GTM Performance Engineering 370Z SUPERCHARGER KIT PRESS RELEASE

Zsteve · 05-12-2010, 12:20 PM

Quote:

Originally Posted by Xan

You two are right on, with that being the real benefit of the air to air, less moving parts is less chance of something breaking.
One thing to keep in mind though is although annoying if the air to water cooler system would break, you won't blow your engine right away. Additionally almost every car now a days has water cooling for the engine, so the principle is pretty tried and tested.

I wouldn’t be too concerned about the charge air cooling method for system reliability.
There are more important items, such as a quality charger, a good pulley set up (stable and belt wrap), a good integration into the car as to not restrict other components functions and many others. In the end I’m sure both systems will proof to be reliable systems as they both seem to have covered their basis.

I’m sure you’ll be more then happy with either system.

True that, GTM has stated how much belt wrap they have, I asked Stillen and got no reply, so I dont know if they just didnt see my post or dont want to reply. I think GTM said 80% belt wrap, and Im assuming thats a good %.

LiquidZ · 05-12-2010, 12:22 PM

Quote:

Originally Posted by Zsteve

True that, GTM has stated how much belt wrap they have, I asked Stillen and got no reply, so I dont know if they just didnt see my post or dont want to reply. I think GTM said 80% belt wrap, and Im assuming thats a good %.

Yeah, I don't think you'll have any belt slip issues with the GTM kit.

Xan · 05-12-2010, 12:56 PM

Quote:

Originally Posted by Zsteve

True that, GTM has stated how much belt wrap they have, I asked Stillen and got no reply, so I dont know if they just didnt see my post or dont want to reply. I think GTM said 80% belt wrap, and Im assuming thats a good %.

80% is kind of a strange way of putting it, as you would normally state this in degrees. But 80% would be 288 degrees, I've looked at the pictures, but it seems with that pulley they have about 240 degrees wrap.
The 80% was probably with a larger pulley then the one in the picture, or it's just the angle of the picture.

The "rule" is that if you want a minimum of 180 degrees. Higher boost level means it needs more power to operate, so the more belt wrap you would want.

Although even harder to see on the few Stillen pictures. It looks like both systems meet this criteria easily for their set ups. So both systems are more then adequate to meet this design criteria and you shouldn't have any issues here.

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