Ray Perkins Posted July 19, 2015 Share Posted July 19, 2015 My mark IV spitfire has had a full service very recently ( new plug, points, condenser, new carb jets etc) and it has been running a treat.This afternoon, I decided to replace my dead fuel tank sender. When I removed the old one it was horribly rusty. I fitted the new one, which got the fuel gauge working and took the car for a spin. All was well. A bit later, I took the car for another trip, at which point it embarrassed itself by starting to run rough, finally stalling and refusing to start. I managed to restart it, but it kept running rough and got me home before stopping again and refusing to start at all.I suspect a fuel problem.DI am getting fuel to the carbs, but I wonder if particles of rust from the old sender have got into the carbs and caused blockages?If so where do I need to look for trouble? Quote Link to comment Share on other sites More sharing options...
Nick Jones Posted July 19, 2015 Share Posted July 19, 2015 Check points have not closed up first. Many of those currently available are so rubbish that the heel sits at an angle on the cam and wears down really fast initially, closing up the gap. If that isn't the issue, try putting the old condenser back in. Nick Quote Link to comment Share on other sites More sharing options...
Clive Posted July 20, 2015 Share Posted July 20, 2015 If you want to check fuel is getting through the jets, or at least check they are clear, get a length of fuel hose or similar with a well cut end. Take the carb tops off, press the hose against the jet top and blow, should get air flowing up into the float chamber.I see where you ar coming from with the grot in fuel idea. Best to fit a cheap disposable fuel filter, somewhere near the fuel pump is easiest.But agree, new service items worry me a lot. So first check would be for spark..... Quote Link to comment Share on other sites More sharing options...
yorkshire_spam Posted July 20, 2015 Share Posted July 20, 2015 I'd echo what Nick said - I had a brand new condensor fail about 3 weeks after fitting.... Quote Link to comment Share on other sites More sharing options...
ferny Posted July 20, 2015 Share Posted July 20, 2015 My condenser failed straight away. Fitted it, started the car to check, went to bed, got up to use it the next morning and no go. Put in the old one when I got back that night and it was fine. 🤔 Quote Link to comment Share on other sites More sharing options...
Velocita Rosso Posted July 20, 2015 Share Posted July 20, 2015 One of our guys had persistent condensor failures every few hundred milesTurned out he had the wrong coil fitted re; 6v/12v Quote Link to comment Share on other sites More sharing options...
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