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mark houghton mark houghton is offline
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Join Date: Jul 2008
Location: Central Washington State
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Originally Posted by copbait73 View Post
This is a naturally aspirated motor, the WUR only senses vac. Your 930 WUR has a pressure (Boost) one side vac the other (off boost). Everything is cool with N.A. (vac only) WURs up to the point manifold pressure changes to positive.
Sorry, still confused. The original poster JCC911 was talking about a boosted motor...that is not nornally aspirated in my book. Plus, 930 WUR's have only a single hose connected to them. All it does is sense the boost signal to enrichen. Engine vacuum has no impact on the WUR to adjust fueling as far as I know...but then I don't know all is to be known!

Again, my narrow minded 930 view, not knowing squat about a NA 911.
Mark H. 1987 930, GP White, Wevo shifter, Borla exhaust, stock everything else. The result of a massive Pelicanite good will fire recovery effort. Truely an open book, ready for the slippery slopes to modification.
Old 09-04-2011, 07:08 PM
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