The remaining regulator outlet leads to a Russell (part no. 4111) Holley carburetor adaptor kit with a predrilled and tapped hole for its fuel-pressure gauge (part no. 5033).

With a pressure-regulated maximum of 8 psi, the low-pressure fuel must fight against acceleration (and this Camaro leaves at as much as 2.5 to 3 g's), so there may be little or no fuel flow to the ...