Anyone using :Corvette Throttle Performance Switch
Safety Car
Joined: Jul 2008
Posts: 3,966
Likes: 4
From: Made In America
St. Jude Donor '10-'11
It's crap. They wear out within a year. They do give better SOTP feel but only because it fools the comptuer. It gives no real power back. Ask me how I know. Save it and put it towards something else. A aftermarket tune would give you better SOTP and hp than that piece of garbage and isn't much more. I threw mine out along with the air foil, K&N filter, and all that other snake oil they tricked me into buying years ago.
Safety Car
Joined: Dec 2006
Posts: 4,290
Likes: 6
From: St Marys GA
All it does is give more throttle to the engine than you give to the pedal. So you give 60% on the pedal, and it gives the engine 90%. No gians at WOT, and actually takes away throttle modulation from you, since you now have a harder time specifying specific throttle angle.
Safety Car
Joined: Jan 2008
Posts: 3,939
Likes: 1
From: Vero Beach Florida
It's crap. They wear out within a year. They do give better SOTP feel but only because it fools the comptuer. It gives no real power back. Ask me how I know. Save it and put it towards something else. A aftermarket tune would give you better SOTP and hp than that piece of garbage and isn't much more. I threw mine out along with the air foil, K&N filter, and all that other snake oil they tricked me into buying years ago.
Team Owner
Joined: Aug 2005
Posts: 34,988
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From: Riverside County Southern California
Co-winner 2020 C4 of the Year - Modified
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St. Jude Donor '09 thru '20
It is related to the airfoil and has the same DNA.
Krap, Crap, Qrap
Krap, Crap, Qrap
Burning Brakes
Joined: Jun 2001
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From: Columbia South Carolina
tankman
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Race Director
Joined: Apr 2003
Posts: 17,698
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From: moraga ca
All it does is give more throttle to the engine than you give to the pedal. So you give 60% on the pedal, and it gives the engine 90%. No gians at WOT, and actually takes away throttle modulation from you, since you now have a harder time specifying specific throttle angle.
Safety Car
Joined: Jul 2008
Posts: 3,966
Likes: 4
From: Made In America
St. Jude Donor '10-'11
I think he means it fools the computer into thinking your giving itm ore throttle than you really are....
I still stand by what I said. Junk. Thank the Chinese for that one.
Race Director
Joined: Apr 2003
Posts: 17,698
Likes: 1,667
From: moraga ca
Safety Car
Joined: Jul 2008
Posts: 3,966
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From: Made In America
St. Jude Donor '10-'11
Team Owner
Joined: Feb 2006
Posts: 24,460
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From: sw Ohio
By "fooling" the ECM into thinking theres more throttle its not actually opening the throttle body blades any more than what your foot is telling it to. The ECM just advances fuel/air flow readings to the increased level, not the throttle itself.
Le Mans Master
Joined: Aug 2004
Posts: 5,141
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From: Metairie Louisiana
Safety Car
Joined: Jan 2008
Posts: 3,939
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From: Vero Beach Florida
Racer
Joined: Nov 2005
Posts: 456
Likes: 3
From: Sumner Texas
As beat to death here, the gadget simply sends a modified Throttle Position Sensor signal to the ECM. I expect that you would indeed feel a difference, but it would offer no real performance gain as others pointed out.
You can incrementally change the throttle response by adjusting the TPS. Use a voltmeter and make small changes, like about .02 Volts at a time. After a change, drive it to see if you like it. Once you find a setting that feels good to you, write it down where you can find it. Then if you ever have to do any repairs that require TPS readjustment, you will know what to set it to.
Don't expect any Earth shattering difference by doing this. The effect is minimal, but it will probably be as much as you would get with the gadget. Also, just like the gadget, this will not effect WOT performance unless the Voltage at WOT is appreciably changed.
BTW, the comment about such changes only pertain to a drive by wire system is not exactly correct. Although you do have a mechanical linkage to the throttle plate, the TPS is a similar signal since it is, in effect, electrically measuring the position of the gas pedal.
You can incrementally change the throttle response by adjusting the TPS. Use a voltmeter and make small changes, like about .02 Volts at a time. After a change, drive it to see if you like it. Once you find a setting that feels good to you, write it down where you can find it. Then if you ever have to do any repairs that require TPS readjustment, you will know what to set it to.
Don't expect any Earth shattering difference by doing this. The effect is minimal, but it will probably be as much as you would get with the gadget. Also, just like the gadget, this will not effect WOT performance unless the Voltage at WOT is appreciably changed.
BTW, the comment about such changes only pertain to a drive by wire system is not exactly correct. Although you do have a mechanical linkage to the throttle plate, the TPS is a similar signal since it is, in effect, electrically measuring the position of the gas pedal.
