Amal Retentive
- Thread starter swooshdave
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L.A.B. said:
1.5in, dunno why I'm longer. I have a couple sets of manifolds so I'll see what they have.
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L.A.B. said:swooshdave said:
The adaptor rings appear to be screwed on the wrong way.
And those fuel pipe double banjos are more likely to have come from a Triumph twin.
I figured once I got the boots I would know if they are wrong. But you know I'd never shy away from asking. :mrgreen:
I have the correct fuel assembly, I'll look at the differences.
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L.A.B. said:
So, mystery solved. Someone had fit 5/16-18 studs instead of the 5/16 CEI ones. Hey, that sounded like a good idea, so I just trimmed the studs down to the correct length.
Then the fuel lines. 30 year old fuel lines might as well be made out of metal, I had to grind the plastic away carefully and pry out all the good parts. I prefer Tygon so that's what it will go back together with. Oh, and some filters.
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L.A.B. said:
I'll go look again.
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DogT said:
So I may have been wrong about the reason for the different studs. If you think about it someone wanted a longer manifold, hence the extra spacers you saw in one of the pictures. Now why someone would want that, I don't know.
I'll still leave the studs in there, I guess, unless it starts to bother me. I have extra studs that should work.
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swooshdave said:
It is usually done to reduce heat transfer between the head and carbs, as presumably, the spacers are made from some sort of insulating material?
Or the person who did it could have been trying to do some intake length tuning?
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L.A.B. said:
I'm trying to remember back to my Triumph days, they may be Triumph spacers (but did they ever use 32mm intakes?). But yeah, those were the two thoughts that crossed my mind. Wish I was working on the bike and not hypothesizing about stupid spacers. :mrgreen:
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Goodies from Amal
Always good to have spare Amal parts
Should be enough parts to do one carb. The pilot jets are "free" so I ordered them just incase I need to use them.
Laying out the parts.
Setting up the float level is a breeze with the new adjustable floats. I went for just below the rim with the needle valve closed. Make sure to press on the float tang and not the needle head when checking.
All done, more or less. I don't think the banjos will work but I thought I'd try them.
I don't think it's actually possible to install the manifolds and then the carbs. No way to tighten the inner nuts.
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I need to seal up the choke cable holes.
New cables are on the way from Old Britts.
Need to sort out the fuel lines.
Correct banjos.
Will pick up a throttle stop thingy today.
New cables are on the way from Old Britts.
Need to sort out the fuel lines.
Correct banjos.
Will pick up a throttle stop thingy today.
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Hi Dave
You can use these banjos if you want to have the "H" pattern fuel line but here is how I am setting up my bike with the later style and including redundancy with fuel filters as there is filters in petcocks, inline filters and new ones at the metal 180 degree banjos. I believe in the NASA approach to having a backup to the backup.
I also replaced the float bowl with the later style with the chrome plated bronze drain plugs just because I hate the plastic ones that break.
It makes it easy to change mains for plug chop checks without disassembly of float bowl and to drain fuel out at the end of the year riding. Saves the gaskets.
P.S. you can use an old cable adjuster and fill it with solder or epoxy and then plug your choke holes at the top of the Amals.
regards,
CNN
You can use these banjos if you want to have the "H" pattern fuel line but here is how I am setting up my bike with the later style and including redundancy with fuel filters as there is filters in petcocks, inline filters and new ones at the metal 180 degree banjos. I believe in the NASA approach to having a backup to the backup.
I also replaced the float bowl with the later style with the chrome plated bronze drain plugs just because I hate the plastic ones that break.It makes it easy to change mains for plug chop checks without disassembly of float bowl and to drain fuel out at the end of the year riding. Saves the gaskets.
P.S. you can use an old cable adjuster and fill it with solder or epoxy and then plug your choke holes at the top of the Amals.
regards,
CNN
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Yes it can bite your engine innards, but heck my first Combat ingested a thumb nail size piece of carb slide and ran great for 1000's miles like that till looked in to see all the peckering and Amal reason. I just nip up real hard as don't want to fight the loctite taking back off. Warning experience noted and properly pensive again.
Just don't seem to be any easy shortcuts, labor savers, to keep Commandos intact.
hobot
Just don't seem to be any easy shortcuts, labor savers, to keep Commandos intact.
hobot
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