LT1-LT4 Modifications 1993-97 Gen II Small Block V8

Optispark possibly ruined ?

Old May 21, 2018 | 02:09 PM
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Default Optispark possibly ruined ?

I installed my new opti and I made sure the opti and the cam lined up in the gear behind the opti. I couldnt press the opti in by hand because i felt as if the o rings were too new for me to just slide the opti on the camshaft. I ended up using the bolts to press it on and i did it evenly all around, because it wasnt going on by hand. I have a 1995 Lt1 motor. give me some feedback on wether or not I should take it off and see if i accidentally bent the opti in the back. or should i just say screw and see if itll run fine when the motor is back together in my car.
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Old May 21, 2018 | 03:05 PM
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you should never pull the opti on using the bolts. Yeah the new "O" rings take a little effort to push on and should have been done just by pushing it on. You can lightly oil the "O" rings to help it slide on

I would take it off and confirm you did get it on right
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Old May 21, 2018 | 03:42 PM
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Originally Posted by ******
you should never pull the opti on using the bolts. Yeah the new "O" rings take a little effort to push on and should have been done just by pushing it on. You can lightly oil the "O" rings to help it slide on

I would take it off and confirm you did get it on right
okay im gonna go do that right now. it kinda sucks though because u cant really see the pin go into the opti from the back because once they touch they are pretty much covered up..
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Old May 21, 2018 | 04:27 PM
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IDK what kind of force you used to tighten the bolts, you do. If the bolts went in by finger tight that is OK. If it took a ratchet with some effort to pull the Opti flush...not good.

Yeah you can't see the pin go into the Opti but lining up the opti to whatever location the cam pin is in then just pushing it on is the way to do it by hand.
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Old May 21, 2018 | 04:49 PM
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Originally Posted by ******
IDK what kind of force you used to tighten the bolts, you do. If the bolts went in by finger tight that is OK. If it took a ratchet with some effort to pull the Opti flush...not good.

Yeah you can't see the pin go into the Opti but lining up the opti to whatever location the cam pin is in then just pushing it on is the way to do it by hand.
I did use a ratchet... but i didnt put any real force on it. I really just tightened lightly until they were fully tight..
i got some pics here of it when I took it off. I couldnt tell if any actual damage was done other then the O rings being broken.. so idk right now. I hope i dont have to buy another optispark. Im hoping i can just get some o rings and try it again

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Old May 21, 2018 | 05:48 PM
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Just spin the shaft. If it moves freely and no noise from inside the Opti it should be fine

good you pulled it. It may have been on right in terms of pin lining up with the Opti hole....but that O ring is dead. If it was not lined up right it would not have started

The O rings that come in the $12 front timing cover gasket kit "can" be used....although they are intended for the WP drive spline and WP gear drive spline

You want to use Viton O rings if you try and find other ones

Use some oil on them next time

The O rings don't seal oil, they "stabilize" the Opti shaft in the cam
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Old May 21, 2018 | 06:00 PM
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Originally Posted by ******
Just spin the shaft. If it moves freely and no noise from inside the Opti it should be fine

good you pulled it. It may have been on right in terms of pin lining up with the Opti hole....but that O ring is dead. If it was not lined up right it would not have started

The O rings that come in the $12 front timing cover gasket kit "can" be used....although they are intended for the WP drive spline and WP gear drive spline

You want to use Viton O rings if you try and find other ones

Use some oil on them next time

The O rings don't seal oil, they "stabilize" the Opti shaft in the cam
im turning the opti and it moves freely but should i hear ANY noise when turning it ? because i do hear something but it just sounds like the shaft is turning..
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Old May 21, 2018 | 06:26 PM
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Never mind I just realized i had a one year warranty on the b. well when i get my new one ill make sure to listen to what you said for the install. Thanks
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