Flex Posted April 26, 2016 Share Posted April 26, 2016 Not for the Zed but Skyline. This is where I find my engine will go pop So I bought it in Ireland where they dont have super unleaded and the dud I bought it from said it was mapped to 95 ron. My question is and I dont think it will hurt to use super unleaded but would it cause harm if mapped to run on lower octane? Also is it possible to map to lower octane or was the guy full of BS? Any help would be much appreciated as ever you lovely people. Quote Link to comment Share on other sites More sharing options...
Ekona Posted April 26, 2016 Share Posted April 26, 2016 Easy to map for whatever you want. Personally on any performance car I wouldn't run anything other than Super, and no it won't cause harm to run higher octane fuel on something mapped for less. 1 Quote Link to comment Share on other sites More sharing options...
Flex Posted April 26, 2016 Author Share Posted April 26, 2016 Easy to map for whatever you want. Personally on any performance car I wouldn't run anything other than Super, and no it won't cause harm to run higher octane fuel on something mapped for less. Cheers dude, I owe you a reach around when the back's better 3 Quote Link to comment Share on other sites More sharing options...
Richf Posted April 26, 2016 Share Posted April 26, 2016 Just run a couple of tanks of super unleaded through it before you do get it remapped , which you will 1 Quote Link to comment Share on other sites More sharing options...
Flex Posted April 27, 2016 Author Share Posted April 27, 2016 Just run a couple of tanks of super unleaded through it before you do get it remapped , which you will Yeh probably only as 100 miles of motoring! Quote Link to comment Share on other sites More sharing options...
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