I really dont think that is necessary to run a totally different fuel system. just get 2 tune, 1 for low octane and 1 for high octane. which ever one you want to run for that day just use that map.


if you run a separate fuel system and want to do it right it will cost you alot of money for lines and fittings. My sump for a fuel cell system cost me about $300 already, got some free stuff.... and im missing some fittings still.

I am running 8an feed and 6an return....the ss lines are pretty pricy, not to mention 90 degree earl fittings. but if you do it might as well do it right...