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When I went short tube headers my boost came on too high also, put in an .8 spring in waste gate to solve problem think a .7 would be perfect. That will get you 1 bar at the gauge/in engine. Stock exhaust uses the waste gate better than short tube headers. Brian's system puts the waste gate in a serious position also.
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'87, Modified WUR, Billet valve, 965 downpipe, Kokeln intercooler, GHL headers, Garrett T04B K27 hybrid, Tial w/.8 bar, WEGO IV, RarlyL8 dual out, LSD
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