3uz vvti into 928 Porsche Posted April 4, 2013 by sideshow & filed under Engine Conversions, toyota, Uncategorized, wiring. Today’s big job was a 3uz vvti into a 1982 928 Porsche. After spending a full day wiring it up using most of the Porsche factory wiring and joining it to the 3uz loom and ecu we were able to get the engine running.