Hey everyone, Long time lurker, first time poster. ive got two mustangs, an 88 lx and a 1990 lx. both 5.0s with the 88 being manual and the 90 auto. ever since ive bought these cars theyve both had problems running at low rpms under load. what seems to happen is the idle will be rough, once you...

ok guys, my 96 has an issue... its been pinging alot lately, but always has if i didnt run premuim. well tuesday after noon, i drove to dr about an hour away, all kinds of speed, normal 70mph interstate driving. well, went to leave, car crunk fine then immediately stalled. i was suprised bc this...

So about 2 years ago i posted about this before. Anyhow i've not ran o2 Sensors in that long, and i've been through a few setups now, but i'm back to using a pms and I thought about trying to run o2's again with this new motor to try and improve my poor fuel economy. Anyhow here's the deal. The...