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JBL930 JBL930 is offline
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Join Date: May 2006
Location: UK
Posts: 1,172
You probably have a 1.0bar spring in the wastegate and that's as low as the boost will go. Stick a stock spring in there if you have an EBC.

The other issue is no doubt the over boost switch as stated
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87 930, 993 turbo engine, RS Tuning 520PS/515lbf-ft, Arrow Rods, ARP hardware, Solid lifters, G50-50, RS Flywheel, 890nm Sachs clutch, RSR coil overs all round, 993 C4 calipers front, 930 fronts on the rear, Ruf Speedlines.....
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Old 07-29-2011, 03:42 AM
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