C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Quick fuel injector question

Old Dec 10, 2011 | 09:05 PM
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Default Quick fuel injector question

One of my fuel injectors will turn slightly with my fingers, the other 7 are solidly in. Is this normal or should they all be tight?

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Old Dec 11, 2011 | 12:45 AM
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The injectors are held in place by the fuel rail and/or fuel rail clips.
They should turn/rotate with the o-rings on each end.
After time and heat, the o-rings can become brittle enough to leak.
If yours are leaking, you've been playing with them too much.
Replace all the o-rings asap, or before the engine burns down the front of your Vette.
Which ever comes first.....

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Old Dec 11, 2011 | 01:56 AM
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Yes they can be moved a bit by hand this is normal, if the o rings are old and hard the injectors can be tight.
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Old Dec 11, 2011 | 09:41 AM
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Thanks. No they aren't leaking, but I've only run the car for maybe 20 minutes total since I got it a couple weeks ago. There is a lot on the "To Do" list during the winter, maybe changing that will be on it. And, no. Haven't been playing with them too much, I just noticed one was looser the the rest.
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