" | 4/32" | LL | 963 lbs | 44 psi | 23 lbs | 812 | Show Specs | |
| P 265/35ZR19 86W LL BSW | 26.2" | 10.4" | 9-10" | 9" | 4/32" | LL | 1168 lbs | 44 psi | 24 lbs | 793 | Show Specs | |
| P 295/30ZR19 89W LL BSW | 26.1" | 11.5" | 10-12" | 10" | 4/32" | LL | 1279 lbs | 44 psi | 25 lbs | 796 | Show Specs | |
| P 295/35ZR19 92W LL BSW | 27.3" | 11.5" | 10-12" | 10" | 4/32" | LL | 1389 lbs | 44 psi | 26 lbs | 762 | Show Specs | |
| P 315/30ZR19 93W LL BSW | 26.1" | 12.4" | 11-12" | 11" | 4/32" | LL | 1433 lbs | 44 psi | 27 lbs | 796 | Show Specs | |
| P 315/35ZR19 96W LL BSW | 27.3" | 13.2" | 11-12" | 12" | 4/32" | LL | 1565 lbs | 44 psi | 31 lbs | 762 | Show Specs | |
| P 325/30ZR19 94W LL BSW | 26.8" | 13.6" | 12-13" | 13" | 4/32" | LL | 1477 lbs | 44 psi | 28 lbs | 775 | Show Specs | |
| P 345/30ZR19 98W LL BSW | 26.8" | 14.1" | 12-13" | 13" | 4/32" | LL | 1635 lbs | 44 psi | 30 lbs | 775 | Show Specs | |
| P 245/35ZR20 95W XL BSW | 26.8" | 9.8" | 9-10" | 8.5" | 4/32" | XL | 1521 lbs | 50 psi | 23 lbs | 776 | Show Specs | |
| P 265/30ZR20 95W XL BSW | 26.7" | 10.9" | 9-10" | 9.5" | 4/32" | XL | 1521 lbs | 50 psi | 23 lbs | 778 | Show Specs | |
| P 285/30ZR20 99W XL BSW | NA | NA | 9.5-10.5" | 10" | 4/32" | XL | 1709 lbs | 50 psi | 25 lbs | NA | Show Specs | |
| 295/30R20 101W XL BSW | NA | NA | 10-11" | 10.5" | 4/32" | XL | 1819 lbs | 50 psi | 27 lbs | NA | Show Specs | |
| P 305/30ZR20 103W XL BSW | 27.1" | 12.2" | 10-11" | 11" | 4/32" | XL | 1929 lbs | 50 psi | 27 lbs | 767 | Show Specs | |
| P 325/25ZR20 103W XL BSW | 27.1" | 13.2" | 11-12" | 12" | 4/32" | XL | 1929 lbs | 50 psi | 28 lbs | 767 | Show Specs | |
| P 335/25ZR20 103W XL BSW | 27.1" | 13.2" | 11-12" | 12" | 4/32" | XL | 1929 lbs | 50 psi | 28 lbs | 767 | Show Specs |
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