C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Gas Pedal Mods

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Old Nov 3, 2021 | 12:10 PM
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Default Gas Pedal Mods

What are the best options for improving the gas pedal? It's narrow and short, pivoting in the middle, so it's difficult to heel toe consistently.
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Old Nov 3, 2021 | 02:49 PM
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https://getyarn.io/yarn-clip/df50475...f-8d26fa80c328
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Old Nov 3, 2021 | 06:59 PM
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Originally Posted by AZSP33D
What are the best options for improving the gas pedal? It's narrow and short, pivoting in the middle, so it's difficult to heel toe consistently.
I hear you. I have to awkwardly use my heel on the brake and toe on the accel pedal. I’m decent at it but you lose finesse on the brake where you need it. I would think if I was really slamming the brake I could do it the right way but that’s not a good plan.

I saw someone somewhere mention they added thickness to the accel pedal to bring it more even with the brake and apparently that worked. I believe the person 3D printed this thicker pedal (not sure if it sandwiched on top or replaced).

it’s obvious the primary target market in the cockpit was not manual transmission lovers (cup holders and reverse or 6th gear lol).

Last edited by pedricd; Nov 3, 2021 at 07:00 PM.
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Old Nov 3, 2021 | 07:03 PM
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Originally Posted by pedricd
I hear you. I have to awkwardly use my heel on the brake and toe on the accel pedal. I’m decent at it but you lose finesse on the brake where you need it.
Same. I do it the same way. Don't love it. But it mostly works.
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Old Nov 3, 2021 | 09:51 PM
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https://www.corvetteforum.com/forums...-shifting.html
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Old Nov 8, 2021 | 01:30 AM
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Thanks for that, watched the video... funny I also have a Porsche 944T same as mentioned (which is easy to heel toe but the transmission isn't nearly as good as the ZF BTW).

There's probably a saying that applies here like beggars cant be choosers, but that big spacer flopping around on the gas pedal wasn't too impressive. I'll have to come up with something.
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Old Nov 8, 2021 | 09:43 AM
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Could you make a spacer that bolts under the pedal mount, which would both move the entire pedal assy closer to your foot AND fulcrum the pedal pad up toward your foot also?
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Old Nov 9, 2021 | 08:30 PM
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I heel-toed my 86 C4 and a 90 C4 ZR1 with no effort. It works fine if you put the left half of your right foot on the brake pedal and the right half of the foot on the gas pedal. When you want to blip the gas you can roll your foot sideways to the right and smoothly blip the gas while maintaining or even increasing brake pressure. Simple and much easier than trying to use your heel on one pedal and your toe on the other even on cars with pedal spacing that permit that. The problem with using the heel is the only way to move it is to move the leg. Using the ball of your right foot on the pedals keeps most movements restricted to the much more flexible foot.

From the BMW Better Driver Handbook produced back in the 1990s.



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Old Nov 14, 2021 | 08:45 PM
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^this
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Old Nov 14, 2021 | 09:31 PM
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So heel toe works great on my other car, and some of the dozens of previous non Corvettes.... My foot is very flexible and coordinated in that direction, but for this car it’s imprecise at best with the side of the foot for this setup... that’s what I’ve been doing but since the brake pedal is above the gas pedal... and the gas pedal has a pivot in the center, it flops if you get it above the pivot. May just need to be fixed so it doesn’t pivot and has a little bit wider and closer pedal cover of some sort. I have a second pedal assembly to try to fabricate a workable situation so that I can brake and downshift smoothly.
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Old Nov 14, 2021 | 09:40 PM
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Not for me. Tried it Friday (after reading this thread) when I took the 'Kart to the dyno....my foot simply isn't wide enough to be on the brake and the gas.
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Old Dec 9, 2021 | 12:20 PM
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Originally Posted by AZSP33D
So heel toe works great on my other car, and some of the dozens of previous non Corvettes.... My foot is very flexible and coordinated in that direction, but for this car it’s imprecise at best with the side of the foot for this setup... that’s what I’ve been doing but since the brake pedal is above the gas pedal... and the gas pedal has a pivot in the center, it flops if you get it above the pivot. May just need to be fixed so it doesn’t pivot and has a little bit wider and closer pedal cover of some sort. I have a second pedal assembly to try to fabricate a workable situation so that I can brake and downshift smoothly.
I've been thinking about this, and I think the solution is to extend the brake p[edal 4-6 inches where you can put your heel on the brake and toes on the throtle.
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Old Dec 9, 2021 | 01:21 PM
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Originally Posted by 64Scout
I've been thinking about this, and I think the solution is to extend the brake p[edal 4-6 inches where you can put your heel on the brake and toes on the throtle.
That’s how I do it now without mods. You want the reverse: toe on brake heel blipping throttle (or even better able to rock/rotate your whole foot to the right and blip). Reason being is you want your fine tuned and higher force control on the brake, accel pedal is just a rough blip.

There are YouTube videos out there showing proper techniques.
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Old Dec 18, 2021 | 02:26 PM
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Originally Posted by pedricd
That’s how I do it now without mods. You want the reverse: toe on brake heel blipping throttle (or even better able to rock/rotate your whole foot to the right and blip). Reason being is you want your fine tuned and higher force control on the brake, accel pedal is just a rough blip.

There are YouTube videos out there showing proper techniques.
If you put your toes on the brake, heel on gas, you are going to lose a lot of braking force and endup awkwardly revving trying to just blip the throttle.
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Old Dec 18, 2021 | 02:49 PM
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Old Dec 18, 2021 | 03:07 PM
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UUMMM? buy an automatic?
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Old Dec 18, 2021 | 05:32 PM
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Why....does that rev match shifts?
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Old Aug 24, 2022 | 12:51 AM
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Took me a bit to get around to it but I made an improvement. The gas pedal is very flimsy relative to the pedal stalk, so I can’t say I’m very happy with it, but I can make it work now. Picture also compares the P951 gas pedal cover which is the same size as the Gas pedal on that car, hinge affixed to the floor along the bottom edge, and I’m mentioning it as heel toe on that car is very satisfying. So for the C4 I wanted to extend it inboard and further down. If you have carpet, it would need to be shorter at the bottom, because it almost hits the floor board as of right now. My thinking is that the ball of the foot should be on the brake pedal for best control/feel, and the right side of the foot and heel are rotated towards the gas to extend the heel towards the gas giving it a quick stab with the mid to lower section. Brake pedal is firm and brakes are very agressive so it takes some concentration to modulate accurately.






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