| [ Total Views: 666 | Total Replies: 9 | Thread Id: 107960 ] |
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 blompod
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| posted on December 21st, 2014 at 11:34 AM |
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extremely black sootie exhaust pipes
Is this an indication that it is running far too rich? Shouldnt the pipes be a nice gray colour? Ive ordered the brass bushes for the throttle shaft
in the carbie because it does have an air leak there, once thats done should I lean out the air mixure screw? assuming that is been set rich to
compensate for the air leak. 
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 Bizarre
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| posted on December 21st, 2014 at 11:41 AM |
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Yes-ish. Black and sooty is indication of richness. But most of those rules come from leaded fuel days.
What colour are your plugs?
Any air leaks will stuff any chance of sensibility.
Get everything sorted and then start tuning from a base line.
Futue te ipsum!!!
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blompod
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| posted on December 22nd, 2014 at 07:04 PM |
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I havent checked my plugs but will do, also can solex carbies heal themselves? I had a wicked air leak around my throttle shaft but now shes running
sweet and the air leak seems to have disappeared according to the WD40 test. Should I bush it now or let sleeping dogs lie?
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HappyDaze
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| posted on December 22nd, 2014 at 07:21 PM |
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Amazing stuff, that WD40.
I'd rather wear a Beetle out by racing it than by polishing it!
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Newt
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| posted on December 22nd, 2014 at 08:22 PM |
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'Scuse my ignorance, but what does WD40 do?
Cheers
Newt
It is as it is - If you didnt enjoy today, you've missed the opportunity.
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Bizarre
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| posted on December 22nd, 2014 at 08:34 PM |
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Temporarily seals the leak and there will be a change in revs
Futue te ipsum!!!
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psimitar
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| posted on December 22nd, 2014 at 10:39 PM |
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| Quote: | Originally
posted by Bizarre
Temporarily seals the leak and there will be a change in revs
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If the leak is small enough that the WD40 film thickness seals the leak the WD40 test will work.
In the old days we used an oil can with some generic 20W50 in to do these tests. Now that used to plug most leaks very well indeed 
OP, if the throttle shaft is still sloppy in any direction then they need replacing. I'm afraid inorganic objects do not magically heal
madness is in the eye of the beholder  |
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blompod
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| posted on December 22nd, 2014 at 10:50 PM |
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Yeah the revs the other day would raise as soon as you sprayed the throttle shaft, I think carbie cleaner works better for finding a leak, more
flammable I guess. But yes Im sure it will come back again so I'll install the brass bushes when they arrive. Someone mentioned these bushes on
another thread, do they work well? They dont make the pedal heavy by tightening the shaft???
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Bizarre
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| posted on December 23rd, 2014 at 08:58 AM |
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| Quote: | Originally
posted by blompod
They dont make the pedal heavy by tightening the shaft???
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They take it back to how it was originally built
The original bushing has worn.
Futue te ipsum!!!
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psimitar
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| posted on December 23rd, 2014 at 01:27 PM |
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| Quote: | Originally
posted by blompod
Yeah the revs the other day would raise as soon as you sprayed the throttle shaft, I think carbie cleaner works better for finding a leak, more
flammable I guess. But yes Im sure it will come back again so I'll install the brass bushes when they arrive. Someone mentioned these bushes on
another thread, do they work well? They dont make the pedal heavy by tightening the shaft???
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They shouldn't tighten things but after you put them in you'll know pretty quick with the shaft back in and turning it.
If it does tighten then it'll need reaming so the shaft spins freely.
madness is in the eye of the beholder |
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