Forced Induction gains and 7AT

Lug

Hopfully so. From what I've read, the full shift time has dropped about 500 milliseconds between the two trannys. That's an incredible improvement. I think the same 7AT is used in the FX45 (390 HP stock). If so, I'd imagine it's power handling has gone though the roof as well.

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TARDCORE

Look on myg37.com you will find a pretty good answer there. But you can expect slightly more gains due to less power throuhg the drive train on the Z compared to the G.

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rednek01

I am going to mostly agree with Lug I would bet that the trans can handle somewhere between 420-430 HP. Now the real question is how much torque can it handle. reason I say this is because most trans are rated by how much torque they can handle, the Z's don't put out an incredible amount of torque stock but adding F.I. will drastically increase the torque that the drive train has to handle therefore adding much more stress.

We can speculate all we want but until we start seeing high hp/tq or F.I. cars dropping trans and looking at what numbers they are killing them will we truly know the answer. Add to that driving style will have a lot to do with how well the drive train handles the power as well. if you are a street light racer every light and push your car regularly you may see a failure at a lower hp/tq level than someone who is a less aggressive driver.

So really who knows do some research as Lug has and we can add lets say 20-30% over engineering to what they are handling stock and that is probably a safe number to stay around for starters at least.

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