Quote:
Originally Posted by WildBillyT
DAMN! Maybe I was looking at prices for a vented opti??
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GM dealer prices: ( ugh!)
Vented - $614
None Vented - $709
Quote:
Originally Posted by Knipps
form nonvented to vented? Not worth it.
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Quote:
Originally Posted by Shownomercy
Very worth it. But thats my .02.
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The conversion is a good idea
but only if you're doing allot of mods and want more then the stock timing chain, such as going to a LT4, extreem duty or double roller. If not then just stay with the none vented.
To convert to a vented opti you need: 95-97 timing cover, opti, wiring harness, vent hoses Timing chain set, and a different cam. The 92-94 cams have a different size hole in the front that will not accept the vented opti drive shaft. So for that much effort and money just throw another non-vent in it!
There is actually a kit to vent a none vented opti. It's nothing more then a vacuum hose, T-fitting, filter and some sealer. No definite answer if it really helps? There are 3 vent holes on the bottom of the opti, you seal two holes and use a vacuum hose in the 3rd hole to draw out any mositure out.