theman440 Wrote:The reason I was asking is that they might not let you run with the regulator on the firewall.
Agree - first thing I noticed. From NHRA rulebook:
FUEL SYSTEM
Any mechanical fuel pump and/or one electric fuel pump permitted.
Must be installed outside of passenger area, away from tires and
suspension. Electric pump must shut off with car’s ignition switch.
Fuel lines may be changed to any size metallic line with in-line fuel
filters and pressure regulators permitted; a maximum 12 inches of
rubber lines for vibration connections are permitted. One cool can
permitted. All fuel system components (regulators, cool cans, etc.)
must be installed not less than 6 inches in front of firewall.
Exception: Fuel-pressure-gauge isolators, with steel-braided line,
may be mounted on firewall. See General Regulations 1:5.