one thing that some of you guys forgot to mention about the difference in the APS and SFR/SSR kits it that the SFR/SSR kit doesn't retard any timing in their kit where APS does. that alone may be the reason you see such a difference in the two dynos.

 

I thoguht the Split Second box handled timing????

 

why cant you really hear the turbos? and in the 350z test drive, you cant hear the turbos nor the BOV?

 

The APS TD exhaust system has a massive high flow rear muffler and 2 large resonators, this keeps the turbo/exhaust noise down to a bare minimum, which is ideal when cruising for hours on the freeway.

If you fit APS test pipes then you can more clearly hear additional turbocharger operational nosie, (a deeper growling note from the exhaust) I prefer to produce high power rather than high noise, each to their own I guess.

I'll see if I can't get some video for you next week. The G35 APS Twin Turbo has a stronger/tougher exhaust note on the road that you don't hear on the video clip as the dyno room has very efficient noise suppression.

Peter

 

not the split second box that comes with the kit. you'll have to order it as an addition.

 

Over 400whp with no timing retard? That sounds like it could be a very, very bad thing....

 

that's what i was thinking but, after talking to tim richards from SFR he claimed it wasn't necessary.

 

To each his own....

The ability to alter timing is critical in these high HP applications. This is why the Procharger has been so destructive - no timing control.

Of course, this can be handled by a TS reflash, I wonder of SFR recomend the reflash?

 

Peter, how many lbs' of boost is the APS kit set at out of the box? Is that what you were running when you got 400+ or did you turn the boost up?

 

The boost pressure is very conservative as the base APS/Garrett GT series tubochargers are a very decent size (40 lbs per minute mass air flow x 2 = 80 lbs per minute mass air flow ) and don't require high boost pressure to generate high horsepower.

Just on 8 PSI turbo pressure to produce 405 WHP and that's with 5 degrees on ignition timing retard (to keep the engine nice and safe and avoid any detonation) and very safe/rich air fuel ratio at full engine load/full throttle to keep the exhaust gas temperature down to a sensible number, all good.

Thanks

Peter

 

Holy hell Sam at GT Motorsports in Rancho Cucamonga was kind enough to demonstrate their APS twinturboed 350z, and I am still smiling. I can't wait for this G35 suppliment kit to come out.

FYI anyone looking for a great shop down in so cal besides brainstorm performance, check out GT motorsports (authorized APS dealer.)

Good work Peter.

 

I would love to see what this APS TT system could do with some serious engine work, such as this stroker kit: http://www.intensepower.com/aevqstkitg35.html How much boost do you think you'd be able to run with this stroker kit and forged internals, and what how much HP do you think it could attain with the APS TT setup? I know it's just speculation until someone actually does it, but even a rough estimated guess would be interesting. And I realize that's a lot of money in engine build up, but if it'll put this car in the 500-600whp range then it's well worth it. To compare it to the only other cars that could even come close to that power (Viper, 911 TT, and obviously Ferraris, Lambos, etc), you'd be paying maybe $50,000-$60,000 for the decked out G35 TT compared to $80,000-$200,000 for any of those other cars.

 

I'll be putting down 500+whp without the stroke kit. I just saw a TT dyno that hit 580whp on forged internals. I havne't seen a single dyno with the stroker kit yet, I'm not sure anyone has ever actually gotten a stroker kit to run right....

 

The turbos are good for up to 800HP.

 

Keep in mind, that its not only the turbos that factor in to max power, all though they are most likely the most expensive part. The intercooler will have a max hp rating also, the piping will effect max hp, blow off valves, etc....