Are the STI Accelerator Pedal (drive by wire) and 06/07 WRX interchangable?

[C.Plavan]

Besides the mounting, are STI and 06/07 WRX pedals interchangeable (Plug & Play?) These are the drive by wire type, not cable throttle.

[JeromeS13]

I would assume that they're nearly identical. Opposed Forces shows a part number of 36010FE020 for the < June 2006 STI models and a 36010FE040 for after June 2006. For the 2006-2007 WRX (non-TR), it lists the same 36010FE040 and a 36010SA060 (for destination codes C0 and U4, whatever that is). For the 2006-2007 TR, it lists 36010SA060.

[Mechie3]

Difference between tr and non tr for the WRX is the TR has a plain black cover the WRX has a fancier aluminum with rubber grip pad cover.

[C.Plavan]

Thanks. I actually found an 2004 STI drive by wire throttle pedal. Just wondering if it would work. It matched my other pedals (aluminum/rubber circles like Mechie describes).

http://i.imgur.com/GUuIn5cl.jpg (http://imgur.com/GUuIn5c)

[JeromeS13]

Interesting. Looks like the mounting is completely different than mine...

[Mechie3]

My wrx one is fully housed in a plastic body. No exposed springs.

[SixStar]

I happen to have both cars. I can check tomorrow.

[icky]

Dbw is my biggest complaint in my forester, I think this is because the factory ecu though, not tb or pedal. Food for thought.

[Mechie3]

It's mostly the ECU. When I had my WRX reflashed I had the tables reprogrammed as well. My mini cooper S has a sport button. Pressing it alters the DBW tables. It's very noticable. In non sport mode, it feels sluggish, in sport mode the throttle response quickly.

[C.Plavan]

I fixed that on my Spyder with a Sprintbooster. Made a big difference. It has an adjustable feature. I keep it on green.

I also pickled up a 07' WRX pedal that looks different than what I have. Just in case. It is shipping from Florida though :( . It is what you guys describe (No Springs showing).

[wleehendrick]

It's mostly the ECU. When I had my WRX reflashed I had the tables reprogrammed as well. My mini cooper S has a sport button. Pressing it alters the DBW tables. It's very noticable. In non sport mode, it feels sluggish, in sport mode the throttle response quickly.

That's good to know, since throttle response is critical for being able to heel/toe easily. In my Z, the throttle is 'touchy', but it's perfect for downshifting throttle blips. In our Audi, the throttle response is slow sluggish, it takes a massive foot roll, which is hard to do without affecting braking. The Audi's softer throttle response works great in the snow, though!

[C.Plavan]

Alright I got the 2007 WRX pedal. It will plug into my 2006 harness, but the mounting plate from FFR is WAY OFF. If I used their mounting plate for the throttle, the pedal is significantly higher and back toward the firewall. WTF? Am I going to have to make my own bracket? Anyone else run into this?

[JeromeS13]

Post a picture of your pedal and mount.

[Mechie3]

I'll look at mine later. I remember in the WRX the throttle pedal not being in a line.

[C.Plavan]

Here are the pictures-
I was just holding it up there trying to get a good picture- It was tough juggling the part and camera. It sits back way too far.

http://i.imgur.com/rzj5Dfal.jpg (http://imgur.com/rzj5Dfa)

http://i.imgur.com/eDHtjmEl.jpg (http://imgur.com/eDHtjmE)

http://i.imgur.com/Pq33uc9l.jpg (http://imgur.com/Pq33uc9)

http://i.imgur.com/71GuC9el.jpg (http://imgur.com/71GuC9e)

[Bob_n_Cincy]

My 06 NA impreza wagon had the plastic version.
My 04 Forester XT had the metal version.
I had the same mounting issue with the plastic pedal. I reshaped the FFR bracket to raise the gas pedal closer to the height of the brake pedal. While racing I often try to push the gas pedal to the floor. In the impreza the floor/firewall acts as the stop. In the 818 the plastic pedal is going to snap off. I have not tried to mount the metal one yet.
Below is a picture of the 818r at the 2012 sema show.
Bob

23799

[Mechie3]

Plavan, mine looks like yours.

[Mechie3]

Is the issue preference of placement, lack of a throttle stop, or inability to reach full travel (or some combo of the above)?

