WebMar 21, 2012 · Ported distributor vacuum advance was a result of early 70's emission equipment. It comes off the venturi above the throttle plates and is effectively isolated by the throttle plates from manifold vacuum, more specifically the throttle shaft as the defining point much like an expansion valve in a refrigeration circuit. WebVacuum Ports: Yes Vacuum Port Size: 3 x 1/8 NPT and 1 x 1/4 NPT Map Sensor Port: Yes Map Sensor Port Location: Rear Notes: Includes O …
Ported vacuum vs. full manifold vacuum - Fitech EFi …
WebFiTech Go Port EFI systems offer: * No ECU to mount under your dashboard or on your firewall. * No big holes to drill. * No harnesses draped all over your engine. * Everything is mounted right on the manifold. * Wiring is super-simple--usually no more than four wires to get you up and running. * No laptop required and absolutely no tuning ... WebApr 21, 2024 · Fitting A FiTech Go EFI System On A Vintage Car. ... Use the correct vacuum ports for positive crankcase ventilation, brake booster, transmission modulation signal, or other vacuum references. ... or other vacuum references. Use shrink wrap on all wiring connections. Make sure you are installing the correct flared fittings if you have to ... smarks ruined wrestling
Ported vs manifold vacuum advance - The BangShift.com Forums
WebFeb 1, 2024 · Mean Street EFI 200-800 hp. For high-performance street applications this system includes eight 62-pound injectors and AFR correction capability for use with nitrous systems. It comes with a color ... WebMay 11, 2024 · But the smaller port in the Fitech is labeled “for distributor advance” and doesn’t provide enough for the wipers so I need to use the larger and reduce down the … WebSep 5, 2024 · 99% of the time with even a mild performance engine, use the manifold (full) vacuum port for your ignition timing. Generally, a 302 will like about 12-14 degrees … smarkx marking tool for cut-outs