STILLEN 370Z Supercharger System - Announcement!!!

wifedrivenZ

Dyno charts

Attached Images

	Dyno Day 008.jpg (224.7 KB, 60 views)
	Dyno Day 011.jpg (237.9 KB, 68 views)

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Stillen Exhaust, Stillen Supercharger, Stillen Oil cooler, Stillen Headers, Test pipes, 928 Impeller, 9 lbs pulley running 12lbs of boost, Custom tune from National Speed. 415WHP 345TQ

wifedrivenZ

Before I put the car on the Dyno I called Stillen and asked what the AFR target was and they came back with 11.5 You will not see that number even come close. The car is running very rich per the Stillen tune.

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Stillen Exhaust, Stillen Supercharger, Stillen Oil cooler, Stillen Headers, Test pipes, 928 Impeller, 9 lbs pulley running 12lbs of boost, Custom tune from National Speed. 415WHP 345TQ

Phimosis

This is what I've been saying all along. At throttle tip in, your torque actually drops. That's where it's plummeting from 15 to 9:1 a/f ratio. On my car, it wasn't until 3,000 rpm when the supercharged engine was equal to the N/A engine in power output. That goes along with where the A/F ratio starts to get into the right range.

They have a new tune now that should improve the A/F ratio, as well as them having UpRev at their facility this week for more fine tuning.

I got an email from Kyle where he said (in summary) that they had some bits of data that they weren't able to override because they couldn't figure out where the instructions were coming from in the code, and that is why they had UpRev come out to them. He said they have the tuning done and now are working on the hot startability. -- although I had the problem hot and cold, where overnight (cold) is 80F.

Hopefully answers will come tomorrow?

NYBladeZ

364whp thats it?!? Even with a CBE?? You should be looking at AT LEAST 420whp, I know it's a mustang dyno but even then it should be at 400whp especially with your CBE. Dude if I was you I'd be flipping out right now, that's a lot of $ invested and a lot of work put in.

A side question, did they actually weigh in the car at 3625lbs or did they just put in an arbitrary number?

I hope they get it resolved for you.

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2009 Carbon Fiber/Red 370z aka Trish: Sports Package, Meisterschaft full catback, Fast Intentions Longtube Headers, Injen Long Tube Intakes, UpRev Tune: Sold
2008 Lotus Exige S Club Racer aka Bella, always leaves me smiling

RCZ

why go through all that trouble of returning when you are so close...weird. I was without my STI for like 6 months, but it was so good when I finally got it. Oh well, good luck guys.

Osiris

were you also without your car for 6 months?

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g37mobbin

now this is when the company had their stuff ready for you or pre-development?

memorylasts

Im glad im waiting for all the bugs to be worked out of this, Im surprised, Josh or one of the guys at Stillen posted some thread this morning for a $2k give away from DSport or something in co-op with stillen, i can find the thread now. You would think they would update the mess they have here instead of staying silent...

Thread

Im not sure if they are fully avoiding the thread but for the sanity of you guys that are having issues they need to be in touch, I think they should also be posting what they are working on to fix the various problems.

I hope everything works out, for the better.

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whiddles

I think i am also running a little rich. I will have to see the numbers. laptop keeps going dead to soon

weiboy718

how's your car running now?

whiddles

Its seems to be picky. as in sometimes my rpms still jump around while in (N). When i get on it hard i get a lot of black smoke im told. yours? I really need to data log it. I just started working again to drive it lol. Damn gas.

weiboy718

you're running rich! my car's running good for most of the time, just these 2 days our weather's been over 90 degree here and my car acted up.

whiddles

yeah same here. its been over a 100 this whole week. I though Stillen was coming out with a new tune but i gave up awhile ago. Im just now getting back into this.

weiboy718

i'm hoping for a new tune soon too! this one is still the best out of all of them but it still has some issues that needs to be dialed in.

whiddles

yeah same here. I have not talked to anyone at stillen sence the car was at uprev. I think I am going to get a custom tune when i get some cash rolling in again.