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post #1 of 2 (permalink) Old 04-28-2018, 10:54 PM Thread Starter
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Need tuning help 2014 xmx

I have a 2014 xmx with a rossier full system pipe. No programming and stock air box and filter. Obviously it’s running a little lean, what are my options for this. I really like the idea of the race ecu but I don’t have the supporting mods for it. EI; exhaust cam, green injector, bored TB. My question is what will happen if I add a bigger injector to the mix ? I want to ditch my air box lid but I’m scared I’m gunna lean it out badly without some way of adding fuel. I didn’t really want to buy a FMI because I’ve noticed lots of guys say there are junk. Please let me know! Thanks !
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post #2 of 2 (permalink) Old 05-08-2018, 12:24 PM
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Sincerely I think you don't need a race ECU. Where are you from? From Alberta I just read it. Are you racing national series or locally?

FMI are not junk, are just personal preferences. For national racers maybe is a must a race ECU (removing limp mode among other things) much better than FMI yes, but is just becasue the engine preparations are normally higher., but all depends on your level.

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