did the first o3's not have copper washers on the injectors?

scotty2280 · #1 (**permalink**) 11-25-2009, 11:24 AM

my buddy has an 03 and thought he heard tha they didnt use copper washers on the injectors. is this true?

mbahr22250 · #2 (**permalink**) 11-25-2009, 11:36 AM

I'm not entirely sure, but I thought all injectors have copper washers on them. Our old '94 Cummins N-14 has copper washers on them. Something has to seal out cylinder gas/pressure.

scotty2280 · #3 (**permalink**) 11-25-2009, 01:18 PM

thats what i was thinking. he was thinking he heard they had teflon or something.

dannyboy950 · #4 (**permalink**) 11-25-2009, 01:36 PM

Yup everything from a 645 EMD(Electromotive Diesel) to a 1 cylinder (popping johnny) has copper/brass gasketts around the tip and seat into a copper/brass sleave in the head,has something to do with the quick heat transfer properties as well as being rather soft and malable as metals go.

maddenjr · #5 (**permalink**) 11-25-2009, 04:35 PM

Yea i did injectors on an 03 today and they all had brass washers on them bud...

scotty2280 · #6 (**permalink**) 11-25-2009, 04:40 PM

they had brass not copper?

maddenjr · #7 (**permalink**) 11-25-2009, 07:29 PM

Sorry your right!!!!!

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