Clarify Subframe Bushings Permitted for T2-T4
#25800 from Touring Committee · Rule change · TB 19-01 (2019-01 Fastrack)
In GCR section 9.1.9.2.i.7, make changes as follows:
“Fluid filled motor mounts, fluid filled transmission mounts, and fluid filled differential
mounts and sub-frame bushings may be replaced with non spherical non-metallic
mounts. Sub-frame bushings may be replaced with non-spherical bushings; any material
allowed. Mounts that are replaced may serve no other function or provide any other
performance improvement or alteration than the original purpose.”