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Supporting Tuner
Join Date: Jan 2006
Location: The best is yet to come :)
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Quote:
Originally Posted by Dave@ddmworks
You do bring up a good point, fortunately Matt does not have to worry about CARB up in Michigan which allows him some more options than what you have currently living in California. At the end of the day we are here to offer you guys options for making your Solstice more enjoyable, which kit is better for you? That really depends on what criteria you set. If making the absolute highest horsepower on a dyno is your thing, our kits are not for you. We put emphasis on daily driving and where people spend 95% of their time driving. Things like throttle response, drivability and dependability are the most important things to us and what we focus on.
Unfortunately for you, in California your only choice right now is the Naturally Aspirated 2.4L or the GXP, and in your same position I would have probably picked the GXP. I have always liked turbos, they are a lot of fun and I have really enjoyed driving different turbo cars we get in here over the years. A 1.8L Miata with a small GT2554 drives almost like a supercharger, very fun indeed. With the GXP, GM did a good job at minimizing lag inherent with all turbos by using a properly sized turbo, a dual scroll set-up, etc. The aftermarket kits that are out there now have not caught up yet and still continue to use older less expensive turbo's which offer great bang for the buck and are hard to beat for all out power to the wheels(except nitrous, but that is a completely different thread), but give up spool time and throttle response as a compromise. When you look at the dyno plots of a GXP vs. aftermarket it is amazing how much faster the turbo comes in on the GXP.
With your car you will have torque 1000 RPM's sooner than you would have with an aftermarket turbo, pretty impressive, like I said I would have picked the GXP. 
To date there are only a few that have experienced our intercooled supercharger set-up, but a Sky Redline owner that recently did, and thought that his car with an intake, exhaust and wastegate mod had no lag, well, thought differently after a test drive. The power on the supercharger hits hard when you floor it, like no turbo ever can. Also consider that the early supercharged kits that are non intercooled, that put down 190-195HP at the wheels are running essentially the same time in the 1/4 mile as a stock GXP putting down approx 25 more HP and you start to see that ultimate horsepower does not always win you the race.
Since the thread was originally about the Mallett vs. the DDM, the Centrifugals are another story all together and really work well on larger displacement V8's, but as you can see from the comparison earlier, the power under the curve on them is not the best. Then again we have done a centrifugal on a 2.0L and it was still more fun than stock.
In the end, hopefully we can supply you with whatever it is that makes you enjoy your car more. Bench racing is meaningless and until you actually put the two cars up against each other you will never know who is really quicker, even then there are so many variables that can change the outcome. What would be cool though, is setting up a drag strip night at Nationals for something like this, hmmmm....... 
As my company's name is shown in the dyno graph above, is is safe to say that the concept of 'equal time' would justify a response to your post, Dave?
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Bill Hahn Jr., Hahn RaceCraft, Inc.
Home of the World's Quickest and Most Powerful Solstices
First to the 14's, 13's, and 12's in the 1/4 Mile
12.00 @ 117 MPH Street Solstice World Record
Hahn RaceCraft, Inc.
Turbocharging GM's since 1988
http://www.turbosystem.com
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