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Old Apr 29, 2010 | 12:27 AM
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trans am you lose's Avatar
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Default opti question

I have the early opti and it went bad. So i pull it off and I noticed its not like the vented one. How will i know how to install it properly? it looks like a spline shaft just goes right in but how do i make sure the rotor is in the right spot? Idk, its late im tired, does anyone understand my question. Thanks
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Old Apr 29, 2010 | 03:25 AM
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Originally Posted by trans am you lose
I have the early opti and it went bad. So i pull it off and I noticed its not like the vented one. How will i know how to install it properly? it looks like a spline shaft just goes right in but how do i make sure the rotor is in the right spot? Idk, its late im tired, does anyone understand my question. Thanks
http://shbox.com/1/93-94_opti.jpg

^^^The spline drive technically can only be installed one way. As long as you line it up correctly and don't force it, it should slip right on and you'll know you have it on correctly.

Also, you can get a MSD cap and rotor. That will effectively convert your opti to a vented style. You'll need to run vacuum hoses to the intake elbow and to the side of the intake manifold to properly vent it. Don't forget to thread lock the rotor screws before you reinstall the opti.
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