I've seen pictures of a few triple-carb equipped 164s and have been looking for an appropriate manifold in a number of ways, including writing letters to marinas that deal in Volvo engines. To the best of my knowledge the manifold used is the same as furnished on the AQ165 marine engine, which was soon replaced by the AQ170. The AQ170 used downdraft Solex carbs. I had an AQ170 manifold and downdraft carbs for a while but found it would not clear the E/F model dual exaust manifolds so I sold it on ebay for about what I had in it. We went OTL before the snow and ice were supposed to set in today and when I got back there was a message on my phone from Wilbert Wall at the French Creek Marina in western New York, near the Thousand Islands. He said that he had the manifold and asked if I was interested and if so call him. So I called him and asked about it. Sounded like the right manifold all right. I asked about condition and he said it was new. So I asked about the price and he said the last known price on the manifold was $865. I told him that I was not sure the car I wanted to put it on was worth much more than that. From what he said, he might come down a bit on the price but I would not expect it to be much less than $800. I thanked him profusely for his effort and for calling me. If anyone is interested I can furnish his contact info. I'm sorely tempted to take a couple B18/20 aluminum manifolds and a B30E/F FI intake manifold and cobble something together.
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George Downs, Bartlesville, Heart of the USA!