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8 & 10 cyl Bristol cars Type 407 onwards - restoration, repair, maintenance etc |
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![]() I have a Mark 1 411 (1969/70).
I am currently using 99 RON fuel in it. What fuels do others use?? Does anyone use 97 RON with or with out a fuel additive. Would be good to get some advice as wouldn't want to damage the engine Many thanks |