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Engine Management, Fuel, Spark, EGTs, and Air/Fuel Ratios This forum includes general electrical, modification, tuning, repair, replacement, identification and restoration of all components mentioned above including SMEC, SBEC, Logic Modules, aftermarket engine management, etc. Nitrous oxide posts go in here. This is the place

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Old 01-24-2013, 06:34 PM   #1
vacuum line problems  
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ok guys my 90 daytona 2.5 turbo, my vacuum lines that are on it behind the valve cover were all broke. i have no idea what ones go where. i have looked at diagrams and they confuse me even more. does anyone have pics of there stock ones? or what ones can i get rid of. help plz
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Old 01-24-2013, 07:24 PM   #2
Re: vacuum line problems  
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Welcome To TD!!!

If the plastic vacuum harness lines broke you do not want to splice them as a "permanent" fix since splicing only creates leaks.
What you are going to want to do is install a vacuum block with new vacuum line.

The lines coming from the manifold source runs to Solenoids, (Baro, Wastegate, Canister Purge) Fuel Pressure Regulator and Boost Gauge(If Equipped).
Your other plastic lines behind the valve cover should run to the turbo and from the throttle body to the vapor canister.

Here is the link to a thread on vacuum blocks.
http://www.turbododge.com/forums/f4/...-93-turbo.html

Here are some pics of the components so you can see what they look like.

1990 2.2L VNT WITH VACUUM BLOCK(NOT ENTIRELY THE SAME AS YOUR 90 T-1 BUT YOU GET THE IDEA)










MAP SENSOR AND BARO SOLENOID
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Old 01-24-2013, 08:44 PM   #3
Re: vacuum line problems  
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awesome that helped alot! i will be buying the valve for it soon. that looks alot better!
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Old 01-24-2013, 09:30 PM   #4
Re: vacuum line problems  
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hey NAJ dumb question but is that mobil one plaque factory or did you add that as i like that plaque
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Old 01-24-2013, 10:26 PM   #5
Re: vacuum line problems  
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or you can buy factory size nylon or upgrade to factory size polyurethane from here: Flexible Pneumatic Tubing & Hoses | AutomationDirect.com

and have a vac harness that hides in the engine bay like this: 100_1363

Instead of dominating the engine bay like a vac block does.

Here's a factory complete setup for 88+ intake manifolds using the poly line. Factory nylon would look similar as well. 100_1732
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Old 01-25-2013, 04:59 AM   #6
Re: vacuum line problems  
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Quote:
Originally Posted by 92TurboTona View Post
hey NAJ dumb question but is that mobil one plaque factory or did you add that as i like that plaque
The Mobil 1 plaque was factory from an early/mid 90's Corvette.
Back in 95/96 we had one traded in and I saw the plaque, went to our parts dept (We were Olds/Jeep/Eagle) and they ordered one.
Cost was $5.00 and it came direct from Bowling Green, KY, home of the Corvette.
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Old 01-25-2013, 10:35 AM   #7
Re: vacuum line problems  
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might have to order me one as those are pretty nice
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