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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Another 34 Pic 3 Build!
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<blockquote data-quote="fivestring" data-source="post: 178552" data-attributes="member: 4869"><p>I guess I need to get some tiny bits. What I've found so far on these 34 pict 3 carbs is that the jet sizes are a true metric measurements so that will help. I am not afraid of soldering the jet and drilling, actually sounds fun and these carbs are SO easy to change out jets right on the motor, nothing like Mikunis and Keihins.</p><p></p><p>I just ran out to the shop before getting out the door to work and pulled the main jet to see what size was in there. It's a big mystery. I looked all over that jet under a lighted magnifier and there isn't a single stamp on it. </p><p></p><p>So I compared to my jet collection and found a Keihin 126 is very close to the same size. And I am sure my Keihins will fit right in there for swapping out. Same OD and same thread. And I have them in sizes from 110 to 144. The numbering scheme may not correspond with Solex/Empi/etc but it doesn't really matter. It will be a seat-of-the-pants dyno when it comes to choosing a main jet.</p><p></p><p>But I'm not ruling out what DKL said last. He got his identical setup tuned in without the jet changes apparently. I'm shooting for that scenario first. It's just interesting to look into the possibilities of what tweaking can be done. And like his intake experiments, you don't know if you have the best arrangements and settings until you try several different ones, especially when marrying a VW carb to a Wing. There's nothing in the Haynes manual on this one.</p></blockquote><p></p>
[QUOTE="fivestring, post: 178552, member: 4869"] I guess I need to get some tiny bits. What I've found so far on these 34 pict 3 carbs is that the jet sizes are a true metric measurements so that will help. I am not afraid of soldering the jet and drilling, actually sounds fun and these carbs are SO easy to change out jets right on the motor, nothing like Mikunis and Keihins. I just ran out to the shop before getting out the door to work and pulled the main jet to see what size was in there. It's a big mystery. I looked all over that jet under a lighted magnifier and there isn't a single stamp on it. So I compared to my jet collection and found a Keihin 126 is very close to the same size. And I am sure my Keihins will fit right in there for swapping out. Same OD and same thread. And I have them in sizes from 110 to 144. The numbering scheme may not correspond with Solex/Empi/etc but it doesn't really matter. It will be a seat-of-the-pants dyno when it comes to choosing a main jet. But I'm not ruling out what DKL said last. He got his identical setup tuned in without the jet changes apparently. I'm shooting for that scenario first. It's just interesting to look into the possibilities of what tweaking can be done. And like his intake experiments, you don't know if you have the best arrangements and settings until you try several different ones, especially when marrying a VW carb to a Wing. There's nothing in the Haynes manual on this one. [/QUOTE]
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Classic Goldwing Technical Forums
Engine & Fuel System Modifications
Another 34 Pic 3 Build!
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