Request clarification for manifold and throttle in STU
#27004 from Jose De Miguel · Rule change · TB 19-07 (2019-07 Fastrack)
In STU, GCR section 9.1.4.1.B.3, make changes as follows:
"All cars shall use the installed engine’s or vehicle's stock air throttling device (e.g.,
throttle body, carburetor) and intake manifold, unless noted otherwise. Alternate intake
manifolds will be permitted on a case-by-case basis."