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ID1000...maybe? Help identifying injector issue.

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ID1000...maybe? Help identifying injector issue.

 
Old 02-25-2019, 04:26 PM
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Default ID1000...maybe? Help identifying injector issue.

I picked up a set of ID1000s from a regional S2K owner that is adamant he used them unmodified in a recent build of his. I'm swapping up from a set of RC550s, but am having fitment issues. I know the IDs require use of both the provided larger rubber seal along with the OEM injector seal. I installed the ID1000s into both my factory fuel rail and my new AEM fuel rail, but there's a clear gap between the two seals at the manifold. I put the IDs side by side with my older factory S2k injectors and it seems there's about a 1/16" or more difference in the hard stops on the injector body. Any thoughts?








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Old 02-25-2019, 04:50 PM
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Did the RC injectors have you install a longer stud or those stock? I forgot, maybe someone can verify. If so thats your discrepancy.

If memory serves, there is a concave washer that is supposed to be there above the top cushion. Not sure if that will make up the distance needed, but thats what my old 00-05 ID1000 had. It looks more like you are off by another cushion thickness though. 3 cushions may solve the issue, if it doesn't create any other.

Last edited by s2000Junky; 02-25-2019 at 04:54 PM.
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Old 02-25-2019, 04:59 PM
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The RC550s were longer so I had to put in a larger spacer below each of the support studs, but I've removed those. A 3rd seal might work but I anticipate issues with squeeze that could cause more leaks. He had an 04, and i've got an 05, so i know it's not a generation issue.
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Old 02-25-2019, 05:13 PM
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Originally Posted by Dwnfrce View Post
The RC550s were longer so I had to put in a larger spacer below each of the support studs, but I've removed those. A 3rd seal might work but I anticipate issues with squeeze that could cause more leaks. He had an 04, and i've got an 05, so i know it's not a generation issue.
Your still missing the washer that goes above the top cushion, that must be it. Its concave so it crowns over the top cushion to keep it from muffin topping. Im guessing the top cushion on your injector as is is riding too far up the injector housing without the washer, creating the discrepancy.
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Old 02-25-2019, 05:17 PM
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Here you go, and notice the ribbed concave washer at top of cushion stack yours doesn't have. It changes the whole stack distance.

https://www.s2ki.com/forums/s2000-fo...l-help-862955/
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Old 02-25-2019, 05:23 PM
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Man, I read trough that thread but must have skipped over Jacko's comment: "I had the same issue when I first installed mine, don't forget the washers they come with either without both the injectors will never seat correctly."

Guess i'm on the hunt to source them now. Thank you @s2000Junky !
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Old 02-25-2019, 08:16 PM
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Cut off the plastic retainer at the bottom of the injector and remove the small O-rings. You might be able to get the washers that are needed above the lower cushion from Injector Dynamics or T1.

The other option is to keep the plastic retainer on the bottom, get the new lower adapters and larger lower O-ring (on the injector), and drop in.


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Old 02-26-2019, 03:49 AM
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Originally Posted by yamahaSHO View Post
Cut off the plastic retainer at the bottom of the injector and remove the small O-rings. You might be able to get the washers that are needed above the lower cushion from Injector Dynamics or T1.

The other option is to keep the plastic retainer on the bottom, get the new lower adapters and larger lower O-ring (on the injector), and drop in.

Thanks for the additional options. I sent T1 a request last night so I'll see what they say before modifying the injectors .
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Old 02-26-2019, 10:32 AM
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Cutting is not a big deal. Anything that takes a Denso cushion has these removed. I had to do this when fitting injectors into my old SHO
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Old 02-26-2019, 11:34 AM
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Originally Posted by Dwnfrce View Post
Thanks for the additional options. I sent T1 a request last night so I'll see what they say before modifying the injectors .
I think you talked to Ryan up here today. If you picked up the newer style adapters, do not modify the lower o-ring retainer.
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