Is that right. In which case that sorta' confirms my point. One of my coils (and one of his) is past its best and a narrower gap is covering-up an underlying issue. As I said I had to do one coll-pack recently. I might ahve another lurking in there then which explains the need for a smaller gap. Although I have to say, I've not bothered to widen it again since I did my coil. Maybe it will cope with it now, but it runs sweet enough.
Last out, if I run at 0.9mm it definitely doesn't like it. It's my understanding that the two gases, are more demanding to ignite than petrol, so are harder or shall we say more fussy about the condition of the ignition system, so you need the system to be in better condition for a given spark plug gap.
Hence driving an 'old nail', there needs to be compensations. Is this correct?
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Bifuel V70 Classic 1999 [The Old Grumpy in the Corner, "When I was a lad... blah, bl**dy blah."]
Last edited by CNGBiFuel; Oct 19th, 2016 at 10:07.
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