Here's my view of why someone would choose a remote mount over a traditional turbo system.
1. Cost - if a front mount kit is available, it generally costs more money and will cost more to install. I've searched around a little bit and the only turbo system I could find for the H2 was one in R&D that was selling for $10,500. Generally turbo systems are custom jobs that cost a ton of money.
2. Heat - The other downside of a custom front mount kit is that it is difficult to find a location where the glowing turbo won't melt other components in your engine compartment. When we visited with Kenny Duttweiler he said that many times he's seen people melt the fluid container for the master and get brake fluid everywhere.
3. Emissions - it is more difficult to pass emissions with the turbos in front of the cats. They take heat away from the cats, so the cats take longer to fire up.
In terms of performance I don't have any data of our system vs. a front mount. We generally get just as good of gains in horsepower and torque and we get full boost by 3000 rpm. The H2 engine is pumping out a lot of exhaust gases. When you turn a hose on that is full of water, water immediately starts coming out the other end. It is the same with air. When we did the calculations it takes about .05 seconds to move enough air to charge the intake pipe on a v8 engine. I'll try to get some of our customers to post on the board. Lag is just not an issue, especially with such a big, heavy vehicle. People like to debate this forever and start going back to their physics classes, but the bottom line is that it works.
If you've got a ton of money, time and willingness to do a custom setup then you'll be happy with a front mounted system. If you want to get the best value for horsepower then you can't beat our system.
Hope that helps!
Ben
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