davo Posted September 15, 2013 Share Posted September 15, 2013 Not strictly a manta issue I've just got myself a 1.9 opel gt Obviously it does not have a head suitable for unleaded. So you guys running older b's do you put an additive in and if so how often ? I suppose I could get an unleaded head but why take apart something that's working perfectly well Quote Link to comment Share on other sites More sharing options...
plumster Posted September 16, 2013 Share Posted September 16, 2013 Aye, two squirts of Catrol Valvemaster with every fill up. Quote Link to comment Share on other sites More sharing options...
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