RC injector woes.

[PotatoFlakeSTi]

I replaced the OEM injectors with RC 550's, new o-rings and seals. One is leaking during a boost leak test.

None of my injectors are engraved with a part-number indicating a size.


They are ALL labled with D1151AA

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Three of the injectors are marked with the number "1209" directly opposite of the connector

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One of the injectors (And the one leaking during a BLT) is marked "1199"

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I'm not ruling out the possibility of the seals leaking, but if anyone can discern what's going on with these part numbers I would appreciate it.

There were a total of 10 or so uninformative search results through google about "RC Injectors D1151AA".

 

[5150DSM]

Old archived thread from 'Talk. Looks like they are 550's. Also look for PL8M-550 somewhere on the injector.

http://www.google.com/url?sa=t&rct=...uDIryAffPSUJQ2v04pZvdwQ&bvm=bv.46751780,d.cGE

 

[PotatoFlakeSTi]

Old archived thread from 'Talk. Looks like they are 550's. Also look for PL8M-550 somewhere on the injector.

http://www.google.com/url?sa=t&rct=...uDIryAffPSUJQ2v04pZvdwQ&bvm=bv.46751780,d.cGE

Thanks, that helps a little. There are no engravings or markings other than the 2 I listed.

Still curious about the disparity between the 1209 and 1199 markings.

Resolved; Cleaned the seal seats on the head, used the upper injector spacers from the OEM injectors (softer rubber, but 1mm thicker). Made sure rail was at 7-9ft/lb of tq.

No-longer have a boost leak from the injector seal.

Though that still leaves the marking disparity on the one injector.