| [ http://www.twinturbo.net/net/viewmsg.aspx?forum=general&msg_id=2222553 ] I don't know how to make it into a link, so copy and paste. I have the same issue, and I notice a pressure drop when environment temperatures get hot; but happens especially when I drag race my Z. I have an RPS clutch/flywheel and I've changed out everything except the booster. Prior to the RPS, I had an ACT clutch and the pedal was extremely stiff. I'm thinking of doing the exact same thing Gordo 93 TT Daytona did with the cylinder pin.
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