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SRF SPRING RATE & DEFLECTION DATA & BASE SET UP INFO |
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TIRE SIZE: P185/60ZR-13 SRF (46340) |
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| AIR PRESSURE (PSI) | ||||
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LOAD (lbs) |
18 psi | 22 psi | 26 psi |
30 psi |
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400 |
1086 | 1242 | 1398 | 1545 |
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450 |
1101 | 1253 | 1411 | 1560 |
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500 |
1119 | 1266 | 1420 | 1573 |
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550 |
1136 | 1280 | 1432 | 1585 |
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600 |
1152 | 1294 | 1443 | 1596 |
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650 |
1171 | 1306 | 1454 | 1605 |
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700 |
1190 | 1322 | 1467 | 1616 |
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TIRE SIZE: P205/60ZR-13 SRF (46350) |
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| AIR PRESSURE (PSI) | ||||
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LOAD (lbs) |
18 psi | 22 psi | 26 psi |
30 psi |
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400 |
1120 | 1275 | 1446 | 1598 |
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450 |
1128 | 1279 | 1453 | 1607 |
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500 |
1136 | 1283 | 1457 | 1612 |
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550 |
1145 | 1288 | 1461 | 1616 |
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600 |
1155 | 1294 | 1467 | 1622 |
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650 |
1164 | 1302 | 1470 | 1625 |
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700 |
1175 | 1313 | 1476 | 1628 |
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SCCA SRF BASE SET UP INFORMATION |
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FRONT |
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BASE SETTING |
ADJUSTMENT NOTES: | |
| COLD TIRE PRESSURE | 18 to 19 psi | |
| HOT TIRE PRESSURE | 24 to 26 psi | Hot 24 to 26 PSI / Track Grip / Driver feel dependent |
| CAMBER | -3.7 to - 4.0 | Track Grip / Hot Tire PSI / Turn in rate dependent |
| CASTER | +5.5 to +6.5 | Driver feel / Rear bump steer dependent |
| BAR | .125" to .500" from full soft | Track Grip / Driver feel dependent |
| SHOCK | 9 to 12 sweeps from full stiff | Track Grip / Driver feel dependent |
| TOE | 0 to 2mm out total | |
| BUMP STEER | .015" to .025" Out per inch of bump | |
| RIDE HEIGHT | 3.25" | |
| RAKE | 0.25" to .500" Positive / more for slow vs less high speed turns | |
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REAR |
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BASE SETTING |
ADJUSTMENT NOTES: | |
| COLD TIRE PRESSURE | 18 to 19 psi |
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| HOT TIRE PRESSURE | 24 to 26 psi | Hot 24 to 26 PSI / Track Grip / Driver feel dependent |
| CAMBER | -3.4 to - 3.7 | Track Grip / Hot Tire PSI / Turn in rate dependent |
| CASTER | 0 to -1 | Driver feel / Rear bump steer dependent |
| BAR | ..500" to 1" from full soft | Track Grip / Driver feel dependent |
| SHOCK | 7 to10 from full stiff | Track Grip / Driver feel dependent |
| TOE | 1mm to 3mm in per wheel |
Track Grip / more for slow vs high speed turns / Driver feel dependent |
| BUMP STEER | .005" to .015" in per inch of bump | |
| RIDE HEIGHT | 3.5" to 3.75" | |
| RAKE |
0.25" to .500" Positive / more for slow vs less high speed turns |
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NOTE: All measurements taken without driver, nose and tail weight. |
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