Best carbs for a type 4 engine

Discussion in 'Mech Tech' started by Pdjordy, Mar 26, 2023.

  1. snotty likes this.
  2. Betty the Bay

    Betty the Bay Supporter

    Perhaps he’s fallen foul of the “I’ve only got £120 on me, is that ok.” trick.
     
    Zed likes this.
  3. Zed

    Zed Gradually getting grumpier

    Mine was slightly more vertical than yours, you can see better on here.
    IMG_20181005_114740403.jpg
    The VS position is horizontal and fine. Go figure!
    Perhaps the fitting I used to get it a bit out of blocking the tailpipe made it too cool, I think it's possibly intended for a header.
     
    rob.e likes this.
  4. There is a minimum distance it needs to be from tailpipe. Need calibration And they don’t like moisture
     
    snotty likes this.
  5. Milky

    Milky Sponsor

    £120 ! Are you a Rothschild ? I would have gone in with a cheeky (borderline rude) offer of £80 .
     
    Betty the Bay likes this.
  6. mikedjames

    mikedjames Supporter

    Modern wideband sensors dont need calibration. My sensor is upright in the collector of a stainless single quiet pack .
    They last about 50k miles , die covered in soot or if water hits the 600 degrees C heated sensor, or if you smash it fitting or removing the engine with exhaust in place.
     

  7. The Innovate LC-2 digital wide and controller kit requires it .
     
    Last edited: Mar 30, 2023
  8. mikedjames

    mikedjames Supporter

    That is the Innovate software. PLX Devices digital sensors do not need calibration messing around.
    Neither do 100% of production cars that use the same five wire wideband sensors, they work with the built in atmosphere sensor fed from the loose cable sleeving going to the sensor that provides the oxygen reference 100% of the time.

    It's the one (probably relic )software misfeature that put me off going Innovate for a permanent installation. They probably lost the software guy who did some clever work originally, and now they can only bolt different displays around the "magic" source code.
    Also I expect now that it is "traditional" for aftermarket AFR meters to require calibration, so one that does not must be worse in the eyes of a typical USA customer.
     
    Last edited: Mar 31, 2023

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