g Masters - Lateral Acceleration Testing
14 Cars Attack The Skidpad And Track. What Sticks And What Sucks?
By: Andy Hope, James Tate, Photography by Ben Kruper
| 2007 Porsche 911 Turbo (997) |
| Owner/driver | Erich Joiner |
| Class | Supercar |
| Weight (inc. driver) | 3830lb |
| Estimated wheel-hp | 384 |
| Front | Rear |
| Wheels | BBS forged | BBS forged |
| aluminum center lock | aluminum center lock |
| Size | 19x8.5 | 19x11 |
| Tires | Michelin Pilot Sport | Michelin Pilot Sport |
| PS2 235/35R19 | PS2 305/30R19 |
| Tire pressure (psi) | NA | NA |
| Suspension | stock | stock |
| Spring rate (lb/in) | stock | stock |
| Alignment |
| Toe (mm) | stock | stock |
| Camber (deg.) | stock | stock |
| Caster (deg.) | stock | NA |
| Skidpad lateral g | 0.96 |
| Turn 2 lateral g | 0.96 |
| Best lap time | 1:40.259 |
| 2003 Noble M12 GTO 3R |
| Owner/driver | Works/Matt Bell |
| Class | Supercar |
| Weight (inc. driver) | 2304lb |
| Estimated wheel-hp | 380 |
| Front | Rear |
| Wheels | stock | stock |
| Size | 18x9 +25mm offset | 18x9 +25mm offset |
| Tires | Bridgestone Pole | Bridgestone Pole |
| Position S-03 235/40R18 | Position S-03 265/35R18 |
| Tire pressure (psi) | 34 | 34 |
| Suspension | stock | stock |
| Spring rate (lb/in) | stock | stock |
| Alignment |
| Toe (mm) | -1.5 | 3.0 |
| Camber (deg.) | -0.9 | -1 |
| Caster (deg.) | 10 | NA |
| Skidpad lateral g | 0.97 |
| Turn 2 lateral g | 1.08 |
| Best lap time | 1:36.759 |
| 1994 Nissan Skyline GT-R (BNR32) |
| Owner/driver | Sean Holloway |
| Class | Street car |
| Weight (inc. driver) | 3425lb |
| Estimated wheel-hp | 375 |
| Front | Rear |
| Wheels | Regamaster | Regamaster |
| Size | 18x9.5 -18mm offset | 18x9.5 -18mm offset |
| Tires | Bridgestone RE-01 | Bridgestone RE-01 |
| 265/35R18 | 265/35R18 |
| Tire pressure (psi) | 36 | 34 |
| Suspension | A'PEXi N1 Pro | A'PEXi N1 Pro |
| Spring rate (lb/in) | 400 | 380 |
| Alignment |
| Toe (mm) | +1.0 | -1.0 (mm) |
| Camber (deg.) | -1.5 | -1.0 (deg) |
| Caster (deg.) | 5.0 | NA (deg) |
| Skidpad lateral g | 0.95 |
| Turn 2 lateral g | 1.09 |
| Best lap time | 1:36.522 |
| 2007 Lotus Exige S |
| Owner/driver | Tom Hughes Jr. |
| Class | Street car |
| Weight (inc. driver) | 2292lb |
| Estimated wheel-hp | 220 |
| Front | Rear |
| Wheels | 240R forged five-spoke | 240R forged five-spoke |
| Size | 16x7 | 17x8 |
| Tires | Yokohama Advan A005 | Yokohama Advan A005 |
| LTS slick 190/580R16 | LTS slick 230/625R17 |
| Tire pressure (psi): | 20 | 19 |
| Suspension | Ohlin double adjustable, | Ohlin double adjustable, |
| remote reservoir | remote reservoir |
| Spring rate (lb/in) | 457 | 571 |
| Alignment |
| Toe (mm) | 0.0 | 0.4 |
| Camber (deg.) | -0.3 | -2.0 |
| Caster (deg.) | 3.8 | NA |
| Skidpad lateral g | 1.08 |
| Turn 2 lateral g | 1.11 |
| Best lap time | 1:38.737 |
By Andy Hope
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