They are metric and i made such from allen screws with boring hole throught it. I use under screws such spacers, what have rubber in other side, that there will be no leaks, Simply and function, like trains toilet....
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| Intake Manifold Barbed fittings http://ducatipaso.org/forum/viewtopic.php?f=3&t=2796 |
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| Author: | Shelboss [ Fri Oct 10, 2008 2:15 am ] |
| Post subject: | Intake Manifold Barbed fittings |
Does anyone know where I can get some barbed fittings to replace the screws in the intake manifolds for hooking up gauges? I believe they are metric barbed fittings, which are not easy to find in the US. |
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| Author: | Finnpaso [ Fri Oct 10, 2008 4:13 am ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
They are metric and i made such from allen screws with boring hole throught it. I use under screws such spacers, what have rubber in other side, that there will be no leaks, Simply and function, like trains toilet....
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| Author: | Laddie907 [ Fri Oct 10, 2008 5:25 am ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
yes, this was a pain in the ass... similar to Finnpaso - I drilled out some 5mm (from memory??) metric screws and fitted to the vacuum lines. the problem becomes screwing the f$%^&ers in and getting them firm. they are also hard to crimp properly in the vaccy tube [ended up using glue]. options: drill a 25mm long screw and put a nut on it (and snug the nut up) - this will test your skills with a hand drill. a Ducati shop made some neat ones out of bundy tube (brake line steel tube); they had little "snugging" collars on them; the tubes were long "L" shape (like an allen key) and could be tightened lightly but sufficiently...the rubber hoses slipped over the tube ends after fitting. I have been considering making some of the same... |
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| Author: | Shelboss [ Fri Oct 10, 2008 3:02 pm ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
So it's not just me! I made a set from the threaded portion of a metric screw. The hole was done on a drill press, so not too badly off center. I don't like the fit without a shoulder so I put the screws back when done tuning. I will see if anyone makes these, or oder some from you Laddie if you want to ramp up production 
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| Author: | ducbertus [ Fri Oct 10, 2008 11:25 pm ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
one day soon I have to set my idle running as well and check the balance between front and rear cilinder. this means I have to make screws to connect the lines. As I have lathe I can make some more for people who are interested. didn't look for dimensions so far, but I think to start with 10mm hexagon stainless steel bar. thread the 5mm, add a bonded seal and a hose connection on the other side. I already bought already some gauges to measure the vacuum. So, I'll finish the set. ducbertus |
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| Author: | samandkimberly [ Sat Oct 11, 2008 2:27 am ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
| Author: | samandkimberly [ Sat Oct 11, 2008 2:34 am ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
Wow - I didn't read through the whole thread and see what a PITA this is for everyone! Let me try one on my bike next week just to be sure (though I already am sure) then I'll send to anyone for the cost of shipping. The plated ones have a pretty good zinc plating on them and cost me about a buck. If anyone wants the premium SS ones I have to order them in bags of 10. Incidentally - if you can find a 10-32 threaded fitting it is interchangeable with an M5: the threads are close enough and the engagement is so short you can barely tell the difference. |
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| Author: | Shelboss [ Sat Oct 11, 2008 3:47 am ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
Hi Sam, they are 5 mm x .8 screw thread, the barbed end depends on the gauge being hooked up. My Mercury tubes are 3/16". Let me know when you have some and we can meet up, thanks Art |
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| Author: | samandkimberly [ Thu Oct 16, 2008 6:27 pm ] |
| Post subject: | Re: Intake Manifold Barbed fittings |
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