[C.Plavan]

Is the issue preference of placement, lack of a throttle stop, or inability to reach full travel (or some combo of the above)?

Placement and throttle stop. You cant heel toe well with the throttle pedal that much lower than the brake. Pedals should be even. People will also need to add a throttle stop (Plastic gas pedal will break).

Wayne says to mount it straight on the firewall. That would work with the 2004 STI DBW pedal easily (and its metal), not so with the 2006/07 plastic pedal. Its too short. The issue with mounting the 2004 STI DBW pedal is that the electronic plug in connector is different that the 2006 harness plug. The 2004 plug is twice the size that the 2006 plug, but they both have 6 wires. So I'm hoping it is doable by splicing some wires. Who knows.

[wleehendrick]

I fit my throttle pedal today (2006 WRX donor)... it also sits too far back as pictured. What I did was to mount it to the plate, bend the upper tab a bit, and measure how much the bottom need to come out. With a 1 3/8" spacer it will be exactly where I want it mounted to the vertical frame rail. Once I get the extra hardware, I'll mount it sometime over the next couple of days and see how robust the plate is. I may reinforce the bracket and/or add a stop. but at least I know I get get in in a good location pretty easily. I'll put photos up when done.

[wleehendrick]

I fit my throttle pedal today (2006 WRX donor)... it also sits too far back as pictured. What I did was to mount it to the plate, bend the upper tab a bit, and measure how much the bottom need to come out. With a 1 3/8" spacer it will be exactly where I want it mounted to the vertical frame rail. Once I get the extra hardware, I'll mount it sometime over the next couple of days and see how robust the plate is. I may reinforce the bracket and/or add a stop. but at least I know I get get in in a good location pretty easily. I'll put photos up when done.

FYI... I'll probably make the spacer a bit less than I originally posted. I compared the pedal spacing in my Z (which I find perfect for heel/toe operation). The throttle sits a little (~3/4") below the brake/clutch. This is ideal, as it puts the throttle in the same plane as the brake pedal when under braking as it accounts for the free play in the pedal travel. The FFR bracket locates the throttle way too low, but somewhere between that location and flush is where I'll locate mine.

[Bob_n_Cincy]

On my 06-07 kit the gas pedal bracket made the pedal much to low.
I reshaped the bracket per the picture below. A vise grip is mounting it right now. I plan on using the original 2 holes in the bracket to mount it. I will add some kind of pedal stop behind the pedal to prevent it from breaking off if pushed to hard. In the Subaru there is a 1" diameter pedal stop sticking out of the floor that contacts the bottom of the pedal.
http://thefactoryfiveforum.com/attachment.php?attachmentid=23880&d=1386037159

[C.Plavan]

I just finished mounting my pedal. I used a spacer on the bottom to get it out where I liked it (I used my other racecar as a guide). The FFR bracket needs to be designed better, period.

I will also brace it with an additional, removable bracket tying into the main pedal structure. It will make it sturdier for my lead foot.

The next step is to design a adjustable throttle stop. I may go with a simple long bolt, with a double nut for adjustment attached to firewall.

http://i.imgur.com/Q0ltQm3l.jpg (http://imgur.com/Q0ltQm3)

http://i.imgur.com/dwCIvt9l.jpg (http://imgur.com/dwCIvt9)

http://i.imgur.com/ZlVTqdel.jpg (http://imgur.com/ZlVTqde)

[Triathletedave]

Thanks. I actually found an 2004 STI drive by wire throttle pedal. Just wondering if it would work. It matched my other pedals (aluminum/rubber circles like Mechie describes).

http://i.imgur.com/GUuIn5cl.jpg (http://imgur.com/GUuIn5c)

I'm trying to work out the mounting solution for my gas pedal, which looks like this one. Is it possible to even use this pedal? It seems that everyone has switched this type out. My other issue is that the gas pedal mount bracket was back ordered on my kit, plus the pedal mechanism does not match the car's original specs ( Canadian version of the 2005 Impreza 2.5 RS wagon, NA engine). Not sure what to do. Suggestions?

[Bill Waters]

Chad - I take it that you have resolved your problem. I didn't see this thread earlier or I would have offered you the DBW pedal ***'y out of my 2006 WRX donor. I have it if you need it.

Bill.