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Check to see if you have the right "Y" vac fitting

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6SENSE

Member
Joined
Jun 3, 2001
Messages
1,635
Man, I wish my car was a bone stock RUNNING car when I got it. Instead of a jigsaw puzzle. Most of the stuff that Ive had problems with are just stupid.

Okay, Im not going to start ranting. Once again I learn something else about this car. After the other thread about the "Y" pipe, I finally got around to checking mine. As I suspected (because I put this car together almost from scratch), it was just a regular "Y" vac connector, probably from the "help" isle at Auto Zone. I went over to a stock motor that Ive got and took the "Y" pipe from it, and wouldnt you know, its got a restrictor in it. I put it on the car and took it out for a ride. It was starting to rain so I couldnt go too crazy, but all of a sudden I had better spool, and my boost which I thought was set at about 19psi shot up to about 24psi :eek: . Of course I backed off (thank you Casper's audible knock detector), before it went any higher (Im pretty sure it would have).
Guys, if you dont already know for sure that youve got it, take the time to check. Its definately worth it. To think, Ive probably got a few of them laying around with all the parts Ive accumulated. I just didnt know anything about it. Thats the beauty of having this board :) . One of these days Im going to get it together and run some REALLY nice non-intercooled times....... just need to make sure I dont have any other stupid stuff to find out about :rolleyes:
 
I'm glad it worked for you. The only reason I knew about it was from looking at my dad's car. I discovered it by accident, thought his Y was plugged up at first glance. My car also had a regular Y and not the right one. This was before I knew about this board so I just got lucky. I guess it's sort of like a poor man's grainger valve, it delays to boost signal to the wastegate.
 
GAWD what a jigsaw puzzle my car has been :p Only positive I have found, while tearing down to fix exhaust leaks, is that the engine has been VERY recently rebuilt. I now call this a positive, hoping whoever did it knew what they were doing. Although it appears to be a professionally rebuilt engine I'm not sure about the installation. Almost certian the car hasn't run/run worth a s#it since...... but as I know no history I can only guess. I am curious, most hotair cars have 2 vaccuum lines on the wastegate actuator from my research......mine only has one (adjustable). Does this make any sense?
 
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