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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Cycle Innovations manifold with carb adaptor
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<blockquote data-quote="dan filipi" data-source="post: 102071" data-attributes="member: 54"><p>Run/Ride report.</p><p>This is with the 2 barrel installed:</p><p></p><p>Idle speed screw needed about 1/2 turn faster to idle at 950.</p><p></p><p>Idle is up and down on tach, not steady.</p><p></p><p>Acceleration in garage is laggy.</p><p></p><p>Ride:</p><p></p><p>Bogs bad on takeoff, way too lean.</p><p></p><p>Coming to a stop it will die unless throttle is "nursed" to keep it running for 5 seconds or so then stabilizes.</p><p></p><p>Acceleration just isn't there, too lean.</p><p></p><p>Wide open throttle is about the same as with my 1" runners.</p><p></p><p>My opinion:</p><p></p><p>Maybe if a Solex (one barrel) is run with this manifold it would be ok.</p><p>The Solex is jetted richer from my understandings.</p><p></p><p>This 2 barrel carb on my 1" custom runners and VW manifold needs a slight increase in primary jetting.</p><p>My bet is this CI manifold would need an additional step up in jetting over the 1".</p><p>That would most likely drop MPG well below 40.</p><p></p><p>I'm uncertain what has caused this drop in performance.</p><p>It could be the 1-3/8" runners, could be the large plenum.</p><p>Either way, I'm not going to dink around with it, going back to my 1" and work on the jetting.</p></blockquote><p></p>
[QUOTE="dan filipi, post: 102071, member: 54"] Run/Ride report. This is with the 2 barrel installed: Idle speed screw needed about 1/2 turn faster to idle at 950. Idle is up and down on tach, not steady. Acceleration in garage is laggy. Ride: Bogs bad on takeoff, way too lean. Coming to a stop it will die unless throttle is "nursed" to keep it running for 5 seconds or so then stabilizes. Acceleration just isn't there, too lean. Wide open throttle is about the same as with my 1" runners. My opinion: Maybe if a Solex (one barrel) is run with this manifold it would be ok. The Solex is jetted richer from my understandings. This 2 barrel carb on my 1" custom runners and VW manifold needs a slight increase in primary jetting. My bet is this CI manifold would need an additional step up in jetting over the 1". That would most likely drop MPG well below 40. I'm uncertain what has caused this drop in performance. It could be the 1-3/8" runners, could be the large plenum. Either way, I'm not going to dink around with it, going back to my 1" and work on the jetting. [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Cycle Innovations manifold with carb adaptor
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