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On 25 Jul 2001, at 9:38, Thorkhild wrote: > It has finally time for me to start reconstruction of my FI > system on my 68 Fasty. I have '69 system with a butchered wiring > loom to start with, But while at a swap i picked up some parts from > a later system including a almost perfect loom. I need to decide > what parts are interchangable or work better. There are 3 "eras" of type 3 FI. You need to pick a consistent set of parts that keep you within an era. The eras are 2 years each: 68- 9, 70-1, 72-3 (early, middle, late.) > For instance i have 2 pressure sensors. The one from '69 (pn: 311 > 906 051 B ) which has a small sealed adjustment screw . Early > or the other one (pn: 311 906 051 C) which has a large adjustment > screw that isn't sealed. middle > Which one would work better with my ECU (pn: 311 906 021 B)? early > Also the better wiring harness is missing teh connector to teh > pressure sensor! instead of a 4 wire MPC thw wires end up into a > large 4 wire plug that would allow male spade connecters to fit > into it. I plan on using the MPC off of my butchered harness and > connect it to this plug. Was/IS there supposed to be a seperate > plug and wires to the Pressure sensor? This extra connector is a 70 only "feature." There was a short extra harness that went to the PS. > the better loom also has teh 4 wire throttle valve switch. SO i > plan on removing the MPC and connecting two, 2 wire mpc for my > early throttle valve switch and pressure switch. OR can i use the > later style throttle valve switch? You can't mix the generations here. Pick one and stick to it. > How do you add the cold start system (where do i locate the 5th > injector)? You would need to swap in a middle era intake air distributor. You would also need this to use the 4 term throttle valve switch. - Jim Adney jadney@vwtype3.org Madison, WI 53711-3054 USA ------------------------------------------------------------------- Search old messages on the Web! Visit http://www.vwtype3.org/list/