Date: Wed, 29 Sep 1999 01:06:35 GMT
From: "Lars" <dnopsamt>
Subject: Re: turboing without APC

All I can tell you is that multi electrode plugs don't work...there is still only one spark made per firing, and that's all there's to it:) johann wrote in message ... >I have recently been running my 900T16 with the APC box unplugged - I am >obviously only getting basic boost (1/2 way into the red at about .4 bar) >but the car seems to be much more responsive with less lag and pulls >strongly and smoothly from just just over 2000rpm. >Does anyone know why the APC system holds back at low boost as the basic >test procedure for the system as described in the Hynes manual suggests the >valve should be opperating at .5bar at 2000rpm. >I had previously retarded the boost to about .7bar via the P pot on the box >as at nearly 15 years and 185000 miles the gear box could do with some >sympathy (no terminal symptoms yet though). >Most of my driving is in central London and improved drivability at the >expense absolute power is a worthwhile trade off. >Here are some questions before I do more un-APC motoring; >How much boost can I safley run via just the actuator on UK 95ron petrol? >Does it make a difference if the pressure line to the actuator comes from >the compressor housing or from the manifold ? >There seem to be more of these multi electrode-plugs on the market - anyone >tried them in the T16 or am I still better off sticking to NGK BCP7EV ? > >Johann

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