06-05-2003, 06:21 AM
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#2
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Wastegate Line Restrictor/Orifice!?
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Naturally Aspirated
Join Date: Mar 2003
Location: 20 Miles south of Indy
My Ride: 87 LeBaron Convert
Engine: 2.2 Turbo 2
Induct: Turbo
1/4: 0.000
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Edited in because it won't let me reply (says I gotta wait 45 seconds even tho it's been like 20 mins)
I had planned on it. But I do not have any money right now so the G-valve is on hold.
I want to run as close to stock as I can right now (7psi or whatnot)
I just need to know how exactly in the stock situation the "orifice/restrictor worked" ... whether it was in-line between the turbo nipple and the solenoid/can T or whether it was like a vacuum line connecter between the turbo nipple & T but with a very small (.02 or .025) hole in it ?
Edited in because it won't let me reply (says I gotta wait 45 seconds even tho it's been like 20 mins)
http://www.gusmahon.org/images/restrictororifice2.gif
From what I understand I need to in the top picture put a .025 restrictor (I have one) in the "bleed hole" on that picture? In my thoughts it would allow the intake manifold to be about 7psi and let air bleed out slowly so that some air reaches the actuator... so maybe at 7psi in the intake I would end up with 3psi going to the can?
Or does it simply go in-line on the wastegate line before the T to the solenoid & can? My thought is that if it doesn't go that way and it is actually an "orifice" that I'd want to put a vacuum line T between the turbo output nipple and the solenoid/can T and on the open end of it put the restrictor.
Which of these is correct? If any? At this point in time I am wanting to come as close to stock as I can. (using the wastegate solenoid controlled by the computer)
Thanks!
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