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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Twin Weber 40s on a GL1200?
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<blockquote data-quote="RazMan" data-source="post: 226436" data-attributes="member: 6030"><p>Well she runs - sort of .....</p><p></p><p>I still have to sort out the carbs sync properly but at low revs she behaves quite well. Mid range is where the problem is - there seems to be a big black hole where all the power is supposed to be ...... if you open her up, ride it out and wait, full power kicks in and you wonder how it can run so well at low and high revs (or throttle ) Part of it is inevitably the terrible Randakk manifolds, also the mis-match in port sizes - 32mm / 28mm with a 'ledge' which must really screw up the gas flow.</p><p></p><p>As the rest of the bike is performing really well - surprisingly well for an old girl - I am tempted to persevere with these Weber clones and maybe do some cave man porting on the 1200's heads and manifolds - I have come this far.</p></blockquote><p></p>
[QUOTE="RazMan, post: 226436, member: 6030"] Well she runs - sort of ..... I still have to sort out the carbs sync properly but at low revs she behaves quite well. Mid range is where the problem is - there seems to be a big black hole where all the power is supposed to be ...... if you open her up, ride it out and wait, full power kicks in and you wonder how it can run so well at low and high revs (or throttle ) Part of it is inevitably the terrible Randakk manifolds, also the mis-match in port sizes - 32mm / 28mm with a 'ledge' which must really screw up the gas flow. As the rest of the bike is performing really well - surprisingly well for an old girl - I am tempted to persevere with these Weber clones and maybe do some cave man porting on the 1200's heads and manifolds - I have come this far. [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Twin Weber 40s on a GL1200?
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