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

Stock 94 opti with vented msd cap

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Old Feb 23, 2011 | 10:54 AM
  #1  
Bigjaycass's Avatar
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Stock 94 opti with vented msd cap

Is there anyone running the stock, non vented, opti with the vented msd cap and rotor? Wanted to know if this set up works just as good as the stock vented optispark? Thanks for any help.
Old Feb 23, 2011 | 11:29 AM
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Re: Stock 94 opti with vented msd cap

It may not be just like the factory vent, but it should be effective.
Old Feb 23, 2011 | 02:26 PM
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Re: Stock 94 opti with vented msd cap

I have the msd optispark and iirc the vent tubes are not on the cap but are on the unit itself.
Old Feb 23, 2011 | 02:57 PM
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Re: Stock 94 opti with vented msd cap

Originally Posted by rednblack94z28
I have the msd optispark and iirc the vent tubes are not on the cap but are on the unit itself.
The MSD cap and rotor kit for the non-vented models has vent provisions in the cap. That is one of the better reasons to buy their kit. It lets you vent a non-vented opti.
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