Quote:
Originally Posted by oldon
Tell us more please mate. Regards oldon.
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Yep, the XJ's have a old style injector which shoots fuel in a hard stream, like a water pistol. Where as the more modern Ford ones make a softer mist and they're for a 4.0 engine and have the same plugs so its easy to slap a new set on or second hand. This fuel atomisation is better so less fuel is required for the stroke for the required a/f mixture.
Ill keep an eye on my fuel economy each time I fill up to check for how much improvement. My last fill with the originals was 18ltrs/100ks
So it prompted me to pull the injectors out to firstly check if they we're leaking and to give them a few squirts to see if there was any weak ones in the bunch, clean check o rings. oh also i had a really low idle but that turned out to be my tachometer playing up. Because I put a tachometer on the pulley and it said i had a healthy idle but the instrument tachometer said i was 0-200...anyway.
Instantly noticed the cars much smoother with the new injectors
