Volvo RWD 200 Forum

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Anyone have a vacuum schematic for the b27f? 200 1977

Having a hang of a time finding one that actually matches my setup for some reason. Appearantly '77 was an odd year. Especially interested in "vacuum amplifier" info, got three ports inboard, two out, one of them unused and open; all the pics I've found show 4 total on the funky biscuit. No airpump, if that makes a difference. No lambda sonde either.
It seems to be functional as is, but I've seen conflicting info; anybody have the real dirt?

Thanks much,
Rob


'77 264 189k and still eating 4 bangers for lunch / '84 diesel 265 storage shed / the two black sheep...







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