I am new to IDI's but not to Powerstrokes. I currently have a 97 F250HD supercab with 294,500 miles. Upgrades are: Efuel, 1.0 exhaust housing, TS6 chip with canned tunes, pyrometer, boost, Aeromotive Scan Gauge, 6637, 3in dp, coolant filter and more to come.
I just looked at a 88 F250 4x4...