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Old 05-02-2020, 11:07 AM
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Default Stainless steel injector cups

Has anyone used these from riffraff yet?

https://www.riffraffdiesel.com/injec...t-7-3l-94-03/?

Looking at putting these in once I get my heads back from the machine shop.
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‘96 7.3. PIS 350 200s. Precision Turbo 76mm. Big Oil.
‘18 Cummins 2500 White Laramie Sport.
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Old 05-02-2020, 02:43 PM
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A couple guys on PSN have put them in with great success.
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1996 Cali F350 SRW CCFB, 7.3/E4OD, 2wd SAS w/ 386,000 miles, rebuilt at 352,250.
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Old 05-02-2020, 02:49 PM
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Quote:
Originally Posted by Lt.Dan View Post
A couple guys on PSN have put them in with great success.

That’s great to know.
I wonder if they require a different locktite?
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‘96 7.3. PIS 350 200s. Precision Turbo 76mm. Big Oil.
‘18 Cummins 2500 White Laramie Sport.
Stock with a warranty
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Old 05-02-2020, 02:50 PM
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Riffraffs instructions should reference to that, I'm not sure

Instructions are the same for the brass cups, I'm guessing they use the same compound.
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1996 Cali F350 SRW CCFB, 7.3/E4OD, 2wd SAS w/ 386,000 miles, rebuilt at 352,250.

Last edited by Lt.Dan; 05-02-2020 at 02:54 PM.
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Old 05-02-2020, 02:57 PM
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Well, just another thing to install before the heads go back on lol
I’ll report back once I get them installed
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‘96 7.3. PIS 350 200s. Precision Turbo 76mm. Big Oil.
‘18 Cummins 2500 White Laramie Sport.
Stock with a warranty
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Old 07-29-2020, 11:31 AM
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They look impressive. The fact they are stainless does concern me a bit. I have worked with quite a bit of stainless through the years. Stainless gets extremely brittle with heat. Brittle to the point where it gets very fine spider cracks. These may not do that, but that is my experience with repeated heating of stainless.
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Old 07-29-2020, 11:46 AM
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Honestly I thought the exact same thing.
However these are much stouter then the copper ones.
They should do fine.
I got the truck running but still a bunch of little stuff to finish up before I get it out on the road.
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‘96 7.3. PIS 350 200s. Precision Turbo 76mm. Big Oil.
‘18 Cummins 2500 White Laramie Sport.
Stock with a warranty
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Old 07-31-2020, 08:36 PM
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There are dozens of grades of stainless that are more than up to the task of the job they are doing. I'm sure clay at riffraff has done his research.
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1996 Cali F350 SRW CCFB, 7.3/E4OD, 2wd SAS w/ 386,000 miles, rebuilt at 352,250.
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