'90 EA-II Fairmont
Join Date: Aug 2003
Location: Warrnambool, VIC, Aust.
Re: 3.9 to 4.0
yer if u use the ecu from a 4lt instead of a 3.9 mpi ecu, u will probably need a smartlock module and ignition barrel... easier just to use the 3.9mpi with the 4lt engine
Rosewood EAII Fairmont 02/90. MPFI 3.9L (formerly CFI), 4spd BTR Auto. Skyline geared 3.45g open center 28 spline 4 pinion differential & axles. 2 1/2" Cat Back Exhaust. King Super Low Springs. Sound: Equalization and amplification by Clarion; Head unit by Sony, Front, Rears and Sub by Pioneer. Planned mods - t5, Extractors, Painting Grey Strips and new front and rear bar.