| Single Carb Conversions for 4 Cylinder Goldwings |
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| Posted: Sun Sep 27th, 2009 08:01 pm | 201st Post |
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flatfour, when my daughter asked where to jet the 32/36 she rebuilt for me: Primary - Secondary - Idle 1 - Idle 2 - Emulsion 135 150 55 55 F-6 ...is what I suggested. Also using the Weber thick (12mm) spacer and gaskets. I doubt it will ever be perfect. It loads a little on long idles. I just don't like the plenum and its 8 boots. We rattle also and I attribute that to my mess of an intake trying to match the carburetor to the combustion chamber. Changes are coming. I forget who has this set-up below (somebody here), but I like the runner solution at the head. I posted a simple Mikuni base gasket chart somewhere in a effort to stimulate response, but no takers. I wonder what this fella is using at the head? I like it. Really clean looking. Attachment: IMG_2435.jpg (Downloaded 514 times) Last edited on Sun Sep 27th, 2009 08:03 pm by CaptainMidnight85 ____________________ "They're gonna make it look like suicide." Hunter S. Thompson, one day before his death. |
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| Posted: Sun Sep 27th, 2009 09:03 pm | 202nd Post |
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CapMid, That's Silicom Sams' Bike with a oil-heated plenum running a 32/36 DGV Weber with jet settings as follows; primary slow 65, secondary slow 50, primary main jet 137 but would run better with a 138, secondary main jet 140, his airs are 170 primary, 165 secondary. Raymond a very good friend of mine put this bike together, we consulted each other during the build. He said the spark plugs burned a grayish with the 137 main but 138 would be the right main jet. Raymond also got his jets from FAST ROAD CARS in ENGLAND but still had to find the 138. Hope this helps!! Also LD's drawing is wrong if I may correct you as you know the heads are offset so keeping the same outward drawing, you need to angle the center tubing from the center of each u type tube. Also did you get your PM, I have what you are asking for in Pictures. Hope all this helps, Bob PS Those are the same jets sizes I'm going to use if I every get to it!!
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| Posted: Sun Sep 27th, 2009 09:30 pm | 203rd Post |
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CaptainMidnight85 wrote:William_86 wrote:everyone has to make their own conclusion, im not a carb expert nor a mechanic, but i trust on what honda engineers put on the bikes they created, they just didn't installed a complicated rack of carbs just to make the bike look interesting and believe a hard research was made. Honda do not offer retrograde fittings for their past models and therefore it up to us to modify our existing systems to best suit our needs. Honda, when they create a model do update the design and some things can be retro fitted but more often than not they improve the design and we are the guinea pigs. Honda when they introduce a new model, they create a design team and they expand the particular sequence or series of models. Once that model has been displayed and marketed and is on showroom floor or out the door. That team is disbanded and then for the next model year they create another band of merry men for the next series. I suppose in that way they can introduce a new machine with new concept, fresh thinking and design but the first model has little in connection with the second other than sharing a couple of light bulbs and having two wheels and an engine! Last edited on Sun Sep 27th, 2009 09:31 pm by Wingle ____________________ <-----------Zoe and Duff Doing nothing is very hard to do ... you never know when you're finished. - Leslie Nielsen RIP Metallic Blue Green is the new Black! |
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| Posted: Sun Sep 27th, 2009 10:40 pm | 204th Post |
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Wingle don't forget after 10 yrs, it's all up to us  !!! So What is the conclusion to this TOPIC !!! I really need t know, do I keep what I have or go back to O E M   
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| Posted: Sun Sep 27th, 2009 11:10 pm | 205th Post |
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I guessed it fairly close then. Culled info from many sources/sites. I did mail you, though I'll try it again.... I have many different manifold designs that I've drawn-up, I'll find the relevant one. I was going by depth, shadow and common design practice. We like the drawing board before spending the dollars on trial and error. Paper is cheaper in the beginning. Here is Katmols manifold over at NGW. Silicone Sams runner ends would work quite well on his I believe. Looks nice huh? He's having Idle problems. We'll try and get him here. Attachment: GL1000carb-1.jpg (Downloaded 540 times) Last edited on Sun Sep 27th, 2009 11:11 pm by CaptainMidnight85 ____________________ "They're gonna make it look like suicide." Hunter S. Thompson, one day before his death. |
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| Posted: Sun Sep 27th, 2009 11:10 pm | 206th Post |
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I'd keep your present set up, perhaps in a few years your OEM carbs will be worth more and from the proceeds of selling them you will be able to be able to buy an 1800.  Last edited on Sun Sep 27th, 2009 11:12 pm by Wingle ____________________ <-----------Zoe and Duff Doing nothing is very hard to do ... you never know when you're finished. - Leslie Nielsen RIP Metallic Blue Green is the new Black! |
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| Posted: Mon Sep 28th, 2009 12:25 am | 207th Post |
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CapMid, I sent another PM just in case!! Also I do love his set up but That's funny ,.....I was just over at the NGW site and posted the same settings,COOL!!! I was just wondering if the spacers are a little too high giving the problems he's having !! Correct me if I'm wrong but if the riser is higher he will get a better top end, put on a lower one and he will get a better low end and if I'm not speaking out of turn here, I believe his idle problem is caused (maybe) by the higher riser!! WE need to know (in depth)how he is tuning his carb. Also idle is best around 1000 to 1100rpm and I also for got to mention that the plugs should be set at 35ths. NGK's and every thing should be in tip top shape or as close to, like plug wires and valves set proper. You would even keep your bike in proper maintenance using OEM carbs and I find you should even more so when running these conversions,.... another question comes to mind is what year bike he has ?? A lot to consider but needed  Bob
