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On Mon, 03 Feb 2003 22:03:29 -0600, Jim Adney wrote: >On 4 Feb 2003 at 0:04, Hugh Lawrence wrote: > >> We switched them and got good results. The better working one is labeled: >> 311 906 051 B > >The B PS was used with the A or B brains. > >> The other is unlabeled. > >They will all have at least one part # stamped into them, but you will probably >have to wipe a lot of grease off to find them. All of them will have a 10 digit >Bosch #, but only those sold thru VW will have the VW number. > >> He informed me that the letter at the end of the code should match the one >> on the ECU. The ECU is: >> 311 906 021 D > >That's the ECU for a late 70-71. > >> Are either of these the correct part for my (5/72) squareback? > >No, A 72 would have an E brain and an E PS. It's possible that someone has >changed everything out for 71 parts. The important thing is that you have a >consistent set of parts. That includes the ECU, the PS, the distributor (and >the temp switch for the cold start valve, if yours is still connected and you >are in a cold climate.) The throttle valve switch changes at some point. I had a mismash FI setup also. I had to change mine to match. Mark Healey 71 FI auto square 71 FI manual square marksvw@healeyonline.com ------------------------------------------------ To unsubscribe, E-mail to: <type3-off@vwtype3.org> For more help, see http://vwtype3.org/list/