ChasR
RR Helper
motivation
Posts: 10,194
Club RR Member Number: 170
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In typical style, the 'B has decided to start pouring fuel out of one of the carbs via the overflow pipe.
I am going to hazard a guess at it being a stuck float chamber (My dad ran the car dry of fuel...), and hoping that a simple cleanup and resetting the float will sort it.
If not, I do have a spare 45 DCOE to go on, but it has never been on the car and is only jetted to work on the car's spec of engine.
My question to you is, would it be enough to get me to a station (and hopefully pass emissions) and back? I know they really do need a rolling road to set them up, but considering the MOT is tomorrow, time is running out.
If only he put in £20 worth of fuel from a petrol station.... FWIW it does have a fuel filter installed.
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Last Edit: Aug 2, 2011 11:51:42 GMT by ChasR
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sparkyt
Posted a lot
selling stuff
Posts: 1,767
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If its the same ish size engine and your mot man is friendly ... then maybe .. good luck bud
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bmw156
Part of things
Posts: 796
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cant you put it on, and change over all the jets etc from your carb into the "old carb". just do one at a time, to make sure they go into the right places.
and with the adjusters, on your set up carb, wind in each screw and count the turns, then put that onto the old carb.
it will be rough, but should be good enough.
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ChasR
RR Helper
motivation
Posts: 10,194
Club RR Member Number: 170
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The car is currently on twin SUs. To think I had them tuned to where they were working nicely with the car too! Different carb to the DCOE.
To trying to get the SU to work right I guess!
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if it's only SUs fitted, why not just whip the fuel bowl lids off, give the innards a quick clean, check movement/etc, slap it back together, and be done with it? going from SUs to a weber IMO is going backwards  |
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You're like a crazy backyard genius! |
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if it's only SUs fitted, why not just whip the fuel bowl lids off, give the innards a quick clean, check movement/etc, slap it back together, and be done with it? going from SUs to a weber IMO is going backwards Have to say I agree with this, fitting the 45 will just give yourself more work for no noticeable gain at the moment, well, besides the lack of a leaky float. |
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ChasR
RR Helper
motivation
Posts: 10,194
Club RR Member Number: 170
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if it's only SUs fitted, why not just whip the fuel bowl lids off, give the innards a quick clean, check movement/etc, slap it back together, and be done with it? going from SUs to a weber IMO is going backwards They're HIF 44s so I'll have to take them off in order to reset the floats. Small work I admit, but considering it's MOT time I figured resetting them would only become daunting task knowing my luck (things seem to be either a pain in the neck with this car or more than straightforward (recently until the float issue it has been straightforward mind you  . With a working 45 I figured if I could get away with minimal setup it would save me hassle come MOT time/delaying it. On the other hand I could be seeing the task with a glass half empty I admit. You say going from twin HIF44s to a Single 45 is a step backwards, what is your reasoning for that? On the other hand I guess the 'B was just showing it has character before the MOT LOL. |
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Last Edit: Aug 2, 2011 19:13:22 GMT by ChasR
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andyf
South West
Posts: 415
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Another random possibility is that SU`s can be susceptible to chucking fuel out if fuel pressure is too high. Have you changed/messed about with the fuel pump or even put a nice clean filter on or done anything else that could alter the pressure?
If not, ignore me and as CC says, a clean will probably do it.
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1980 Triumph TR7.
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SUs give better economy, without sacrificing vast mounts of power |
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You're like a crazy backyard genius!
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. With a working 45 I figured if I could get away with minimal setup it would save me hassle come MOT time/delaying it. On the other hand I could be seeing the task with a glass half empty I admit.