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The Andial system works in conjuction w/ the control pressure. It is another frequency valve and is plumbed inline with the lambda valve. The problem I understand w/ it was it used a hobbs pressure switch and was sort of on/off at a certain boost level, over 1 bar I believe.
It wasn't a terrible idea if refined a little. I don't see why one couldn't power the lambda valve through an RPM switch so it only kicked in at high boost/higher rpm like the leask setup.
For that matter, you could use a combination of the miller micro unit and the andial setup, (add another frequency valve) and instead of controlling a 7th injector, you could control another lambda valve, to lower the control pressure when needed.
I think "911st?" mentions a system like this on his old car w/ great results. I'm not sure of the adjusting parameters of the micro fueler, but a modern AIC(additional injector controller) from one of the rice tuner houses probably has all the functions required to make a reliable enrichment system that was relavent to boost and rpm, and possible provide the acceleration enrichment to improve throttle response...
JBL930, who makes that unit pictured? and what would you take for it?
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Professional Overcomplicator
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