[T2] Fuel injection system for my 74 bus
Jamie jrivers at globalserve.netSun Jan 5 21:57:40 MST 2014
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Good to point that out Jim ! Jim said... I put that list together for Bus Boys back in the 90s and not from ETKA which is missing data - this info was from Bosch and the parts fiche. When Karl wrote that he had forgotten that the 79-83.5 Cal Bus & Vanagon's ECU has a pin for the O2 Sensor, Federal ECUs don't. Sure they will run and is difficult to notice, but the Calif ECUs not receiving an O2 signal will run in the default "rich mode", affecting mileage in the long term. (unless you install a bung and sensor into the exhaust). I mentioned this to Karl when I last saw him and he said "oh yeah, that's right". I do miss Karl The best take-off and install/swap I've done (way back when) was from either a 77 or 78. Real simple if you have all the parts. Jim Thompson oldvolkshome at gmail.com http://www.oldvolkshome.com Find me on Facebook: http://www.facebook.com/people/Jim-Thompson/100000710343835 *********************************** On Sun, Jan 5, 2014 at 9:49 AM, Jamie <jrivers at globalserve.net> wrote: --------------- http://type2.com/library/fuel/ecuswap.htm Karl said: A while back someone asked what the difference was between all the ECU's on bay window buses. VW/Bosch made 4 per year model. Cal auto and Cal manual, Fed auto and Fed manual. I said I have never felt a diference in any of them when I test them in my 77 Westy. With that in mind, I just went to my EKTA disc to see what VW says the part number of the ECU should be. That 039-906-021B that Bus Boys says fits fits 79 Cal manual trans.... well EKTA says it is the ONLY ECU available for ALL transmissions in these applications: 1) Calif, from the start of the 77 year model to the end of the 78 year model 2) ALL Fed bay buses from 77 to the end of 79. EKTA does not show it for 79 Cal! 3) ALL aircooled Fed Vanagons, 80 to 83.5. The Calif Vanagon is 071-906-021B No wonder I never felt a difference! There isn't one. ----------------
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