80's Audi ALS system details
I came over this pic on mt.net of the old Audi S1 E2 Quattro AntiLagSystem.
Lots of compressed air gets recirculated at throttle liftoff into the manifold runners and mixed with lots of fuel to keep spinning the turbo while there is no exhaust driving the turbine from the cylinders. Kind of like a super sized EGR valve which gets air from the other side of the throttle plate. I wonder why this is not used more in drifting and autox type events. There are lots of laggy and peaky turbo cars out there that would benefit from some form of ALS. And it will get you laid as well..
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