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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Dan's Solex type 32 PICB trial and review and dft comparison
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<blockquote data-quote="dan filipi" data-source="post: 146414" data-attributes="member: 54"><p>This is a 1 barrel clone with 32mm bore and 25 mm barrel choke, purchased new.</p><p></p><p>[GALLERY=media, 26234][/GALLERY]</p><p>More pics in my gallery <a href="https://classicgoldwings.com/forum/gallery/album.php?album_id=10088" target="_blank">gallery/album.php?album_id=10088</a></p><p></p><p>Why even consider a 1 barrel (or different carb) when the Weber 32/32 dft is reported to be "the best carb" and "good out of the box"?</p><p>Because the dft has an extremely rich idle circuit that is very difficult to lean up in my experience.</p><p>The 'real' idle mix screw had been removed from the original design when this carb was modified to meet EPA requirements for the engine it was going on. This includes 'Tom's' carb which I have tried also.</p><p>The dft is a great carb in all other aspects, I simply am not happy with it's rich idle that exaggerates a lopy-ness in the idle rpms and loads up the manifold.</p><p></p><p>This Solex is a neat little carb. I was able to get my 1200 engine running very good on it with the Cycle Innovations manifold where it was near impossible to get decent acceleration with the dft.</p><p></p><p>I really like the 'choke' design, which is not really a choke, rather a special 'enrichener' circuit.</p><p></p><p>Jets are accessible from the outside without opening the carb, except for the idle air bleed jet but 3 screws and the top is off to get at that.</p><p></p><p>Yesterdays ride about 60 miles I got 35 mpg with some stop and go traffic and hard head wind on the highway.</p><p>When coming to a stop, engine speed returns to idle good. I'm happy about that. DFT is often 'iffy' that it might and sometimes would die.</p><p></p><p>Acceleration is good and smooth, though there is a definite reduction from 2 barrel dft to 1 barrel but the 1 barrel is fully capable of running up 8000 rpm and beyond. </p><p>Low end torque 1500-2000 rpm seems smoother with less engine chugging/lugging.</p><p></p><p>Though not perfect, I like this carb and impressed that it does so good on the CI manifold, of which I have added sleeves into to reduce the runner inside diameter.</p><p>Next I'll be putting my runners with the type 4 plenum on to see how that does.</p><p>I'm hopeful I can get a near perfect idle with this combination.</p><p></p><p>If anyone else has experience with this carb I'd like to hear about it.</p></blockquote><p></p>
[QUOTE="dan filipi, post: 146414, member: 54"] This is a 1 barrel clone with 32mm bore and 25 mm barrel choke, purchased new. [GALLERY=media, 26234][/GALLERY] More pics in my gallery [url=https://classicgoldwings.com/forum/gallery/album.php?album_id=10088]gallery/album.php?album_id=10088[/url] Why even consider a 1 barrel (or different carb) when the Weber 32/32 dft is reported to be "the best carb" and "good out of the box"? Because the dft has an extremely rich idle circuit that is very difficult to lean up in my experience. The 'real' idle mix screw had been removed from the original design when this carb was modified to meet EPA requirements for the engine it was going on. This includes 'Tom's' carb which I have tried also. The dft is a great carb in all other aspects, I simply am not happy with it's rich idle that exaggerates a lopy-ness in the idle rpms and loads up the manifold. This Solex is a neat little carb. I was able to get my 1200 engine running very good on it with the Cycle Innovations manifold where it was near impossible to get decent acceleration with the dft. I really like the 'choke' design, which is not really a choke, rather a special 'enrichener' circuit. Jets are accessible from the outside without opening the carb, except for the idle air bleed jet but 3 screws and the top is off to get at that. Yesterdays ride about 60 miles I got 35 mpg with some stop and go traffic and hard head wind on the highway. When coming to a stop, engine speed returns to idle good. I'm happy about that. DFT is often 'iffy' that it might and sometimes would die. Acceleration is good and smooth, though there is a definite reduction from 2 barrel dft to 1 barrel but the 1 barrel is fully capable of running up 8000 rpm and beyond. Low end torque 1500-2000 rpm seems smoother with less engine chugging/lugging. Though not perfect, I like this carb and impressed that it does so good on the CI manifold, of which I have added sleeves into to reduce the runner inside diameter. Next I'll be putting my runners with the type 4 plenum on to see how that does. I'm hopeful I can get a near perfect idle with this combination. If anyone else has experience with this carb I'd like to hear about it. [/QUOTE]
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Dan's Solex type 32 PICB trial and review and dft comparison
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