944Hybrids: 924/944/968 and 928 V8 Conversions
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HOW TO DO AN ADVANCED SEARCH.

Mon Jul 08, 2013 3:56 pm by Admin


For the benefit of 944Hybrids users there are two search functions available for you to use.
The purpose of this sticky is to explain the "Advanced Search" function because it is much more powerful and is the best choice when researching information.

When you log on to the site a list of options is shown in a line at the top of the page. One option is labelled "Search", use this option (NOT the search box lower down on the right).

After you click on the upper search option, a drop down box appears. At the bottom of this box is a radio button marked "Advanced …

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Using a Corvette pedal with a GTO setup

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Using a Corvette pedal with a GTO setup Empty Using a Corvette pedal with a GTO setup

Post  ausgeflippt951 Wed Mar 16, 2016 7:16 am

Just for the sake of posterity, I thought I'd post up and state the correct wiring required to use a C6 Corvette pedal (2005-2011) with a setup using an E40 ECM and TB from a GTO (LS2 using drive by wire).

Many have said it won't work, which I'm happy to report is not true.  

There are two distinct advantages in using a Vette pedal over the GTO unit:

  1. Form factor: the Corvette pedal fits higher under the dash, allowing more flexibility w.r.t. pedal travel and adaptation to the stock 944 pedal assembly.
  2. Availability: these pedals are notorious for going bad with little more than a stern look.  The GTO pedals are NLA (backorder indefinitely) and they are virtually nonexistant at salvage yards.  The Corvette pedal, on the other hand, was manufactured from 2005-2011 and are still being produced.



Without further ado, the wiring:

A-BROWN

B-DARK BLUE

C-WHITE

D-TAN

E-LIGHT BLUE

F-PURPLE
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Using a Corvette pedal with a GTO setup Empty Re: Using a Corvette pedal with a GTO setup

Post  erioshi Wed Mar 16, 2016 5:50 pm

Unfortunately your pic doesn't seem to want to show up for me.  Three different browsers and no luck.  Even native IE doesn't see it.
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Using a Corvette pedal with a GTO setup Empty Re: Using a Corvette pedal with a GTO setup

Post  ausgeflippt951 Mon Mar 21, 2016 2:59 pm

There wasn't actually a picture. Just a list of the pinout wires, A-F.

This is the pedal I used:

http://www.amazon.com/ACDelco-25835421-Original-Equipment-Accelerator/dp/B010GN3SRC/ref=sr_1_1?s=automotive&ie=UTF8&qid=1458590283&vehicle=2005-47-440-20--7-6-7-8067--3-1-2392--5-0&sr=1-1&ymm=2005%3Achevrolet%3Acorvette&keywords=accelerator+pedal+position+sensor
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Post  Sterling Doc Mon Mar 21, 2016 3:13 pm

Thanks,

I'm looking into doing this, but converting from a cable throttle body 5.7 GTO motor. Does the LS2 computer plug into the older wiring harness? I assume I'll need to run extra wires for the throttle body.

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Using a Corvette pedal with a GTO setup Empty Re: Using a Corvette pedal with a GTO setup

Post  ausgeflippt951 Mon Mar 21, 2016 3:38 pm

Sterling Doc wrote:Thanks,

I'm looking into doing this, but converting from a cable throttle body 5.7 GTO motor. Does the LS2 computer plug into the older wiring harness? I assume I'll need to run extra wires for the throttle body.

I don't think so -- I believe the plugs at the ECM are different.

You need to make sure you have an ECM, TB, and pedal that are all compatible with DBW. In my case, I'm running an E40 ECM/TB from a 2006 GTO, but the more plentiful option would be an E38 ECM/TB from the same gen Corvette.
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Using a Corvette pedal with a GTO setup Empty Re: Using a Corvette pedal with a GTO setup

Post  superman22x Fri Apr 01, 2016 11:18 am

Do you have any pictures of how you mounted the pedal? I'm using the same pedal and not sure if my mount is going to be in a good location until I drive it...

It will be nice when the 6th gen stuff is available. The Camaro Pedal mounts to the floor like the porsche style pedal. So it might be a really simple swap for the same ergonomics.

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Using a Corvette pedal with a GTO setup Empty Re: Using a Corvette pedal with a GTO setup

Post  ausgeflippt951 Mon Apr 04, 2016 4:40 pm

Sure -- I'll try to take a better picture but here's what I've got handy at the moment.

Essentially, I used the original throttle pedal mount as a base for the adapter plate I welded up.  There is a tab where a rubber stop sits (on the bottom of the sheet metal) that needs to be cut off, so as to allow for a flat surface.

The sheet metal already has two holes in it -- these are my mounting holes.  I then took some 16ga sheet metal and bent it to make a triangular platform for the pedal -- to help allow the pedal to sit more vertically (since the sheet metal on the 944 would cause the pedal to cant downwards too much).

Welded a couple studs to the mounting plate and secured the mounting plate to the normal holes in the sheet metal with some lock nuts.  


One thing to note: do NOT weld on the pedal itself; you'll fry the potentiometers.  To get around this, I cut the pedal off the 'Vette pedal and then drilled a couple holes, on which the 944 linkage would bolt.  This also served double duty as an adjustment point -- so that I can adjust heel-toe at both the brake and throttle pedals.


The result is quite rigid actually. You'll notice some excess sheet metal on the mounting plate I made; this was needed for the GTO pedal but not used for the Corvette pedal. I just didn't bother cutting it off.

Using a Corvette pedal with a GTO setup 20160310
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Post  superman22x Tue Apr 05, 2016 10:22 am

Oh, that's a good idea. I didn't want to modify the vette pedal in case I needed to replace it. I may put the stock pedal back in once everything is working.

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Post  kevin924kevin Tue Apr 05, 2016 10:25 am

Using a Corvette pedal with a GTO setup 20160210
My car uses the vette pedal as well. Mounting was a breeze.
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Post  FrostedFlakeJake Tue Apr 05, 2016 12:02 pm

This is good to hear. I have to fab a pedal into my car and was concerned that it might take a while

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Post  superman22x Tue Apr 05, 2016 12:10 pm

FrostedFlakeJake wrote:This is good to hear. I have to fab a pedal into my car and was concerned that it might take a while

It's not fun, that's for sure. Everything under the dash is not fun. Not too difficult at least.

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Post  kevin924kevin Tue Apr 05, 2016 1:18 pm

It took me not even 30 mins to install. I will get a side shot. There is one tubular shim about an 3/4 " long, to set my pedal.
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Post  ausgeflippt951 Fri Apr 08, 2016 2:37 pm

Kevin, I'd also like to see the side shot.

My primary concern when doing the pedal was making it as rigid as possible -- I hate the way floppy pedals feel.
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