After some checking and a chat with the company that supplied the Tial wastegate and BOV on Saturday, it was suspected the BOV was faulty and dumping boost which was causing the sudden lost of power (dumping metered air) which was then causing the over rich reading.
New replacement BOV installed and now all is OK.
Boost gauge now fully installed and working OK.
Now driving the car the AFR results are :
Warm idle - 13
Cruise -14
General driving, not hard on the throttle AFR is from 13 to high 14's (sometime see 15 for a brief moment).
When you put your foot down it gradually rise's to very high 14's and then as the boost rolls on it drops to 13, I've boosted to .3 bar so far and the AFR stays at 13.
Don't think AFR is going to drop any further as boost rise's.
Still don't what to drive much harder until I get the MSD boost retard installed and try to get better fuelling.
I've found a company in the UK that are well known for the work on Bosch injection systems and work on WUR's.
I've send them and email regarding rebuilding my 930 WUR and the possibility of making it adjustable.
Home Page - Ken Mill Injection Ltd
Otherwise the car is running great, possibly even better than before the turbo install!
I can really start to feel the turbo come in and can't wait to be able to give it the full beans 
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1980 SC Flatnose, Euro 3.0, LW Flywheel, 993 Cams, Port & Polish Heads, RS Cut Valves, Magnacor Leads, Boxster Brakes, WEVO Mounts, TRG Roll Bars, Rollcage, RSR rear fenders, WEVO Shifter, K27 7200 Turbo, OBX Headers, Tial Wastegate, Omex 710 ECU, 3.2 Intake, Full Bay Intercooler.....400HP
Last edited by gavinc69; 04-21-2013 at 07:30 AM..
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