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

Optispark Vacuum Harness

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Old Oct 6, 2011 | 06:49 PM
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Default Optispark Vacuum Harness

This is the one thing I don't have. Need to get my hands on this since it is the last thing, engine wise, on my to-do list.

However I don't have the schematics for it. And since I have a 1994 LT1 and converted to a 95 opti I don't know if I have the connections for it.

Don't see it on shbox's website either.

Edit: It should have no issues running without it for now right? Just until I get my hands on one.

Last edited by Rob94hawk; Oct 6, 2011 at 06:58 PM.
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Old Oct 6, 2011 | 08:43 PM
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if you are forced to ride on it at least cap the ends. im not proud of it but i had to for a couple weeks.
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Old Oct 6, 2011 | 09:24 PM
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Originally Posted by Rob94hawk
This is the one thing I don't have. Need to get my hands on this since it is the last thing, engine wise, on my to-do list.

However I don't have the schematics for it. And since I have a 1994 LT1 and converted to a 95 opti I don't know if I have the connections for it.

Don't see it on shbox's website either.

Edit: It should have no issues running without it for now right? Just until I get my hands on one.
What is it you are not seeing on my website?

http://shbox.com/ci/opti_vent.jpg

http://shbox.com/1/opti_vacuum_conn.jpg

http://shbox.com/1/opti_vacuum_harness.jpg

http://shbox.com/ci/ci05.jpg
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Old Oct 6, 2011 | 09:55 PM
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Coming through as usual!


One problem is I have a larger opening on my SLP Firehawk intake where the air pump hose goes but I'm sure I can work around this.



As for this since I have the 94 my PCV valve goes right into where the opti vent goes right next to it. So I need a hose to hook it up to the front instead. Or can I just hook the vent up to the front of the intake right below the throttle body? Right now I have a plug but I do have the right bolt in attachments.

Edit: Can I hook the opti vacuum harness up to the EGR since it no longer exists?

Last edited by Rob94hawk; Oct 7, 2011 at 05:58 AM.
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