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Daniel Sheard · 28th February 2007, 14:39

These motors open and close flap valves inside the inlet manifold. They operate at certain rev ranges to optimise power and fuel economy. Supposedly.

28th February 2007, 14:39	#9
Daniel Sheard Regular poster 75 Join Date: Dec 2006 Posts: 41 Thanks: 0 Thanked 0 Times in 0 Posts	These motors open and close flap valves inside the inlet manifold. They operate at certain rev ranges to optimise power and fuel economy. Supposedly.