If you’ve got Jack Ashcraft’s books, you know he’s no fan of the freewheel mechanism with V4 applications and I agree. Installing the lockout sleeve is the bare minimum you should do….
I agree, that is quite odd. To the best of my recollection, the freewheel lever only goes to the gearbox. So if there’s no connection to the engine, why the change in idle speed? So weird!I don't intend to use the free wheel but I am curious about the high idle revs when engaged. I had freewheel on my 1947 Packard and it was an interesting device but much more robust than the Saab I guess.