GTM STG 2 SC, when will it be available?

RCZ

I hope the VVEL controller provides the results everyone's expecting!

Sam, are you speculating or do you have some results/indication that there's a lot to be gained from VVEL control?

Flyboy

Would you ask this question if it were made by Stillen? Lol.

toner123

Come on this **** is getting old. It was a simple question wasn't to be disrespectful.

RCZ

Thanks Toner, seriously its beyond getting old. Specially when people whom I have never exchanged words with are jumping on the bandwagon.

Thanks Staple for the explanation, but I know the theory behind it. I'm just wondering if there's any proof that it works well on this car so I can start planning for it!

The question is purely for informative purposes, I already said I have nothing against Sam or GTM. If anything it's just one more opportunity for Sam to garner interest in the product.

Flyboy

Sorry but everytime I read one of his comments it nothing but negativity, so that's how I read it.

CBRich

We really don't need to clutter this thread with this stuff. Just end it here so we can find out more about VVEL tuning please.

Staples

Proof is in the way the VVEL system works in stock form. The cam duration is so aggressive at 300 that it causes valve overlap which in turn reduces boost and reduces power. Drop the cam duration and you'll be able to use more of the air that's entering the engine for combustion purposes which will create a huge increase in power.

Example, if a car is making 465whp on 93-octane at a 10.5:1 compression ratio (350z w/ HR motor) on the same pulley/charger that Sam offers in his stage 1 supercharger kit which only makes 8psi on our cars because of valve overlap, if we were to drop the duration to match that of the HR motor and with our 11:1 compression we would make more power then 465whp, and that's only on the stage 1 kit with the 14psi pulley (maxing out the C38-81 supercharger). The stage 2 kit would make ridiculous amount of power with the VVEL controller.

Just my 2 cents.

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'08 Infiniti G37s - Forced Induction Fed