Section : Engine

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Posted By : Brian Kite, 11-Jan-2004, 04:21pm

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  Posted By : Nigel Gibbins, 12-Jan-2004, 04:24pm

  Brian,
  
  After checking that everything was re-installed correctly with no air leaks etc. I would look toward a fuel starvation problem next - the fuel flow could be fine at idle or low revs but incapable of delivery enough juice at higher levels.
  
  It seemed pretty obvious the filters were to blame for your intitial problem as replacing them solved it. These may simply have become 'dirty' when off the car and so can't flow enough air at higher revs.
  
  Likewise, when you replaced the diff (etc) it is possible you may have inadvertantly collapsed a fuel line and so restict the flow. If your fuel pump has a primer then you can try to re-start the car after a good priming. You may want to consider changing the spark plugs as a matter of course or at least cleaning up the ones you have - if they have been receiving fuel and not firing then the residue will be fouling them for you.
  
  You could try starting the car without filters for a test - if all is well then it definately these that are the problem. See if there's a difference when you re-fit them - new filters (paper) are cheap and you can easily replace them.
  
  Cheers
  NiG
  

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    Posted By : Don Cook, 12-Jan-2004, 05:56pm

    When you had the filter box apart did the back of the box go back up the right way up - it fits both ways but shouldn't, slots have to line up. Dozy here did this and petrol poured out into the filters, similar to what you're saying.
    
    Don

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      Posted By : Brian Kite, 12-Jan-2004, 10:09pm

      Thanks Dom
      
      Yeah spotted that in the Haynes and then yesterday in your other mailing.
      
      The petrol was pouring out yesterday with the filters off. This was when spinning it on the starter and appeared to come out on the kick back when the starterm is switched off. It's abit difficult as there is no remote starter under the bonnet. I did think about a big screwdriver across the solenoid terminals..........
      
      Cheers
      
      Brian

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        Posted By : Graham Reeks, 13-Jan-2004, 08:01am

        If you haven't already got one Brian i'd suggest popping an in-line filter on the fuel line ... the needle valves are easily blocked which can cause fuel to back up, and then the carb will pour it out of the overflow. If you're getting a build up of gunk in the pump bits could be getting through and into the float bowl and jamming the valve. Common enough with Stombos.
        
        Gentle tapping of the bowl whilst turning the engine over will often clear the offending blockage if this does happen (needs long arms, or a friend ), but a filter for &163;2.50 should stop this.

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          Posted By : Andrew Lewis, 13-Jan-2004, 10:32am

          Yes, in fact I would fit two Brian - a large one before the fuel pump and a small in-line one just before the carbs. The smallest one that Halfords sell is perfect.

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            Posted By : Brian Kite, 22-Jan-2004, 05:35pm

            Brilliant, thanks Andrew.
            
            

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              Posted By : Colin Lindsay, 30-Jan-2004, 11:21am

              Okay - so firstly, it's Friday morning, late night at work last night, not enough coffee this morning and I'm draining my central heating system while cooking chili so my mind is on other things as usual these days BUT: it seems to me that the engine is flooding. The new filters have upset the fuel system on the carbs so the fuel is building up in the carbs until it floods the car. Is this why the petrol is running out of the carb? I had this problem on my Mk1 after I tried to adjust the carbs by ear...20 miles down the road we flooded and wouldn't restart, and then ran like a pig until the flow was properly adjusted. Turn the fuel flow down a quarter turn and see how that goes... by all means filter the flow but make sure there's not too much to start with!

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                Posted By : Brian Kite, 13-Feb-2004, 10:19pm

                Thank you, Colin.
                
                Been really hectic at the work place but now a glorious week off so can get my hands dirty again.
                
                Hope the chili was hot and the central heating still is.
                
                Brian

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          Posted By : Brian Kite, 22-Jan-2004, 05:33pm

          ThanksGraham
          
          That's a good thought. I've got one in the garage and will fit it - should've done it when I bought it .....
          
          Sorry about late reply - just not enough hours in theday to do all the necesary things.
          
          Brian

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    Posted By : Brian Kite, 12-Jan-2004, 10:04pm

    Thanks Nigel
    
    I think it is probably fuel related. I had to take the nearside suspension off to get the diff out and when I put it back the fuel pipe was definitely in the wrong place... Took the easy way out and took it off the tank - anything than trying to realign the suspension.
    
    Yesterday I checked the pump - it was full of gunge but pumping well both on the starter and manually.
    
    I'll change the plugs and points next chance I get.
    
    I'm not too stressed about filters and was trying yesterday to start it with them off. I think I'll try squiting start juice in, as well.
    
    Many thanks
    
    Brian