I, too, have the Hyperboost and have had it a while as - Saab Performance Bulletin Board - Saabnet.com
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I, too, have the Hyperboost and have had it a while as
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Posted by Talladega900 (more from Talladega900) on Tue, 10 Aug 2004 15:26:09 Share Post by Email
In Reply to: Adjusting the HYPERBOOST adjustable BOV..., gavin, Tue, 10 Aug 2004 01:17:11
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well. What I did was set the adjustment all the way out and then would make one turn, then drive it to see the difference; make another single turn, drive it, etc.

Fully adjusted (FULLY CLOSED) you do NOT want, as the pressure will never release and will potentially damage the turbo.

I think I wound up putting about 4 turns on the adjustment screw/nut. I'm boosting 18psi with an overboost hitting right at 20psi. The Hyperboost holds pressure and does not leak at all. I can tell you, with it adjusted all the way out (very little spring, but not fully open either) I was getting less then stock boost.

Hope that helps.

Jim Miller, VP, WASSAAB Club, the Washington DC Saab Club

'91 900 SE Turbo Convertible with Kumho Ecsta 712's on Aero wheels, No other mods

'93 900 Turbo Commemorative Edition Forge BPV, KCSaab adjustible springs, KCSaab SS Exhaust with separate wastegate, Konis, Zimmerman crossdrilled rotors, SS braided brake lines, Damien Schuco short-shift, solid motor mounts, SAS swaybars F&R, 205/45 ZR 16 Pirelli P-Zero Assymetrico's on SuperAero wheels

'97 900 SE Turbo Coupe Talladega Edtion: Saab Sport SS exhaust, Abbott Racing Motorsports lowering springs, Abbott racing ECU, SAS rear swaybar, HYPERBOOST BPV, Viggen Intercooler, Zimmerman Crossdrilled rotors, 205/50-16 P-Zero Nero Assymetrico on SuperAero wheels

'02 9-5 Aero Wagon No mods.

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