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fredmeister fredmeister is offline
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Join Date: Oct 2002
Location: Baltimore, MD, USA
Posts: 2,208
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As another data point I set mine at 1.45 to 1.5mm. I have a 3.4 liter with 36mm ported heads and stock CIS with k27S turbo.
I make boost almost immediately and the car pulls hard all the way to 6000rpm and probably more. I typically shift about 6000-6200rpm and notice no drop off in power.

Fred
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1979 930 Turbo....3.4L, 7.5to1 comp, SC cams, B&B intercooler, Snow Perf water/meth injection, Rarlyl8 headers, Garret GTX turbo, 36mm ported intakes, Innovate Auxbox/LM-1, custom Manually Adjustable wastegate housing (0.8-1.1bar),--running 0.7bar max
---"When you're racing it's life! Anything else either before or after, is just waiting"
Old 10-13-2011, 03:54 PM
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