Lone Star Region Autocross Classes

The basic reference for determining which class your car will compete in for Lone Star Region Autocross events is the PCA Parade Specifications. LSR classes will consist of 8 groups consolidated into :

• SS classes for unmodified cars on street tires.

• P classes for modestly modified cars on DOT race tires.

• I class is extensively modified cars on DOT race tires.

• M class is cars on non-DOT race tires.

There is also an "X" class for cars that are neither Porsches nor BMW's.

As participation grows, the number of LSR classes can grow.

S-Class Cars (except S13 - see P-Class below)

SS1 (all listed below)
S1: 928 GTS (1993-1995), All
S2: 968 (1992-1995), All
S3: 911 Carrera 2 (964:1990-1994), Carrera 4 (964:1989-1994)), All, RS America (1993-1994)
S4: Boxster (986:1997-2004)
S6: Boxster (987:2005-On)
S12: Cayenne (9PA:2003-On), All
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SS5 (all listed below)
S5: Boxster S (986:2000-2004)
S7: Boxster S (987:2005-On)
S8: 911 Carrera (993:1995-1998), All
S9: 911 Carrera (996:1999-2005), All except 996 GT3
S10: 911 Carrera (997:2005-On) (except Turbo and GT models when avail.)
S11: 911 Turbo (965/993/996: 1991-On), All except 996 GT2

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P-Class Cars (except S13 - see below)

P1 (all listed below)
P1: 356, All; 912/912E, All
P2: 914/4, All; 924, All
P3: 924S 2.5, All; 924 Turbo (931), All; 944, All; 944S, All
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P4 (all listed below)
P4: 944 Turbo (951), All
P5: 944S2, All; 968, All
P6: 911 (1965-1969), All; 914/6, All
P7: 911 (1970-1977), All
P8: 911SC (1978-1983), All
P17: 928, All
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P9 (all listed below)
P9: 911 Carrera 3.2 (1984-1989), All; 911 Speedster (1989)
P10: 911 Carrera 2 (964:1990-1994) and Carrera 4
(964:1989-1994), All; American Roadster, All; RS
America (1993-1994)
P14: Boxster (986:1997-2004), All
______________________________

P11 (all listed below)
S13: 996 GT2/GT3 (2002-2005); Carrera GT (980:2004-On)
P11: 911 Carrera (993), All
P12: 911 Carrera (996:1999-2005), All; 911 Carrera
(997:2005-On)), All
P13: 911 Turbo (1976-On), All; 996 GT2/GT3 (2002-2005)
P15: Boxster S (986:2000-2004), All; Boxster (987:2005-
On)
P16: Boxster S (987:2005-On)

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I-Class Cars

I1 (all listed below)
All Improved Catagory Porsche class cars and SCCA Street Modified class cars

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M-Class Cars

M1 (all listed below)
All Modified Catagory Porsche class cars and SCCA Prepared and Modified class cars

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X-Class Cars

Non BMW / Non Porsche Classes
X1 8 cylinders and up, plus Turbocharged cars
X2 6 Cylinders and normally aspirated rotaries
X3 4 cylinders or less
X4 Prepared Autocross cars

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