So I'm looking at buying a 2015 370z Nismo Tech in White.
It only has 17,000 miles on it and is in perfect visual condition.

The owner had sent the car to AAM Competition in Maryland to have the following installed:
AAM Twin Turbo Kit (Tuner Series)
AAM 3" True Dual Exhaust
AAM Upgraded Intercooler
1050CC Injectors
Upgraded Fuel Pump
Ecutek

There are some other mods but I'm listing the important ones.
AAM sent him some dyno numbers as they tuned it. It shows 660whp and 550tq which is impressive.

I have 3 questions:

1. The owner is in a non-emissions county of Texas and I unfortunately am not... Has anyone been able to pass emissions inspection with a TT setup? I think I'll have to at least get cats and have them enabled in the tune again...
2. How reliable are forced induction 370s if they were built correctly? Specifically with the AAM twin turbo kit.
3. He is asking $30,000. I'm thinking this is a good price but wanted to know what others thought.

Thanks,

 

1. Research what your county requires for emissions. A turbo'd car will pass emissions (in most cases) as long as the OEM cats are in place, the o2 sensors are unmolested, and codes/evap/ecu stuff hasnt been tinkered with. FIgure out what ECU / tuning platform is on this car. It's likely a piggyback (probably ECUtek). If it's a standalone than it probably wont pass emissions.

2. AAM is a great company with a great reputation. The car will last as long as you maintain it, dont abuse, dont neglect it and keep up with things that break (and things will break) but the VHR engine is plenty stout for 600hp to 700hp and under 600ft-lbs of torque ... you cold dial that down to 600hp 500ft-lbs of torque
was this an E85 tune? Likely?? make sure you have access to quality E85 and ensure the car has an E85 sensor installed (it likely does) but know that the E85 sensor is typically wired in to the EVAP pin on the ECU which may mess with the emissions stuff - especially if this car is being tuned with ECUtek.

factor in that twin turbo setups are very very hard to fix when things go wrong. The turbos are tucked up into the engine bay and sometimes it's easier to take the engine out of the car to get to the turbos. I ran the Greddy twin kit on my 350z and I will never run twin turbos again. if you cannot do the maintenance and upkeep on the car yourself plan on it being relatively expensive to perform maintenance/repairs. I swapped over to a single turbo where I can get to it in about 10minutes.

if it was me, I'd make the sale of the car contingent upon it passing emissions ... there are way too many things that could jump out and get you that none of us would know about.

I'm gonna speculate and say that this car wont pass emissions ...

 

1. My county requires OBD scanning to pass inspection. I think you're allowed 1 not ready flag. "For vehicles year model 2001 and newer, we allow one (1) non-continuous monitor to be "Not Ready" and still pass the test, but two (2) or more "Not Ready" readings will cause the vehicle to fail."
I'll have to see how many are actually set on the car...

The car does have an ecutek, and I think the cats were removed... So chances are it probably wont pass without some help or if you "know a guy".

2. The car does run mainly E85, it has maps for pump gas but it seems to like E85 the most. I wasn't worried about access to E85 as we have plenty around where i Iive. However I did not know about using the EVAP pin on the ECU for the E85 sensor. I may call AAM tomorrow and see if they have any records of how they set it up on this car.

I did see the turbos were pretty tucked up in there. Thankfully I have access to a lift which should make it a little easier to work on it if I had to. I do almost all of my own work on my cars but it certainly does not look as spacious as my E55 AMG haha.

Thanks for the great reply, you've given me a lot of think about and some good information.

 

Yea, so you may fail OBD scan because of the Evap re-wiring. If the cats were removed you should see about getting them back or negotiating them off the price of the car.

I dont run E85 bc the inconsistency and lack of availability here in colorado. I'm not a fan of it for other reasons as well.


So the flex fuel sensor plugs into a module that has a 12volt key-on power, a ground, and a signal wire that checks into pin 102 or 120 or 104 of the ECU. ECUtek then uses that analog input from the sensor to determine ethanol content of the fuel and adjusts timing accordingly. So likely the OBD2 scan will pickup an error on that signal and fail you. I wouldnt plan on this being a 'not ready' condition.

PUlling my greddy twins really only came out from the front, they wouldnt come down ... having a lift will help but your best bet will be dialing down the tune, meticulous maintenance and dont beat on them.

 

Hi, thank you for your advice, it helps me too