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About madmole

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  • First Name Stephen

Profile Information

  • Gender* Male
  • Ford Model Focus Mk3 Titanium Navigator
  • Ford Year 2013
  • UK/Ireland Location Surrey
  • Annual Mileage 5001 to 10,000
  • Interests General Automotive
    Car Modification

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  • Location Staines

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  1. alternator? battery? or both?

    Theoretically that's correct, but in reality most batteries are not perfect and a working full charge is considered 12.8v and above (95% plus). In reality any voltage even slightly above the resting voltage of the battery will result in some charge going in (however slowly). But yes you would expect >13.2 volts min on a brand new or modern high capacity system. After a start, the battery will be partially drained and so modern system will wap in more to bring it up quickly
  2. alternator? battery? or both?

    Battery would get warm and gas off. it would loose fluid. They are not a clutch physically, they are voltage controlled internally by electrics. The colder it is and the lower the battery voltage the higher the output voltage If you start the engine while watching the voltage and leave it, You should see the voltage be high immediately after the start and then slowly come down as the battery is charged
  3. alternator? battery? or both?

    Anything over 12.8 is charging the battery, older cars charged at around 13v. its only modern cars that have smart alternators that can allow for cold etc should go higher and may max out at 15v for short periods. The higher the voltage the greater the difference and the potential to force charge into the battery (the actual amount going in is the current), but higher voltages also cause things to warm up and can shorten the battery life if overused A trickle charge at 13v is actually better than shoving a load in at 14.5, but on a cold morning, with a depleted battery from starting the engine, the alternator will stick out up to 15v for a while to get the battery topped up as quick as possible then ramp down the voltage as it fills up Smart chargers will also do short high voltage pulses to break down sulphation in cells if needed
  4. alternator? battery? or both?

    Yes, that the fluke has a lower internal resistance Alternator is fine if its pushing 13.7v with all load on. Ideally though you should measure the current as well
  5. MK1 MOT Exhaust fail - High!

    New lambda may fix all that
  6. Anti roll bar drop links

    Why not get Whiteline uprated and adjustable ones (and do the sway bar while your down there)?
  7. New Ford Focus Speed Warning Settings

    Speed in miles, warning in KM?
  8. Tesco diesel

    Not unheard of for garages to cross contaminate fuels in the storage tanks, or for there to be water or junk in them
  9. Tesco diesel

    The OK, been reading up tonight 5% biodiesel is the minimum byEU law that diesel fuels need to use overallat present, theEU want that at 10% by 2020 (came in at 2.5% in 2008 and rose to 5% in 2013). ttps:// the regulation BS EN 590 allows a max of 7% currently to be sold as "normal diesel" any higher must bestated on the pump (it is, but only if you look very hard), but no actual lower value is specified, but the manufacturers can't meet their duty under the EU law unless they sell some over the 5% to offset fuel under 5%. As biodiesel is cheaper than dino, the more bio they can add, the less duty they pay, and if they charge you as normal, the more profit they make. There is no legal max on biodiesel and you can get B20, B30 and B100 mixes quite easily (or make your own) Supermarket fuel has been tested at up to 15% Bio (look for the signs on the pumps). Premium diesels tend to have less or no biodiesel Bio is actually able to dissolve some carbon depositsso a little in the mix is OK, it also makes rubber harden, swelland crack so hope you have Viton seals in your fuel system (cars prior to 2008 wont). it also helps lover CO2 emissions compared to Dino Derv. However biodieselgenerates between 5 and 10% lesscalories than dino juice, so your power and economy will suffer this amount Tesco apparently use a higher Palm oil blend (its cheaper than rapeseed) and this has had lots of issues with waxing in winter. Other providers use rapeseed and othersources that wax less in the cold Its hard to get the facts and the biodiesel industry put out quite a lot of PR stating its all wonderful and we should all be running on B100, whereas if we did, we would all starve as in reality we need to eat some of the crops that would be needed for bio if we all swapped to B100. Lots of sites stating that all fuels are the same (as they all meet BS EN 590) but we know this is just a minimum standard and you can tell they are not all the same just by using them. Do you run minimum standard tyres on your performance car (I hope not!)
  10. Tesco diesel

    It is cheaper fuel, it is 15% biodiesel as opposed to 5-8% biodesiel. That makes a large difference Yes it meets minimum standards, as do nan-kong unbranded tyres, but Neither of them are going anywhere near my cars. My expedition landrover than is designed to run on anything remotely compressionable, like vegetable oil, or old WW2 diesel in the sahara, cough and splutters on our local Tesco's crap
  11. Tesco diesel

    Supermarket fuels are cheaper because they use a much higher % of biodesiel compared to branded fuels (almost double as its cheaper) and they don't have the additive packages. Biodesiel doesn't burn as cleanly as dino diesel and the lack of detergents means that soot can stick around. Biodesiel can dissolve certain older seals and O rings especially those used in older cars made before around 2008 when biodiesel was mandated as an additive by the government. Plus their QC may not be so good hence the thousands of cars damaged a few years ago when a metal contaminate ruined the users HEGO sensors I normally run mine on Super diesel (as work pay for it) but when I have been reduced to using cheaper fuel I can really feel it (mine is chipped to the higher quality fuel)
  12. Spider Arachnid tuning chip, then you can select which level of tune you want each day from ECO, through 4 fast road settings and race. It retunes itself 20,000 times a second to your car (rather than the one fixed map) and completely removable for servicing etc. Put one on my 1.6 tdci at 9,000 miles and love it. Economy has shot up over the last 12,000 miles and I leave it at Fast Road 4 all the time. Love the extra torque
  13. help with exhaust

    I take it you've plus gassed it? Blow torch the metal it goes through while leaving an ice cube on the bolt head
  14. Ford Focus Mk2 2006 Safe to jump start?

    Only if you don't connect the earth lead last and don't connect it away from the battery
  15. Ford Focus Mk2 2006 Safe to jump start?

    Perfectly safe if you follow the direction in the manual, ie earth connect last to the earthing point and NOT to the battery direct, earth disconnect first The manual wouldn't include it if it wasn't safe to do