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alotawatts
Joined: 07 Jan 2009
Posts: 417
Location: Seattle WA
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 Posted: Fri May 08, 2009 3:50 pm Post subject: Injector mount insulators - not |
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I noticed the injectors on my 79 do not appear to have the fiber insulating washers in the mounts/bolts ...prior owner had a rebuild....runs and idles okay.
LJET explained ?
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Three E12's and one R27
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Mike W.
Joined: 30 Aug 2006
Posts: 1348
Location: Sonoma County
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| Posted: Fri May 08, 2009 7:07 pm Post subject: |
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I think they've been NLA for just about forever. I try to put them back if they're there, but I don't worry a bit if they're not. The rubber mount is a pretty good thermal insulator, so the difference between those paper insulators can't be much. In other words, don't worry about it.
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Mike W.
1980 528i, 3.5 euro, 5 speed conversion
1981 528i, 3.6, Recaros and more. Project
1998 328is, quick and efficient, but not satisfying
2000 528iit, Vacation mobile/wife's grocery getter |
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alotawatts
Joined: 07 Jan 2009
Posts: 417
Location: Seattle WA
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| Posted: Fri May 08, 2009 8:39 pm Post subject: |
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| Mike W. wrote: | | I think they've been NLA for just about forever. |
Thanks Mike
They are available ...cheap too. I bought some about a year ago for my 81 restore. It just stands to reason that the injectors are/should be insulated from the engine (ground?) for electronic reasons right ? Why else whould they be there ? Radio static ?
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Three E12's and one R27
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Lenny D.
Joined: 07 Jan 2009
Posts: 217
Location: New Orleans (Metry!), LA
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| Posted: Sat May 09, 2009 12:38 pm Post subject: |
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I could be wrong, but I believe it was explained to me that their value was for noise/vibration. I replace them whenever I'm in there, seeing all the effort that goes into yanking the fuel rail; I try and do everything once, and at the same time. A little trick to installing them was shown to me once, use some vasoline to 'stick' them to the manifold as you guide the rubber gasket and injector into each hole.
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HTH
'80 528i |
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