So the engines' computer adjusts the air and gas correctly? With my motocycle, I can put on a slip on and run with a little pop when decelerating but if I change it to full I have to put a new fuel management system on it and adjust.

And by tune, everyone is referring to a dyno tune and adjustment?

Attachment 83659 Tuning - Nissan 370Z Forum


"Tune" meaning you would have to buy a software license like UpRev, EcuTek, etc, each cost a few hundred bucks. Then go to a dyno with a person who knows how to use that software. With the bolt-ons you have listed it's not 100% needed but it would help. If you put headers on you should get a tune for sure.

I've got the Stillen Gen3's and will be adding the FI LTH's and exhaust this summer. Is there any recommended timing on how quickly after having everything installed you should get a tune? I know I need one from the many mentions of this throughout the site as well as your comment above but I didn't know how quickly a tune should take place after installation.

It doesn't have to be done the same day or anything, if you never get a tune it probably wouldn't hurt the car but I wouldn't recommend it. You wouldn't be getting the power you paid for or responsiveness that you get once they fine tune your air fuel ratio.

Awesome thanks! Yeah I figured those were the reasons but I thought I would check. Definitely want to get as much out of it as I can. It's gonna be an expensive summer :)


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I would definitely wait until ALL your mods are done. If there is anything you may do or change out I would wait.

Yep! That's why I'll be doing it this summer once the FI LTH's and exhaust is on. Already have the a Stillen Gen 3's.

Intake
 

Hey everyone!
I just got my first Z (2013 Nismo in Magna Red). I'm looking for the best air intake for the Z. Would like to hear your thoughts? What you chose and why? I'm thinking the Stillen 3.
Thanks.

Budget + Ease of installation for decent gains: Cobb (or similar) smooth tubes plus K&N (or other high flow) panel filter.

Money to burn + unconcerned with periodic removing of the front bumper to get a few more ponies up top: Stillen Gen 3.

Un-heat shielded short rams, however, do not seem to perform as well, so those might be passed on unless you intend to construct airboxes for them.

please post proof when making claims like this

my short rams intake 8 above ambient when moving at any speed above 25mph

for the most part i think people should buy a CAI, but if one truly wants a SRI or is given one like i was, it doesnt mean its bad and wont perform, heat shielded or not

To be fair, I only have clear evidence of the first two claims; the third is admittedly unconfirmed, to the best of my knowledge.

Moreover, it is indeed possible to pick up gains from a higher flowing cone filter that compensate for any losses due to increased ambient heat -- HOWEVER -- it is unclear whether that will be detected on a dyno with the hood up and a large fan blowing anyway.

If you have some form of heat shielding, and the filters are pointing towards the OEM front bumper duct work, you are probably fine, but if they are wide open, with the hood down, you are drawing in air that is significantly hotter.

While moving, they should approach ambient, so fair enough. But every time you sit, the temps are climbing. That's true even with shielding, but the effect is much greater without shielding.

to be honest, there is no such thing as "best" when it comes to bolt ons only personal opinions and choice. what it boils down to is what you want to spend

Ambient,spambient...lol.Bolt on any CAI,you will not feel any difference
when you are driving.If you are concerned about temp,put your thermometer
away and drop in some K&N's in the stock airboxes.

Keep your stock boxes. Intakes are not worth the money spent and the pain to clean them especially if they're the cold air types.

I know you "gained" power with your SRIs.
Did you run at a dyno? I forgot.

If you did, was your hood open? If so, you can stop saying your WAIs make power.

Datalogging several days doesn't equate to much if there is no SOP, especially when trying to prove out that WAIs are beneficial over stock.


There is no reason an intake sitting inside the engine bay makes power over stock boxes (let's say with K&N panel filters so we don't start arguing over flow)
And when I say no reason, I mean NO REASON. The stock boxes pull in outside side through the radiator support. SRIs, ESPECIALLY non shielded ones EXCLUSIVELY pull warm to hot air that has either flowed through the 180 degree radiator and/or has been heated by the engine.