Member Since: 29 May 2007
Location: Dundee, Scotland
Posts: 20787
EU4 injectors in an EU3 engine?
Now, I know they will physically fit, and work in the short term.
But, does anyone know if they will work in an EU3 engine long term, with no issues?
The EU4 setup runs at a higher fuel pressure, and the nozzles are different. That is as much as I know
My injectors will need replaced before the winter hits, as the run rough as when cold. Would be nice to not have to shell out £1800 on a set of injectors
I have a set of 60k mile EU4 injectors sitting on a shelf, removed from a known good engine
Would be nice to know if they will work with the EU3/Engine Management in case it decides to blow itself up My D3 Build Thread
Last edited by Disco_Mikey on 15th Sep 2014 10:15 am. Edited 1 time in total
15th Sep 2014 9:38 am
Robbie
Member Since: 05 Feb 2006
Location: ¯\_(ツ)_/¯
Posts: 17932
The tips, spray pattern, cycle time and injection profile are different so I would be surprised if they worked in an identical manner.Land Rover - Turning Drivers into Mechanics Since 1948
Member Since: 21 Nov 2010
Location: Aberdeenshire
Posts: 460
if it was me I would try a call to Airylea Motors in Aberdeen or turner diesel ,used to use them for pumps and injector parts / repair years ago
15th Sep 2014 12:32 pm
JMack
Member Since: 02 Aug 2014
Location: Edinburgh
Posts: 1517
Another for Turner Diesel in Edinburgh, did my ok for Merc injectors a couple of years ago.
They can inspect, test and repair them as well as source new ones.
15th Sep 2014 5:54 pm
Cellerdweller
Member Since: 05 Oct 2012
Location: Macclesfield
Posts: 1315
I'm with robbie on this one they may appear to run the same however the fact that eu4 runs higher fuel pressure the fuel may not be atomised correctly in the eu3 engine. It may not be detectable initially but this and the different nozzle spec may result in piston erosion .i have seen this happen on a galaxy that I had the pleasure of repairing some time back .You're not afraid of the dark are you ?
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when cold. Would be nice to not have to shell out £1800 on a set of injectors 
