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Originally Posted by 90rps13
I just got my sr20. Was wondering at what point is an ecu upgrade or other electronics needed. I'm about to do the swap and I also have a fmic, intake, fuel pump and catback going in. Do I need any computer upgrade at this point? I don't want to lean out the engine too much and blow it up. Thanks in advance, I already searched.
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do the swap and hook it all up. once you get it running, once you feel its all good the swap and your wanting more power then at that point its a good time too consider an after market one for after mkt ecu or have some one re-tune your ecu.