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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Who's Vincent/Hrd has the most power?
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<blockquote data-quote="johnmead" data-source="post: 44387" data-attributes="member: 776"><p>It is the only Ducati single sided swingarm that can be easily modified to put the drive on the right side. I had a machinist machine a 1/8 inch deep rectangle into the bottom of the swingarm directly below the stock shock/link attachment. He had a piece of 6061 that fit into the rectangle and I had it welded up. He then machined the slots for the shock and strut and machined for the special bolt and nut that attaches the shock and strut to the swingarm. After fitting it to the 999 frame he machined off the old attachments.</p><p></p><p>It is already registered for the street as a 1947 HRD. I checked with the club to see if anyone had the frame pieces for my engine and found out that no one did. So I welded up the Ducati frame number and stamped the frame with the corresponding Vincent frame number. Got a title from New Hampshire, over the internet, and Bob's your uncle. All I will have to do is get it inspected when finished.</p><p></p><p>The 44hp/cylinder numbers came from the software that Superflow provides with their flow benches. The engine guy has a SF600 which is for medium to large bore engines. He had previously done a pair of 90mm VW heads so he had an adapter that fit the Terry Prince heads.</p><p></p><p>How can I tell if I have the early or later 92mm topends? The pistons were made by CP in California and Terry said that they weighed less than stock pistons.</p><p></p><p>John Mead</p></blockquote><p></p>
[QUOTE="johnmead, post: 44387, member: 776"] It is the only Ducati single sided swingarm that can be easily modified to put the drive on the right side. I had a machinist machine a 1/8 inch deep rectangle into the bottom of the swingarm directly below the stock shock/link attachment. He had a piece of 6061 that fit into the rectangle and I had it welded up. He then machined the slots for the shock and strut and machined for the special bolt and nut that attaches the shock and strut to the swingarm. After fitting it to the 999 frame he machined off the old attachments. It is already registered for the street as a 1947 HRD. I checked with the club to see if anyone had the frame pieces for my engine and found out that no one did. So I welded up the Ducati frame number and stamped the frame with the corresponding Vincent frame number. Got a title from New Hampshire, over the internet, and Bob's your uncle. All I will have to do is get it inspected when finished. The 44hp/cylinder numbers came from the software that Superflow provides with their flow benches. The engine guy has a SF600 which is for medium to large bore engines. He had previously done a pair of 90mm VW heads so he had an adapter that fit the Terry Prince heads. How can I tell if I have the early or later 92mm topends? The pistons were made by CP in California and Terry said that they weighed less than stock pistons. John Mead [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Who's Vincent/Hrd has the most power?
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