Jeffds Posted June 22, 2020 Share Posted June 22, 2020 Just got myself a 1971 herald 13/60 cabby and was wondering what you chaps think about the need for higher octain/ lead additive? Also when E5 becomes E10 will the need be increased? I'm assuming my head has not been re valve seated! Did many engines have this done in the noughties I wonder? Must try to contact previous owners to get history. I also know she has a recon engine only 26k miles ago but that was well over at least 16 years ago according to MoT site showing 19k then so only 7k done since! Quote Link to comment Share on other sites More sharing options...
RobPearce Posted June 23, 2020 Share Posted June 23, 2020 The Herald engine is pretty un-stressed and tends to have a good "lead memory". It will most likely run happily for many years just putting standard ULG in the tank. The bigger problem is that the ethanol in modern fuel can attack some rubber hoses, especially if they were replaced with cheap stuff a few years back. The original 1970 rubber seems to be better quality. If you do need to replace any fuel hose, you need the Gates Barricade R9 rated - beware cheap fake R9 on eBay. Quote Link to comment Share on other sites More sharing options...
Jeffds Posted June 23, 2020 Author Share Posted June 23, 2020 Thanks Rob, yes, that E10 can eat up allsorts. Lets hope we can still obtain the E5 or develop an additive!. Quote Link to comment Share on other sites More sharing options...
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