Hi folks!
Love the site. I've had my Smart since early February and I love it. I just had Smart Madness install a Sprint Power Booster in my car, and I wanted to tell anyone who might be interested that it really, truly, woke the car’s performance up!!
For those who may not be aware, the Smart car uses throttle by wire instead of a traditional throttle cable from the pedal to the throttle body. The butterfly in the throttle body opens and closes with an electronic servo that picks up a low voltage signal from the throttle pedal.
The Sprint Power Booster adds additional voltage to that signal which eliminates 99% of the throttle response lag that occurs when you push the accelerator pedal down.
Even though the device does not change or re-flash the engine management computer, since it’s installation the car responds better, shifts quicker, and it takes much less throttle pedal input to get the car moving from a dead stop. Additionally, because of the aforementioned performance changes, the car performs like it’s had an additional 5 to 6 H.P. added to it. The most noticeable change that happened is when I’m climbing a hill. Before, going up a hill in third gear required a significant amount of pedal input to get the transmission to shift down into second, but now that same task only requires about ¼ throttle input and the transmission kicks down into the lower gear with very little lag time.
I highly recommend this device, and once you install one on your Smart, you will also recommend one to other owners too.
In conclusion and for the record, I do not work for Sprint or Smart Madness; I just wanted to share information about this wonderful device with fellow members and owners who might be interested in improving their car’s performance.
The Following User Says Thank You to Two Butts For This Useful Post:
If it's anything like the Mini application, it will decrease it. The Power Booster electronically removes the resolution (perceived as delay) from the throttle circuit. I was loaned one last year for our Cooper, and found that its action is as described, but it turned the throttle into an on-off switch. It made intermediate throttle settings hard to find, and ended up decreasing the mileage 2-3 mpg. It also made rev-matching with the manual transmission difficult, although that doesn't apply to the fortwo.
Fortunately it was loaned to me by someone trying to get rid of it so I didn't make an investment.
Which version of the Sprint Power Booster did you install?
We stock 3 versions (1,2 and 3) and we installed version III in his car. We typically install Version III for those customers that drive their smart like a little go cart. Since "two butts" owns several other high performance cars this seemed like the best choice for them and they agreed.
For most we would recommend going with version II. We have completely sold out of our first three shipments, but more are on the way. We will have all three versions back in stock by Monday. However, we will be closed for the holidays. We will reopen on Monday, the 5th. If anyone is interested in placing an order you can still do so on our website and we will be shipping everything out on the 5th and 6th.
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