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

where do the vented opti tubes go?

Old Aug 18, 2004 | 07:15 PM
  #1  
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where do the vented opti tubes go?

I just did a host of work to my '94 including a vented opti conversion and now I can't find where the vent tubes go...I know one goes in the intake boot, but I dont know about the other one. Can't find it on the site. Anyone?
Old Aug 18, 2004 | 07:45 PM
  #2  
97 WS6 T/A Conv's Avatar
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Re: where do the vented opti tubes go?

Other one goes to driver side intake.
Old Aug 18, 2004 | 08:24 PM
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Re: where do the vented opti tubes go?

It goes here on 1995. You might need to add a tee for your 1994.
Old Aug 18, 2004 | 08:29 PM
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Re: where do the vented opti tubes go?

Originally Posted by shoebox
It goes here on 1995. You might need to add a tee for your 1994.
Same for 96-97's (for future reference).
Old Aug 18, 2004 | 08:51 PM
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Re: where do the vented opti tubes go?

Awesome guys. I'll have to get a tee. Curious, that pic shows that the PCV line goes into the port under the throttle body...but mine's blocked off and runs right back into the intake right next to the PCV outlet. Is that screwed up or something?
Old Aug 18, 2004 | 08:59 PM
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Re: where do the vented opti tubes go?

Originally Posted by dhirocz
Awesome guys. I'll have to get a tee. Curious, that pic shows that the PCV line goes into the port under the throttle body...but mine's blocked off and runs right back into the intake right next to the PCV outlet. Is that screwed up or something?
Nah, I've seen some guys do that. I think they're trying to cut down on the oil circulation that finds it's way into our intakes. It should also help eliminate oil getting into the idle air passages.
Old Aug 18, 2004 | 09:07 PM
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Re: where do the vented opti tubes go?

Originally Posted by dhirocz
Awesome guys. I'll have to get a tee. Curious, that pic shows that the PCV line goes into the port under the throttle body...but mine's blocked off and runs right back into the intake right next to the PCV outlet. Is that screwed up or something?
Your's is a 94.. the PCV is a u shaped hose on 94's.. [it doesn't go to the TB..
I believe that is a 95-7 thing...]
Old Aug 18, 2004 | 09:22 PM
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Re: where do the vented opti tubes go?

Originally Posted by Mtrhds94Z
Your's is a 94.. the PCV is a u shaped hose on 94's.. [it doesn't go to the TB..
I believe that is a 95-7 thing...]
True.
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