EV1 vs EV6 Injectors for OBD1 m50
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I have been searching and what I have found is Bosch 0280155771 is an ev6 injector rated at 17lb/hr @ 3bar.
According to a calculator here http://www.fuelinjector.citymaker.com/Fuel_Injector_Flow_Rates.html the flow rate at 3.5 bar is 18.36lb/hr. Do you think a .86 lb/hr difference is in the range that the ECU can adapt for? I would think so but have no experience messing with injector sizes. I would guess that it is going to be better than the injectors I have that are nearing 300k miles...
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Ordered a set of OE refurbished/matched set claiming to be within 2%. We shall see. It was only 65 bucks. It seems to be a not very common injector, used in Ford Contours/Mystique with 2.5l SVT engine from 1998-2000, and Cougars in 1999. No wonder it was hard to find a part number. I'd rather not do a tune now, I already have a Dinan chip and this coupe is mostly a beater. I would like to experiment and see how the gen3 design performs. It would be great to know of a drop in upgrade. People use m50 injectors in m20 engines too so this might be a good option for them too.
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It looks like " The rating at 3.5 bar (50.75 psi) (e36) is 23.8. "
https://www.bimmerforums.com/forum/showthread.php?417171-NE1-know-flow-rate-on-stock-M52-injectors
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