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installed roush, got problems.....lol..

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Old Mar 12, 2013 | 04:51 PM
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Default installed roush, got problems.....lol..
Everything looks fine but the bypass valve nipple broke off..... And the boost gauge is marking 10 below 0 one vac side. Is that normal?
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Old Mar 12, 2013 | 04:52 PM
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Originally Posted by BRDMAN
Everything looks fine but the bypass valve nipple broke off..... And the boost gauge is marking 10 below 0 one vac side. Is that normal?
Marking or Making?
and when is it making 10inHg? At idle?
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Old Mar 12, 2013 | 05:04 PM
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Yea, its marking it at idle
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Old Mar 12, 2013 | 05:35 PM
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If the nipple broke you have a vacuum leak now.
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Old Mar 12, 2013 | 06:29 PM
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Ok, I cap'd the nipple on the blower and the one on the valve is open so I guess that's the desk then. I'm going to see if I can out one on there for the mean time. I was planning on tuning it tomorrow
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Old Mar 12, 2013 | 08:50 PM
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You can buy replacement bypass valves online , also check some of the older roush threads , some guys had them broke during shipping and found replacements.
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Old Mar 13, 2013 | 01:06 AM
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Please don't drive it or try to tune it until you have the bypass valve working and the vacuum leak fixed.....
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Old Mar 13, 2013 | 12:33 PM
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Originally Posted by AKlowriderZ71
Please don't drive it or try to tune it until you have the bypass valve working and the vacuum leak fixed.....
Yea i agree.. gonna waste alot of time if you try to tune it...


You should be making vacuum at idle.. if not then you have a problem!
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Old Mar 13, 2013 | 03:39 PM
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I had to buy a new one for my Roush S/C......got it here

MagnaCharger Air By-Pass Actuator [MAG-ACTUATOR-112] - $54.00 : SuperchargersOnline, Worlds largest Supercharger Resource. Get Serious About Power
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Old Mar 13, 2013 | 04:24 PM
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Ok, I fixed my valve for now. Got another one on order. My gauge is marking 20 vac at idle, is that good?
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