This JDM rockin’ Z33 is a pantie dropper for sure.  Sporting Seibon C.F. fenders, Volk TE37s Seibon Edition Wheels, and other assorted C.F. ware.

Under the hood it has a gnarly whine that suggests it isn’t all show.  A Vortech snail resides under there willing to boost it with the rest of the mean machines in our shop.  Along with Stillen Headers, factory CATs, and HKS Catback.  Vithorauk (the owner) called on us to tune his Z machine for optimum radness.

Luckily for him he laid off the gas pedal until it was tuned.  It came to us with the UniChip piggy back.  It was a no brainer to yank that thing outta there and get the party bumpin’ with UpRev hawtness.    After swapping out the factory plugs with colder ones and inspecting a few other things it was time to make some boost.  The baseline run with the UniChip had to be prematurely aborted due to unwanted mean and way too lean AFR.  A damn good thing Vithorauk never laid into it.  After some much needed massaging this baby was ripping it hard.  One thing about superchargers is that they do sound f-in mean.  Especially in our dyno room.

The before & after transformation…………….

Self explanatory……the blue run is the baseline on how it came in and red is where it came out rockin’ it hard.  Smooth power delivery and some sweet AFR to go with it (red run).  We made 369 whp & 308 torque with 7 psi of boost.  Props to Anthony @ Antelope Valley Nissan for a job well done in the installation department ( I didn’t have to redo much).

Juan from Bardabe brought over his 2007 350Z MT HR for some basic pulls and left with more power and a safer car.  Looking at his baseline dyno (in blue) it was way to lean to do a full pull.  His Z had his custom cold air intake, test pipes, and catback.

I don’t remember what catback he’s running (Greddy?).

We ended up with 293 whp and 261 wtq.

Last week Brandon brought over his black beauty AT 370Z for tuning.  This Z34 comes equipped with F. I. Long Tube Headers, F.I. C.F. Catback, Stillen UD Pulley, and Stillen Gen 3 Intakes.  Brandon knew better than to go flooring it until the car was tuned.  Make sure to at least check air fuel when doing engine breathing mods.  Many of the intakes out in the market will lean your mixture.

Peak power didn’t go up drastically, but everything where it counts below that made an average of 10 more whp and torque from just tuning.

Luis brought us his Z33 AT for a few goodies and ultimately for a tune on his basic NA DE.  His Z has plenum spacer, catback, resonated test pipes, Nismo C.A.I., and UD pulley.  Needless to say his AFR was way out of whack.  So far so that we felt it was unsafe to get a complete baseline pull.  A week before this we made a few baseline pulls on another Z33 that only had a JWT POP for a mod and was running extremely lean as well.  The JWT POP on the DE engines doesn’t change the sampling tube diameter of the MAF so the intake alone isn’t causing the AFR to be lean.

Here’s Luis’ results:

His base AFR (blue pull) was in the 13s and 14s!  After some tweaking we ended up with a safe AFR and a much peppier Z.  We gained over 25whp in certain areas.