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

Another Water Pump Thread...

Old Jul 12, 2015 | 12:13 PM
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Originally Posted by SS RRR
It's the way the optis are driven. Look about half way down this page:

https://www.nookandtranny.com/Info_LT1.html
Well, weird bad news. My car is a 95, with a vented opti, but the top gear on the timing chain set according to that website is a non vented one? What? Was this replaced incorrectly by previous owner? Part # on top timing chain gear is "GM 10206039 PPM"






Vented opti






Last edited by VoyagerCamaro; Jul 12, 2015 at 12:26 PM.
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Old Jul 12, 2015 | 12:56 PM
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From: Jackstandican
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If the top gear was for a non-vented there would be splines to drive the non-vented opti, and your vented opti would not fit through the gear.
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Old Jul 12, 2015 | 01:01 PM
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Originally Posted by SS RRR
If the top gear was for a non-vented there would be splines to drive the non-vented opti, and your vented opti would not fit through the gear.
Sorry for the LT1 Newbness. I will update later with pics to see if the cloyes timing set will work.
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