I'm a sure Classicswede will correct me but a smaller gap works better too. Cheap plugs cahnged often. A tenner the lot. (Specail so-called LPG plugs are snake-oil at those prices so can't possibly pay so forget 'em) Volvo have it that I should be at 0.9mm but my V70 was not happy (missing and poor starting) until I went down to 0.7mm.
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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; Jan 8th, 2015 at 15:35.
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