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LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

O-rings on shaft on the back of the opti?

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Old Mar 9, 2005 | 08:18 PM
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jchevy
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O-rings on shaft on the back of the opti?
On the shaft that sticks out of the back side of the opti there are 2 machined grooves. Is there supposed to be O-rings there?
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Old Mar 9, 2005 | 08:36 PM
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Re: O-rings on shaft on the back of the opti?
yes.
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Old Mar 9, 2005 | 08:40 PM
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Re: O-rings on shaft on the back of the opti?
HMMMM, wonder where mine went, there were none when i pulled it...
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Old Mar 9, 2005 | 10:28 PM
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Re: O-rings on shaft on the back of the opti?
That's not uncommon. They get brittle and die.
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Old Mar 9, 2005 | 10:47 PM
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Re: O-rings on shaft on the back of the opti?
What do the o-rings seal/do. I didnt have any oil leaks or anything.
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Old Mar 9, 2005 | 10:56 PM
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shoebox
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Re: O-rings on shaft on the back of the opti?
They aren't for oil control. The only thing I can figure is that they dampen/stabilize the end of that little stub on the opti drive.
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