Opinion on when to tune

JARblue

With no experience, the chances of you screwing up something are a lot higher.
And if you screw something up that lesson is gonna be expensive (probably in the form of a blown motor).

Not to mention the fact that in order to tune the Z yourself you have to be a Master Tuner licensed by Ecutek and you have to purchase the 370Z tuning suite in addition to the programming kit. It's not cheap.

You don't have to retune every time. You can get the programming kit and get a remote tune. Have your tuner provide a tune for the car with cats/hfcs installed and one with tps installed. That way you'll only pay for the retune once. Then you can just use the programming kit (cable) to swap the tunes on the car yourself whenever you change out the parts.

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