Its been long over due but here it is, a summary of what all you need in one link all together enjoy Getting Started / EFIDynoTuning post 700 !!

i have a 1994 mustang pcm for sale. Part number is F4VF-12A650-CA this pcm came from a former Bob Bondurant mustang. this is a 60 pin EEC-IV PCM in very good condition. email me for pics price is 150.00 including shipping to the lower 48

I had written in earlier regarding my 1989 5.0 Mustang. In October a new Jasper engine was installed after 309,000+ miles of wonderful driving! - and since then I have had electrical problems and discovered I cannot run codes KOER, but can run codes KOEO. I chose to keep my car because 1) I...

I am looking for a good mechanic in the Los Angeles area that can help me with my 1989 5.0. Several mechanics have told me they are unable to read code ever since I got my engine replaced (stock) and I would like to get it diagnosed - since my check engine light is on as of yesterday...

For Sale T4M0 94' GT 5 Speed EEC-IV Pulled from my running car - $100 Autologic 2001 EEC-IV 4 position Flip Chip with cable - $75OBO MSD RPM Activated Switch PN 8950 - $60 2 Step Module Selector PN 8739 - $40 Also have a bunch of the MSD RPM pills Have various pills 3000-7000rpm - $3each...