Single Vacuum Diagram?
Single Vacuum Diagram?
I was wondering if anyone with more computer skills than me could photo shop the stock vacuum diagram, for single turbo? There have been alot of people that have asked where lines go after going single. Maybe we can solve this with a good post with pictures. I'll take pictures and post them, being that I am going single right now. Sound like a good idea? Just trying to help out the single community! I am just glad I don't have to hook up those million vaccum line again.
I found this at one point, I hope it helps.
http://www.3rdgenrx7.com/images/blk/singlevachose.jpg
Grant
http://www.3rdgenrx7.com/images/blk/singlevachose.jpg
Grant
I apologize I never finished that drawing. I did it so someone could answer some questions for me and they did, but I never went back and finished it. Let me print it out and go down and look at my engine and then answer your questions and maybe finish the drawing tomorrow. I am amazed how often this drawing pops up in threads - I am glad I wasnt the only one who couldnt figure it out on their own...
Give me about 15 min or so...
Shawn
Give me about 15 min or so...
Shawn
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Ok...here are all the vac lines I have in my car.
1. IC pipe to side wastegate.
2. IC pipe to boost control unit (then to top of wastegate)
3. Upper Intake (rear near throttle body) to FPR
4. Upper Intake (rear near throttle body) to map sensor
5. Upper Intake (front near throttle body) to PCV (positive crankcase ventilation) valve (I kept this because I have no nipple on intake side of turbo so I capped the second pcv line - if I could hook into the intake side of the turbo I would take out PCV valve and run second pcv line to a catch can and then to there)
6. Upper Intake (nipple at Lower intake) to boost control unit (or boost gauge)
7. Upper Intake (nipple at lower intake) to BOV
8. Oil injectors to Upper Intake (front near throttle body) (only because again no nipple on intake side of turbo)
Now what I can see wrong or incomplete on the drawing...
The 2 question marks are the oil injectors. The question I had was that I have heard 3 different things to do with these. 1) cap them - by alot of people but I dont think that is right. 2) Run a line from them to intake side of turbo - makes the most sense except I have no place to connect to yet so... 3) Run to manifold - next best thing I guess - still get vacuum on injectors at idle.
The line in front of the oil injectors by the front secondary injector is capped. When I got my car this actually was connected to my IC but that didnt make sense to me so I capped it.
I took the purge control valve, charcoal canister, and entire fuel vapor line out.
Also if you do a search on diagram you will see several discussions centered around this drawing and a few people posted a list of their hoses.
Good luck and let me know if you have anymore questions - I will try to help if I can!
1. IC pipe to side wastegate.
2. IC pipe to boost control unit (then to top of wastegate)
3. Upper Intake (rear near throttle body) to FPR
4. Upper Intake (rear near throttle body) to map sensor
5. Upper Intake (front near throttle body) to PCV (positive crankcase ventilation) valve (I kept this because I have no nipple on intake side of turbo so I capped the second pcv line - if I could hook into the intake side of the turbo I would take out PCV valve and run second pcv line to a catch can and then to there)
6. Upper Intake (nipple at Lower intake) to boost control unit (or boost gauge)
7. Upper Intake (nipple at lower intake) to BOV
8. Oil injectors to Upper Intake (front near throttle body) (only because again no nipple on intake side of turbo)
Now what I can see wrong or incomplete on the drawing...
The 2 question marks are the oil injectors. The question I had was that I have heard 3 different things to do with these. 1) cap them - by alot of people but I dont think that is right. 2) Run a line from them to intake side of turbo - makes the most sense except I have no place to connect to yet so... 3) Run to manifold - next best thing I guess - still get vacuum on injectors at idle.
The line in front of the oil injectors by the front secondary injector is capped. When I got my car this actually was connected to my IC but that didnt make sense to me so I capped it.
I took the purge control valve, charcoal canister, and entire fuel vapor line out.
Also if you do a search on diagram you will see several discussions centered around this drawing and a few people posted a list of their hoses.
Good luck and let me know if you have anymore questions - I will try to help if I can!
Originally posted by shawnk
The 2 question marks are the oil injectors. The question I had was that I have heard 3 different things to do with these. 1) cap them - by alot of people but I dont think that is right. 2) Run a line from them to intake side of turbo - makes the most sense except I have no place to connect to yet so... 3) Run to manifold - next best thing I guess - still get vacuum on injectors at idle.
The 2 question marks are the oil injectors. The question I had was that I have heard 3 different things to do with these. 1) cap them - by alot of people but I dont think that is right. 2) Run a line from them to intake side of turbo - makes the most sense except I have no place to connect to yet so... 3) Run to manifold - next best thing I guess - still get vacuum on injectors at idle.
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Jeff20B
1st Generation Specific (1979-1985)
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Sep 16, 2018 07:16 PM



