Quote:
Originally Posted by
Chris1811
I use normal unleaded, however I know someone who used the expensive (more so) stuff and the ten didnt like it. It caused chugging and spluttering. When he changed back to normal fuel his ten was fine!
No idea if anyone else has found this though....could just be a one off, you know dirty fuel or something.
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I use 98RON (or accasionally 99RON from Tesco) and find it to pull a little bit more cleanly between 2000 and 3000 rpm; less stuttering! The difference was apparent both before and after fitting a Kev mod and DNA filter and top. I'd guess that (as Kev indicates) that it runs a tad richer on 98 and it might help richen the closed loop fuelling a smidge?? Could be the placebo effect though!
Interestingly my V8 Land Rover runs like a pig on 98RON, and my BSA likes 102RON (98 + octane booster).
As for bad fuel, it may be the case, I had a really bad tankful from my local Esso station (not a supermarket) two weeks ago (in the Land Rover) and it felt like the HT side of the ignition was breaking down, ran on any number of cylinders from 5 to 8 up to quarter throttle and ticked over like a lawnmower!