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Old 07-10-2007, 10:15 AM   #1
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blow off valve on a SC?

i told my friend who is a dsm lover(eclipse, talon, laser) that im supercharging my focus, and i said the only bad thing is that i love the sound of a blow off valve from a turbo car. and he seems to think i can put one on my car with the supercharger. i didnt think it was possible? what do you guys think?


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Old 07-10-2007, 10:23 AM   #2
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I've seen them on Procharger setups before, so I assume it would work on any blow though centrifical supercharger setup
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Old 07-10-2007, 10:30 AM   #3
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The Procharger does indeed have a blowoff / Recirc valve.. (blow off if you don't hook up the recirc)...

And it IS SAAAAWEEEEET sounding.. b/c you also have that lovely whine...
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Old 07-10-2007, 10:34 AM   #4
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U planning to have Powerworks...so NO blow off for you, but trust me, you will love the Powerworks sound even more...;-)


Added: Speed dou you have any sound clip of your car ? because mine is quiet under the boost ...at least I think it is ;-) Can hear it only at iddle ...
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Old 07-10-2007, 10:43 AM   #5
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nothing like the sound of a whip cracking when you shift though
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Old 07-10-2007, 10:46 AM   #6
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Quote:
Originally Posted by jrpasmo View Post
U planning to have Powerworks...so NO blow off for you, but trust me, you will love the Powerworks sound even more...;-)


Added: Speed dou you have any sound clip of your car ? because mine is quiet under the boost ...at least I think it is ;-) Can hear it only at iddle ...
I don't have any sound clips.. but if you remove the recirc line off of the valve, it makes it so much louder. At speed, the car sounds like a jet engine with the whistle / whine...
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Old 07-10-2007, 11:54 AM   #7
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Quote:
Originally Posted by ohiozx3 View Post
i told my friend who is a dsm lover(eclipse, talon, laser) that im supercharging my focus, and i said the only bad thing is that i love the sound of a blow off valve from a turbo car. and he seems to think i can put one on my car with the supercharger. i didnt think it was possible? what do you guys think?
Im running a bosch BOV on my Procharger kit... no resurc line... its loud, especially aimed 5" off the ground
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Old 07-11-2007, 12:19 AM   #8
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As others have said, you will be happy with the noise the PW makes under acceleration. Its nice, plus who cares about sound, you"ll be going fast! LOL
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Old 07-11-2007, 10:43 AM   #9
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Quote:
Originally Posted by itbparada View Post
Im running a bosch BOV on my Procharger kit... no resurc line... its loud, especially aimed 5" off the ground
whats this "resurc line"? i'm assuming is has something to do with the pressure in the lines when the throttle is shut. so do you un-hook it and then intall your BOV like you would on a turbo?
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Old 07-11-2007, 10:51 AM   #10
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^^^^ This is what u have on stock Procharger :
http://focus.c-f-m.com/index.asp?Pag...OD&ProdID=1109
well...one end of that by-pass valve is connected into your piping and second is going into hose (resurc line) that has other end connected BEFORE blower so when u are in vacuum (cruising)..this valve is opened and some air is going back to blower...when you are under boost it's closed...when u under boost and u shut your throttle it will oben and release that pressure back to blower so that pressure wave it's not hitting SC (it's the same idea as with turbo)...he said he didn't connect that hose so that by-pass valve is releasing pressure into air...and probably creating some kind of "psssssss" ;-))
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