So I was talking to the local HKS/Greddy guys about the FC mod and he said he wouldnt use it since the fuel in Canada and the US are different and it would affect the fuel maps a lot. I do not know enough about it but I would imagine something like this was already looked into but I cant remember reading anything about it. Any opinions on how big an issue this would be?

 

That is just plain wrong. The gas is virtually identical.
Thirty years experience, the last twenty making gasoline.
Makes you wonder about what else they say.......
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doc

 

Hey, thats why I ask. I dont know enough to form an opinion on that and it sounded like a possibility. Like ti was mentioned before, if ya sink 30K into something you should at least do a little research :D I dint find anything solid on the net about it so wanted to double check here as well. Thanks for the re-assurance.