GTM STG 2 SC, when will it be available?

SAM@GTM

This is a valid question and no offense taken. To summarize what the delay in this process is, we are trying to give the best product and design possible for the stage 2 setup. We received the supercharger 2 months ago and we could have produced a stage 2 kit within 2 weeks if we would have reused the majority of the stage 1 components like the intake and piping. Instead, we wanted to give the stage 2 the best intake design possible which has resulted in a lot more time required to do that. I think our ambition to offer a superior product overrides our desire to release a product onto the market that could be better. Because of that, we run into these delays but it will be worth it in the end.

Sam

Nixlimited

This makes sense, but what is it about the STG 2 blower that requires so much re-work? It doesn't seem like the STG 1 kit is making a lot of compromises in terms of air flow, cooling capacity (intercooler), etc. Is the new SC substantially different in configuration (e.g. compressed air exit)? I'm all for a well thought-out kit (and you finding me a car BTW), I'm just more interested in what the design considerations are.

SAM@GTM

There's two different philosophies behind the two different stages. The stage 1 kit was intended for the ultimate performance enhancement without having to change anything on the car, meaning it will bolt up without any major modifications. As we all know, it is a very tight engine bay and putting the supercharger in the bottom was not the easiest way of doing things. It has been accomplished nonetheless and the kit is performing very well. So I wouldn't call that a compromise.

On the other hand, the stage 2 kit is going to be balls out and offer the best performance we can squeeze out of the c38-91 blower. With doing that, the stage 2 kit will be getting different motor mounts, different intake, intake piping, fuel system. It's designed for big power. I hope that makes sense.

Nixlimited

Yep, this totally answers my questions, although now it changes my calculus a bit. Sounds like STG 2, with all its extras, will be quite a large price jump and quite a bit less stealth. I may have to manage with STG 1 and a mere ~400WHP. Hmmmm.

christian370z

From what I have seen, you will definitely be at 400whp if not more with the stage 1 kit. However, I haven't seen anyone playing with methanol injection i.e. Aquamist/Snow Performance which can also give you a significant bump in power and torque if tuned properly.

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SAM@GTM

Here is some pics of the stage 2 set up

SAM@GTM

Direct port water injection is going to be the ticket on the stage 2 sc set up .

Sam

Nixlimited

Yeah, I have been considering water injection for overhead protection and cooling. I don't think I want to mess around with Meth because, while very effective, it's a lot more work.

SAM@GTM

As for stealthiness the stage 2 will remain as stealthy as the stage 1 sense all the different components that differentiate the two system wont be visible. Price is a different story and like somebody mention here, you could take advantage of the current price on the web site before it goes up.

Sam