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

Where do these lines go?

Thread Tools
 
Search this Thread
 
Old 04-24-2011, 01:39 PM
  #1  
Staging Lane
Thread Starter
 
derek3.4's Avatar
 
Join Date: Aug 2010
Location: Louisville KY
Posts: 63
Likes: 0
Received 0 Likes on 0 Posts
Default Where do these lines go?

I'm not sure if these are even right. They're the little plastic lines T'd off. One isnt even hooked to anything. Like I posted in a thread before, I bought the car wrecked and need help. 94 Trans Am. I can't seem to find a GOOD diagram of what they are.



also, where does this fuel line connect? It's been blocked off with a screw.
Old 04-24-2011, 01:55 PM
  #2  
TECH Regular
iTrader: (1)
 
jasonisdn's Avatar
 
Join Date: Jan 2007
Posts: 484
Likes: 0
Received 0 Likes on 0 Posts
Default

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

start there and the rest should be on that site also. i hope that's not the return line. follow the vacuum lines and take a picture where he had them connected. the way things are looking, you are gonna have to go through that entire car.

see if the connections match on the back of your intake to this.
http://shbox.com/1/fp_reg.jpg
Old 04-24-2011, 02:06 PM
  #3  
Staging Lane
Thread Starter
 
derek3.4's Avatar
 
Join Date: Aug 2010
Location: Louisville KY
Posts: 63
Likes: 0
Received 0 Likes on 0 Posts
Default

Thanks, I'll give it a try. The other two fuel lines are connected. I know that. Theres just something about that third one. lol
Old 04-24-2011, 02:09 PM
  #4  
TECH Resident
iTrader: (21)
 
Verz's Avatar
 
Join Date: Aug 2006
Location: Wichita KS
Posts: 947
Likes: 0
Received 0 Likes on 0 Posts

Default

id like to help but i deleted all the emissions crap a long time ago
Old 04-24-2011, 02:22 PM
  #5  
Staging Lane
Thread Starter
 
derek3.4's Avatar
 
Join Date: Aug 2010
Location: Louisville KY
Posts: 63
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by Verz
id like to help but i deleted all the emissions crap a long time ago
Well The AIR Pump seems to have been deleted so I guess Thats one thing I don't have to worry about. I'm just not sure what all went with that.

The Fuel Feed and Return lines are definitely hooked up. Looking at them now.
Old 04-24-2011, 02:25 PM
  #6  
TECH Fanatic
iTrader: (11)
 
defaultexistence's Avatar
 
Join Date: Sep 2005
Location: fort walton beach,fl
Posts: 1,954
Likes: 0
Received 0 Likes on 0 Posts
Default

The line blocked witha screw goes to the evaporate canister, not needed once you remove emissions crap, the small T connection one line provides vacuum to the evap purge solenoid one vacuums the opti T is also not needed block it or remove the T and connect just the opti
Old 04-24-2011, 02:27 PM
  #7  
TECH Fanatic
iTrader: (11)
 
defaultexistence's Avatar
 
Join Date: Sep 2005
Location: fort walton beach,fl
Posts: 1,954
Likes: 0
Received 0 Likes on 0 Posts
Default

If the T remains open it will be a vac leak and cause idle issues
Old 04-24-2011, 02:51 PM
  #8  
Staging Lane
Thread Starter
 
derek3.4's Avatar
 
Join Date: Aug 2010
Location: Louisville KY
Posts: 63
Likes: 0
Received 0 Likes on 0 Posts
Default

Originally Posted by defaultexistence
The line blocked witha screw goes to the evaporate canister, not needed once you remove emissions crap, the small T connection one line provides vacuum to the evap purge solenoid one vacuums the opti T is also not needed block it or remove the T and connect just the opti
Looking at the diagrams, theres no T connection there.
Old 04-24-2011, 06:18 PM
  #9  
TECH Fanatic
iTrader: (1)
 
litch2004's Avatar
 
Join Date: May 2007
Location: Austin
Posts: 1,782
Likes: 0
Received 1 Like on 1 Post
Default

^^ that's because from the factory there isn't one. Originally it was for.the egr and evap only. But it looks like the installed a vented opti cap and this is where they installed a vacuum line. if egr and evap are deleted then only the opti cap vacuum needs to be connected here.
Old 04-24-2011, 08:54 PM
  #10  
Staging Lane
Thread Starter
 
derek3.4's Avatar
 
Join Date: Aug 2010
Location: Louisville KY
Posts: 63
Likes: 0
Received 0 Likes on 0 Posts
Default

You guys are awesome. Thanks for all the help. This is a different world than the 3.4L I had lol. Thanks everyone for the input



Quick Reply: Where do these lines go?



All times are GMT -5. The time now is 12:32 AM.