So as of the 11/19/19 fasttrack, SCCA classed a modified model 3 in ASP. Not too unreasonable given that it says "A Street Prepared (ASP) – AWD turbo sedans and medium performance coupes and sports cars."
PAX is slightly easier than BSP, but not nearly as lenient as STU (where I hoped they would put us)
some relevant rules
1. we are allowed to add aftermarket spoilers / splitters
2. Can modify the fenders for clearance
3. Can run hoosier A7s
4. alternate brake rotors
5. shock absorbers allowed
6. Any sway bar changes
However where I get really confused is 15.8 in the rules for suspension
some relevant extracts:
15.8.C : If the standard bushing accommodated multi-axis motion via compliance of the component material(s), the replacement bushing may not be changed to accommodate such motion via change in bushing type, for example to a spherical bearing or similar component involving internal moving parts
does this mean that pretty much every camber arm and other arm sold by MPP, UP, SPL are not allowed? Since they replacing bushings with spherical bearings? This paragraph also mentions offset bushings, what are those anyway?
15.8.F :
The following allowances apply to strut-type suspensions: Adjustable camber plates may be installed at the top of the strut and the original upper mounting holes may be slotted. The drilling of holes in order to perform the installation is permitted but the center clearance hole may not be modified. Any type of bearing or bushing may be used in the adjustable camber plate attachment to the strut.
do we even have a "strut type suspension"? This contradicts 15.8.C that any bushing is allowed, but technically we install arms not plates
15.8.H On double/unequal arm (e.g., wishbone, multi-link) suspensions, only the upper arms OR lower arms may be modified or replaced, but not both. Non-integral longitudinal arms that primarily control fore/aft wheel movement (e.g., trailing arm(s) or link(s) of a multi-link suspension) may not be replaced, changed, or modified.
MPP just came out with lower rear camber arms, and SPL has them as well. Sounds like we aren't allowed to use both?I believe the model 3 has a double wishbone suspension in the rear.
15.8.L
Suspension components may be replaced with aftermarket components in order to improve durability and reliability. Any replaced components are subject to the following restrictions:
1. Replacement components may not be lighter than the original component.
a lot of the aftermarket parts are lighter since made of aluminum. Is that not allowed?
Tagging @MountainPass , @SD_Engnr , @MasterC17 , @kbecks13 , @beastmode13
PAX is slightly easier than BSP, but not nearly as lenient as STU (where I hoped they would put us)
some relevant rules
1. we are allowed to add aftermarket spoilers / splitters
2. Can modify the fenders for clearance
3. Can run hoosier A7s
4. alternate brake rotors
5. shock absorbers allowed
6. Any sway bar changes
However where I get really confused is 15.8 in the rules for suspension
some relevant extracts:
15.8.C : If the standard bushing accommodated multi-axis motion via compliance of the component material(s), the replacement bushing may not be changed to accommodate such motion via change in bushing type, for example to a spherical bearing or similar component involving internal moving parts
does this mean that pretty much every camber arm and other arm sold by MPP, UP, SPL are not allowed? Since they replacing bushings with spherical bearings? This paragraph also mentions offset bushings, what are those anyway?
15.8.F :
The following allowances apply to strut-type suspensions: Adjustable camber plates may be installed at the top of the strut and the original upper mounting holes may be slotted. The drilling of holes in order to perform the installation is permitted but the center clearance hole may not be modified. Any type of bearing or bushing may be used in the adjustable camber plate attachment to the strut.
do we even have a "strut type suspension"? This contradicts 15.8.C that any bushing is allowed, but technically we install arms not plates
15.8.H On double/unequal arm (e.g., wishbone, multi-link) suspensions, only the upper arms OR lower arms may be modified or replaced, but not both. Non-integral longitudinal arms that primarily control fore/aft wheel movement (e.g., trailing arm(s) or link(s) of a multi-link suspension) may not be replaced, changed, or modified.
MPP just came out with lower rear camber arms, and SPL has them as well. Sounds like we aren't allowed to use both?I believe the model 3 has a double wishbone suspension in the rear.
15.8.L
Suspension components may be replaced with aftermarket components in order to improve durability and reliability. Any replaced components are subject to the following restrictions:
1. Replacement components may not be lighter than the original component.
a lot of the aftermarket parts are lighter since made of aluminum. Is that not allowed?
Tagging @MountainPass , @SD_Engnr , @MasterC17 , @kbecks13 , @beastmode13
