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lubing injector O rings?

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Old 10-15-2000, 06:46 AM
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Engine: 350 HSR
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lubing injector O rings?

While installing the injectors we lubed them w/ motor oil to ease installing them.Every injector has a vac. leak.When I went back to parts they informed me that they should be installed dry cause they expand when the get wet by gas and the oil would prevent this and could do damage to the O rings.So when I replace the O rings should I do them dry?


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Old 10-15-2000, 08:55 AM
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I've heard people use white grease so they come back out easier. I installed mine dry however, I'll just replace them if I tear one on removal. Which I'll probably be doing this week.

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Old 10-15-2000, 10:13 AM
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who's orings did you use?I've used GM kits and always lubed with motor oil and have never had a problem.

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Old 10-15-2000, 05:35 PM
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Bill you didn't lube your "O" ring enough Still having problems? I think Kat has just about gave up

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Old 10-15-2000, 06:41 PM
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Yes, you need to lube them, but you also need to use "fuel injector o-rings" like mentioned before. If you don' lube them, then you run the risk of tearing the o-rings.

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Old 10-15-2000, 07:04 PM
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Car: 89 IROC
Engine: 350 HSR
Transmission: modified 700R4
Axle/Gears: 3.42
I used fuel injector O rings lubed w/ 5w30 motor oil

------------------
86 IROC mods:T.E.S.,Flowmaster muffler
T.P.I.S. airfoil,ported plenum,March
pulleys,Accel 8.8wires,supercoil,ign.mod.
RAM AIR induction,gutted MAF,
B&M shift kit,3.73 rear gears,Accel afpr,Hypertech stage 2 chip,Random Tech.cat.,Lakewood lower control arms,Lakewood adj.panhard rod
"The more I learn about women,the more
time & money I spend on my IROC"
Old 10-15-2000, 11:35 PM
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Kat
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Car: Camaro Vert
Engine: 355 HSR
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Axle/Gears: 3.73 S60
hey Tony I didnt give up yet man.. But I di say I hate TPI! =)

Kat

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Old 10-16-2000, 07:09 AM
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Car: 89 IROC
Engine: 350 HSR
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THNX Kat,
We'll get her this Thurs!!!!
BD3

------------------
86 IROC mods:T.E.S.,Flowmaster muffler
T.P.I.S. airfoil,ported plenum,March
pulleys,Accel 8.8wires,supercoil,ign.mod.
RAM AIR induction,gutted MAF,
B&M shift kit,3.73 rear gears,Accel afpr,Hypertech stage 2 chip,Random Tech.cat.,Lakewood lower control arms,Lakewood adj.panhard rod,mac subframe connectors
"The more I learn about women,the more
time & money I spend on my IROC"
Old 10-16-2000, 07:52 AM
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Car: 85 IROC-Z / 88 GTA
Engine: 403 LSx (Pending) / 355 Tuned Port
Transmission: T56 Magnum (Pending) / T5
Axle/Gears: 3.42 / ?
I rubbed a little motor oil on my o rings before I installed them, and I don't have any leaks at all. My o rings came with the new injectors.

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