C-Class (W203) 2001-2007, C160, C180, C200, C220, C230, C240, C270, C280, C300, C320, C230K, C350, Coupe

Sprint Booster Scientific Review !

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Old Feb 2, 2009 | 04:28 PM
  #76  
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RHD C200 Sport Coupe, RHD SLK-55, LHD SLK-350
Gah - so I though this was dead ages ago?! They also make "AMG" versions as well. Despite what anyone that owns one wants to believe or anyone who makes or sells one will tell you, it's nothing more than a faster push down on the pedal.

I can prove that to you in the from of an output graph from an HP o-scope if anyone really wants to delve into it, but hey, the guy who did the PDF has done the exact same, and no one who owns one believes him! :-)

I still regret not tearing the damned thing apart as well - I think he's spot on with a dual op-amp, a couple of resistors, and some really great marketing.
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Old Feb 2, 2009 | 04:41 PM
  #77  
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03 c320 coupe
Originally Posted by SickSpeedMonte
I'm going to have to look into amplifying the brake booster output somehow (is it vacuum operated on these cars too?) and sell the gadget for hundreds of dollars. You wont believe how much better your car will stop...




Originally Posted by UK-C200
They also make "AMG" versions as well.
yeah, so basically u can improve the work of one of the best tuners in the world, for 300$ and less (worth of 5 to 25$)..... very funny
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Old Feb 2, 2009 | 05:18 PM
  #78  
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Originally Posted by SickSpeedMonte
....I'm going to have to look into amplifying the brake booster output somehow (is it vacuum operated on these cars too?) and sell the gadget for hundreds of dollars. You wont believe how much better your car will stop...
We already have that as a safety feature, it's called Brake Assist (BAS)! I've never activated it but it's supposed to be scary because the pedal leaves your foot and goes almost to the floor. How about a mechanism that tilts the driver's seat back slightly when you accelerate giving you the feeling of better acceleration in your butt dino? :-)
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Old Feb 2, 2009 | 05:51 PM
  #79  
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Originally Posted by UK-C200
I still regret not tearing the damned thing apart as well - I think he's spot on with a dual op-amp, a couple of resistors, and some really great marketing.
& we hope it is actually a dual op-amp!
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Old Feb 2, 2009 | 07:07 PM
  #80  
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Originally Posted by Glyn M Ruck
& we hope it is actually a dual op-amp!
This is what I went on about in my last post, probably one of the most important things in this entire thread considering the safety factor, but no one seems to be interested in that.

I think this stuff is above certain peoples heads because they just don't seem to be grasping the facts here. A shame really.
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Old Feb 2, 2009 | 07:38 PM
  #81  
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Originally Posted by acr2001
This is what I went on about in my last post, probably one of the most important things in this entire thread considering the safety factor, but no one seems to be interested in that.

I think this stuff is above certain peoples heads because they just don't seem to be grasping the facts here. A shame really.
'tis very true, and an assumption on my part - and you know what that means!
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Old Feb 23, 2009 | 03:02 AM
  #82  
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03 c320
Originally Posted by valexv
and you know why, because of experience. growing you you learn that slamming any part of you body between two hard objects will result in pain, also if even punched, kicked, or anything else to your ***** with force will hurt. that's why you don't need to slam them to find out if its true or not. Without all the past experience in pain you wouldn't come to that conclusion and that's why the people that don't feel pain do **** like that to try to find out what will hurt them. Even tho the paper tells them its suppose to hurt, to them it doesn't.

At first I wanted this item for a mod but after a while i figure that an ecu tune after other mods will reduce the lag and changed my mind but some members have tunes and still have the booster on. The only why to truly find out if the said person would to try it out for themselves. Just stating that without actual use of this item and experience, it's hard to debate.


This is a discussion on whether this mod actually works or not, let's try to keep the stupid remarks to yourselves.

Gly unfortunately the US cars are tuned a little different from yours, so your car might not need it. I am not sure and maybe this area is no different in throttle response.

With all this said I think i will hold off until I am able to try this out or if there is no other mod to do.
quick question, I always wonder if it is bad to use sprint booster and si tune together? My pedal actuator blew out, and I dont know if this is the reason or not. So right now, I took off my SB.
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Old Aug 6, 2013 | 07:20 PM
  #83  
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2004 c320
why do these things cost so much? all it is transistors and a couple of wires. it should be to hard to crack. someone with the elec background.
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Old Aug 6, 2013 | 11:27 PM
  #84  
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It is not hard to crack. It is a simple analog to PWM converter. By setting the PWM frequency you can use it as a gain stage. Industrial motors have used this for decades. The PWM signal is fed to a digital to analog converter to send 0-5 volts on to the car. I realize this explanation means nothing to people not practiced in the electrical arts and sciences.

The best way to convey an electrical function to a broad audience is to describe a mechanical analog.

I'll do my best. Imagine you install the tow hook on the front of your car, and loop a stout rope from the tow hook up over the hood and in through the open sunroof. While accelerating reach up and grasp the rope. Pull hard. See how much faster you are going?

I just saved you $300, less the cost of the rope.
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Old Aug 7, 2013 | 08:40 AM
  #85  
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2004 c320
ha ha - I am elect. dumb.
if someone read this would they be able to do it?
step by step instructions - I would consider doing this
I have a 2004 c320
this is like I want to install a exhaust cut-out. but I want it to open futher as I press on the gas; but, not below 2,500 RPM's
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Old Aug 7, 2013 | 11:56 PM
  #86  
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If you dont have one...how do know? How do you describe the color blue to a blind man?

Don't criticize what you haven't tried. I've got a Eurocharged ECU tune first. Drove it two days, then installed SB,.and could tell the difference. The point is, I knew the ECU would increase HP and Torque which was noticeable; but also wanted to experience before I installed the SB to confirm if the product is legit. The seller of SB had.a 30 satisfaction guarantee policy if I remember.

Yes it makes the car more alive...throttle response is awful quick. [2012 E350 Coupe 7 speed,.Paddles,.Eurocharged Stage 1,.SB, K&N] Kicks ***. Clear difference... But don't believe anyone or me...just keep mashing the pedal further, faster, harder you'll get the same result... Ya.
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Old Aug 8, 2013 | 11:00 AM
  #87  
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2004 c320
Originally Posted by sinape62
If you dont have one...how do know? How do you describe the color blue to a blind man?

Don't criticize what you haven't tried. I've got a Eurocharged ECU tune first. Drove it two days, then installed SB,.and could tell the difference. The point is, I knew the ECU would increase HP and Torque which was noticeable; but also wanted to experience before I installed the SB to confirm if the product is legit. The seller of SB had.a 30 satisfaction guarantee policy if I remember.

Yes it makes the car more alive...throttle response is awful quick. [2012 E350 Coupe 7 speed,.Paddles,.Eurocharged Stage 1,.SB, K&N] Kicks ***. Clear difference... But don't believe anyone or me...just keep mashing the pedal further, faster, harder you'll get the same result... Ya.

people make fun of what they do not understand
this is not rocket science. just look at it - nothing but transistors. there is no programming. just plug and play.
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