T5 Spring Allowance
#33557 from Mike Ogren · Rule change · TB 23-06 (2023-06 Fastrack)
In B-Spec and C-Spec Categories Specifications, GCR Section 9.1.10.E.36., add the following:
"Suspension: B-SPEC competitors may use the OEM suspension, the specific suspension kit approved on the spec line or any B14
Bilstein shock or strut with no modifications except as required for mounting or to achieve allowed camber. C-Spec competitors
may use the OEM Suspension, the specific suspension kit approved on the spec line or TBD. Any camber plate may be used, but
may not alter caster. Caster shall be within factory specification. Any part required to adapt the B14’s to the car must be
submitted for approval by the CRB and added to the individual spec line. Any spring, including ‘helper’ or ‘tender’ springs, up toa maximum spring rate of 500 pounds may be used. for B-Spec the maximum spring rate is 500# front and rear, for C-Spec the
maximum spring rate is 600 pounds front and 800 pounds rear. Spring are allowed to be strapped or zip tied to the body. The
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purpose of the strap should be to keep the spring in place when the axle goes into rebound. The strap can serve no other
function. Bump stops may be deleted but cannot be modified or substituted and shall serve no other purpose. Adjustable sway
bar end links may be used on all cars. Sway bars may be disconnected and removed.