Intercooler
Factory stock location air to air intercooler required, modifications allowed. * No part of a stock location intercooler (not the shroud) may extend down no more than 12.00 below the centerline of the crankshaft.
No front mount intercoolers are allowed.
No liquid...
Turbo Street Stock TSS
General
Qualifying ET is 12.20 or quicker.
Heads-up 4-tenths pro tree start and pro ladder. (1 vs 16, 2 vs 15, 3 vs 14, 4 vs 13, 5 vs 12, etc....)
All cars racing in the Turbo Heads-Up racing classes must be owned and driven by a current member of the GSCA...