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General Chat (Vincent Related)
Irving Vincent Four Valve Engine
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<blockquote data-quote="Big Sid" data-source="post: 40874" data-attributes="member: 2781"><p>Ken Horner was close friend with Irving who shared his ideas of how he would have developed the Vincent motor had they stayed in production with Phil doing the designing . Phil had already drawn up the 4 valve head much earlier , I have a drawing of it </p><p> myself . The main change Horner made was to add roller tips to the rocker arms . It's certainly acceptable as a true Vincent knowing Irving's </p><p> envolvement on a design and conceptual level . </p><p> Three capacities were made , 1,000 , 1300 and 1600 ccs . All were two valve as original , the 1,300 motor fitting the Aussie class </p><p> they raced in at home . They won hands down the Daytona BOT event with the Two valve 1,600 cc motor leading from the fall of the flag , finishing with a huge lead of 9 seconds . No one could touch them . Their huge torque takes no prisoners . Sid . </p><p></p><p></p><p>Sent from my iPad using Tapatalk</p></blockquote><p></p>
[QUOTE="Big Sid, post: 40874, member: 2781"] Ken Horner was close friend with Irving who shared his ideas of how he would have developed the Vincent motor had they stayed in production with Phil doing the designing . Phil had already drawn up the 4 valve head much earlier , I have a drawing of it myself . The main change Horner made was to add roller tips to the rocker arms . It's certainly acceptable as a true Vincent knowing Irving's envolvement on a design and conceptual level . Three capacities were made , 1,000 , 1300 and 1600 ccs . All were two valve as original , the 1,300 motor fitting the Aussie class they raced in at home . They won hands down the Daytona BOT event with the Two valve 1,600 cc motor leading from the fall of the flag , finishing with a huge lead of 9 seconds . No one could touch them . Their huge torque takes no prisoners . Sid . Sent from my iPad using Tapatalk [/QUOTE]
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General Chat (Vincent Related)
Irving Vincent Four Valve Engine
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