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</o:shapelayout></xml><![endif]--></head><body lang=EN-US link="#0563C1" vlink="#954F72"><div class=WordSection1><p class=MsoNormal>I have 85 lbs. pressure on the intake valve with the valve closed and it sits at a height of 1.655 inches. At .400 lift, I have 190 lbs. of pressure. We only run to 6000 RPM with the gearing we have and the engine we have. The valve springs are double springs and the machine shop says they are all about the same, very consistent. What pressures would be recommended? The machine shop thinks these pressures are light for a 6000 RPM engine. Any advice will be appreciated. Thanks.<o:p></o:p></p><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal>Tim Murphy<o:p></o:p></p><p class=MsoNormal>1961 TR4 #317 BRG<o:p></o:p></p></div></body></html>