Is it 9psi pulley? How much timing are running on 500whp run?


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Great numbers! Awesome torque curve, hitting 300wtq around only 3000rpm and it doesn't drop till 7k...I bet she pulls hard! Is this the standard trim or Si impeller?

That graph is exactly why I like s/c over TT. Great job!

Still the stock blower, and pulleys besides Tbatts tensioner pulley.
Jon did say to hit 500+ (map2) he had to advance the timing a bit. This was still hit on nothing but 93 pump gas with stock pulleys and trim.

Not much to watch, but here is the final pull: https://youtu.be/j2gaq0vRX90

Dang. If you would drop 1 pulley by .20" and ran si trim you would easily hit 550.

Oh it's coming ;) I'll be in touch for sure on what route to take for pulley size!

Hi guys
Is anyone experiencing a flat spot at low revs/between gear changes
I've been watching my afr and it seems to momentarily go realy rich for a second
I'm wondering if it's bov related so wanted to ask you guys knowing you are running same set up

Ps here's my dyno sheets from stock stillen kit to air to air

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Not quite sure how to read this. Your initial graph says your on a 350z and your hitting higher tq earlier in the band. I've never seen this.

But I do like your (actually measured) a2a 54 degree Fahrenheit intake temps. Chilly!

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English dyno so probably not WHP/WTQ.

edit* yup ...says BHP top left.

Sorry yeah
That's a typo regards 350z it was my old set up on my last 370z don't know why it says 350
Topz charge temps are awesome they never go 5/6 degree above ambient as before they were hitting 60c on dyno hence the reading showing fuel being added in to cool things
I had the issues with my impeller as you know so now the blower is refreshed I will go back for another tune up I think he struggled to get a clean tune and now I know why my impeller was broken .


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Yeah and that dip around 4000 isnt helping much either.

FWIW, I dyno'd my car when it was stock just prior to SC install and had a dip similar to your dip right at 4700 rpm.

Ahhh ok interesting

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Hey Topz, any updates on the kit? Specifically to what I ordered--would you be able to get everything from Stillen minus the blower or would it just be easier for me to get their kit and buy the A2A alone? They're having a black friday sale on the SC kit at stillen so I'm just tempted to do that for now so at least I'm getting started unless you have a better bracket. The blower I sent into 928 I've received one friggin email in the month they've had it. They suggested I replace the shaft but they don't have the part, I asked them if I could order a part from somewhere else and have it shipped to them rather than them just sending me back the blower to ship elsewhere which they never responded to, then I sent another email asking them to ship back the blower and give me back a refund minus shipping and still haven't heard anything back. I'm tempted to file a dispute with paypal but 928 would still have my blower so I feel like I have no leverage whatsoever if I don't want to chance getting screwed. I definitely advise people to stay away from 928 right now, I'm about to sh!t all over their facebook page with complaints I'm trying to be chill but this is getting crazy. I get that superchargers might be their side business taking the bench to their porsche 928 work or whatever tf, but never answering their phone/responding to voicemails or email this long is unacceptable