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| Posted: Mon Sep 28th, 2009 12:35 am | 208th Post |
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Thanks, Now I can sleep at night
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| Posted: Mon Sep 28th, 2009 01:26 am | 209th Post |
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Yes I agree.keep your oem carbs by all means.Change your oil regularly,keep new rubber on it and polish it to a mirrored finish. Then when your carbs plug up cause you had a lapse of laziness when parking your bike for the winter.....and you can't second mortgage the house to get a carb rebuild? Call me.I'll be around shortly to buy your bike at a steep discount.I will even install my single carb at your house in a few minutes and you can watch me ride off into the sunset before the ink dries on the pink slip.LOL Honestly,I sure cant see why there is opposition to this conversion unless you have a financial interest in selling carb rebuilds and carb parts. I have many nice stockers carbs here in my garage.Hoarding them for later. Stockers are great but Weber carbs are a super substitute.Plentiful and ultra cheap to rebuild. I really meant what I said about keeping your bikes looking good.Its hard to pass up a good deal.Thanks to some lazy guy not taking care of his fuel system im riding his dream machine that he had to let go cause he couldnt spring for a carb rebuild. And he had no idea where the carbs were anyway.He would more than likely still be riding it if he had used a reliable carburetor even with the fuel system neglect. One slip up and your done if you cant work on your bike.Some mechanic will be frothing at the mouth, buying Hawaiin shirts and humming Don Ho songs as you fork out for his tropical vacation. Flatfour P.S. Bet you wondered why you heard ukeleles on the jukebox when you were served up your carb rebuild bill. Last edited on Mon Sep 28th, 2009 03:21 am by flatfour |
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| Posted: Mon Sep 28th, 2009 02:21 am | 210th Post |
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Flat4, on a more serious note I wonder if the Moderators would / could give us our own thread area!! Title it (Single Carb Conversions) !!! There we can exchange our views in the area of research and development and be of equal mind!! Bob
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| Posted: Mon Sep 28th, 2009 02:25 am | 211th Post |
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badorderbob2 wrote: I wonder if the Moderators would / could give us our own thread area I think that is a wonderful idea!! Great thinking. There certainly seems to be a great deal of interest here and a great deal of knowledge. Its got my vote!!! Tim.
____________________ **** Proud new father of a 91 1500 Aspencade **** 1) Experience is something you don't get until after you need it. 2) A closed mouth gathers no foot. 3) You aren't learning much when your lips are moving. 4) IF YOU DON'T HAVE TIME TO DO IT RIGHT, WHEN WILL YOU HAVE TIME TO DO IT OVER?? |
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| Posted: Mon Sep 28th, 2009 02:33 am | 212th Post |
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You've got it now, with this thread. Moderate the thread amongst yourselves, PM a mod if something goes off color. when it reaches 1,800,123 posts, it will be history
____________________ ~John |
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| Posted: Mon Sep 28th, 2009 02:38 am | 213th Post |
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PLEASEEEEEEEEEEEEEEEEEEEMaybe if we're Nice
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| Posted: Mon Sep 28th, 2009 02:43 am | 214th Post |
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Gee John I didn't mean to make you upset Sorry!!!
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| Posted: Mon Sep 28th, 2009 02:45 am | 215th Post |
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Oh, I am not upset.... I even carried your thoughts to the management committee. See, I try too. 
____________________ ~John |
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| Posted: Mon Sep 28th, 2009 02:47 am | 216th Post |
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Thanks
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| Posted: Mon Sep 28th, 2009 02:49 am | 217th Post |
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I have a 60hp crysler outboard . it sat out behind the barn uncovered indirect sunshine for 10yrs +. This spring I pulled the boat out and drained the 1/2 full tank and added fresh fuel. New plugs. It toke a bit of primming into the carb but it started. t runs geat now. Ive owned his boat for 20 ys dont even know if it has a fuel filter. I realize it is a 2 stroke but the carbs kick but wish they where on my gl1000. Oh and i tore down my honda carbs cleaned them out and repaired a boken plemun o ring synked them this morning and they kick a$$ . If they stay like this I will be happy but I'm not holding my breath. Wilf
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| Posted: Mon Sep 28th, 2009 02:51 am | 218th Post |
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I originally asked him, "why so much spacer?" He mentioned it was easier to install. I asked for his carb jetting. Spacer (that's a biggun'), runner length, jetting... I'm looking at the runner lengths here also. Really nice fab work. I'm assuming it's all aluminum.
____________________ "They're gonna make it look like suicide." Hunter S. Thompson, one day before his death. |
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| Posted: Mon Sep 28th, 2009 03:08 am | 219th Post |
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Gotta love them needle-jet two-strokes. Their like a Timex. Always wanted a GT-750, but that's a whole 'nother issue. I'm not certain how easy it would be to add another section for posting though. I think it's fine as-is myself. The site is great. Those seeking the info will find it easy enough. Some other sites are not as easily maneuvered.
____________________ "They're gonna make it look like suicide." Hunter S. Thompson, one day before his death. |
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| Posted: Mon Sep 28th, 2009 04:41 am | 220th Post |
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Yes,great idea Bob.It will be like our own tree house.No girls allowed. Okay okay, girls will be allowed.I was really kidding about that. Flatfour
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