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Old 07-30-2012, 10:29 AM   #1
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Oring for injectors

I was wanderinn what to put on new orings for injectors? I know not to use oil but just dontknow what to use
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Old 07-30-2012, 11:27 AM   #2
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Re: Oring for injectors

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I was wanderinn what to put on new orings for injectors? I know not to use oil but just dontknow what to use
Isn't it a little bit of gas to make it easier to get the injector seated?
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Old 07-30-2012, 12:54 PM   #3
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I ain't never heard to put gas on them but idk. I just always thought u was supossed to put some kind of grease or conditioner on them for the rubber so they don't deteirate over time
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Old 07-30-2012, 01:04 PM   #4
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I've been searching in here, but I haven't found any talk about the installation of the injectors. That sucks too, because that is a pretty common thing to do. If I see something I'll post it for sure.
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Old 07-30-2012, 01:35 PM   #5
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Ok thanks man. I've done a little research to and can't find a exact answer. Mabye somebody else will Know and post it
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Old 07-30-2012, 02:13 PM   #6
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Re: Oring for injectors

I just use a bit of silicone spray or grease. It doesn't damage the O-rings and they slip right in.
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Old 07-30-2012, 03:18 PM   #7
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Thanks TH!
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Old 07-30-2012, 03:30 PM   #8
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Ok thanks. That's what I'll get
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Old 07-30-2012, 07:06 PM   #9
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Vaseline works too
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Old 07-31-2012, 01:04 AM   #10
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Re: Oring for injectors

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Vaseline works too
Yeah, for lots of things.
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Old 07-31-2012, 01:56 AM   #11
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Re: Oring for injectors

I have a friend that's a mechanic and he said they use dilithium grease and that's what in also use. He also said that what ever somebody might use will be cleansed almost immediately after starting the engine because the fuel washes the o ring clean. I just pulled both my fuel rails last month. They slid right in with no tearing of the o rings and no leaks at all.
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Old 07-31-2012, 02:06 AM   #12
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Re: Oring for injectors

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I have a friend that's a mechanic and he said they use dilithium grease and that's what in also use. He also said that what ever somebody might use will be cleansed almost immediately after starting the engine because the fuel washes the o ring clean. I just pulled both my fuel rails last month. They slid right in with no tearing of the o rings and no leaks at all.
Lithium grease is another good choice as it is a "soap" based grease.


But I disagree that it will be cleaned off immediately.
The O-ring is behind the pintle cap which covers most of it and the fuel should be spraying away from it with air flow coming in behind it, so very little fuel can actually get to the O-ring.


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