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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Preferred non genuine frame/chassis for 1000cc engine
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<blockquote data-quote="Big Sid" data-source="post: 38933" data-attributes="member: 2781"><p>Sid again . Forgot the handsome rubber base turn signals also fitted . </p><p> On to the motor internals . From the top . The inlet ports are opened out to 32 mm and carry near straight manifolds and carbs of the same size . The exhausts are raised and widened also . The Specialloid racing pistons are re shaped to give an actual 10.06 to 1 comp. ratio . Factory Mk 2 cams . The two port openings from sump to timing chest are enlarged by a quarter inch to quicken pressure leaving the sump from beneath the descending pistons . the breather slot is dressed a bit and it's hose is taken back to the Norton oil tank , there it exits through the tanks vent . </p><p> An original Picador 2 start pump worm is employed . Also the steel idler is carried on a Picador steel base . </p><p> The cranks main shafts , both sides , are roller pinned to the wheels to eliminate movement in the flywheels and the Mills pins are replaces with harder steel . The crank pin is a caged roller type , German INA slim rollers in steel cages and the pin ends and nuts are tacked to the wheels . The con rods are blueprinted to be in all respects identical , all markings dressed off and lightly blasted . This assembly can easily sustain drag starts if you were nuts enough but not very classy this being a grand but </p><p> Very powerful road machine by design . Neal Videans ESA double spring holder is employed to better cushion the driveline , also his rubber topped chain tentioner blade and both the dyno gear and ign pinion are his plastic gears . These result in a near silent running motor , just a swish of oil above the muted rustle of gears etc . Really amazingly quiet in operation . It's clutch is a Videan type 3 as earlier mentioned . </p><p> Bill jean designed a high flow anti sump valve for it , it's piston is pencil sized rather than a small ball , also did one for our Meteor but this one is a different shape , inline with the feed hose . I must state clearly that Bill Jean built this motor but we discussed every </p><p>deviation from stock and pooled our thoughts on every detail . He is a Master at this quality of work . Also builds racing Ducati motors . Sid .</p></blockquote><p></p>
[QUOTE="Big Sid, post: 38933, member: 2781"] Sid again . Forgot the handsome rubber base turn signals also fitted . On to the motor internals . From the top . The inlet ports are opened out to 32 mm and carry near straight manifolds and carbs of the same size . The exhausts are raised and widened also . The Specialloid racing pistons are re shaped to give an actual 10.06 to 1 comp. ratio . Factory Mk 2 cams . The two port openings from sump to timing chest are enlarged by a quarter inch to quicken pressure leaving the sump from beneath the descending pistons . the breather slot is dressed a bit and it's hose is taken back to the Norton oil tank , there it exits through the tanks vent . An original Picador 2 start pump worm is employed . Also the steel idler is carried on a Picador steel base . The cranks main shafts , both sides , are roller pinned to the wheels to eliminate movement in the flywheels and the Mills pins are replaces with harder steel . The crank pin is a caged roller type , German INA slim rollers in steel cages and the pin ends and nuts are tacked to the wheels . The con rods are blueprinted to be in all respects identical , all markings dressed off and lightly blasted . This assembly can easily sustain drag starts if you were nuts enough but not very classy this being a grand but Very powerful road machine by design . Neal Videans ESA double spring holder is employed to better cushion the driveline , also his rubber topped chain tentioner blade and both the dyno gear and ign pinion are his plastic gears . These result in a near silent running motor , just a swish of oil above the muted rustle of gears etc . Really amazingly quiet in operation . It's clutch is a Videan type 3 as earlier mentioned . Bill jean designed a high flow anti sump valve for it , it's piston is pencil sized rather than a small ball , also did one for our Meteor but this one is a different shape , inline with the feed hose . I must state clearly that Bill Jean built this motor but we discussed every deviation from stock and pooled our thoughts on every detail . He is a Master at this quality of work . Also builds racing Ducati motors . Sid . [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Preferred non genuine frame/chassis for 1000cc engine
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