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A body T56 clutch pedal travel

Old 06-25-2016, 12:11 AM
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Default A body T56 clutch pedal travel

Curious as to where people are putting bumpers to prevent having too much pedal travel. I'm not really sure how to know how much travel I need or where to weld in a stopper. I've seen it mentioned in threads in passing but was hoping someone might have pictures of what exactly they did and how they determined where.
Thanks in advance
Old 06-25-2016, 09:54 AM
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Every setup is a little different, but once everything is installed you'll be able to push the clutch pedal until it stops. Have someone take a measurement from the arm of the clutch pedal to the closest spot on the floor. You can weld a threaded tube or deep threaded nut to the arm. I have used a hood stop bolt with the bumper and just adjust it so the pedal stops just a tad before the clutch stroke bottoms out. I have also seen an adjustable stop installed on the floor. I just didnt want mine visible so I put it on the pedal.
Old 06-25-2016, 10:56 AM
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Seems easy enough, thanks for the input. So assuming I use at least a basic amount of common sense, when pushing it down all the way to determine the travel there isn't any risk in going to far and blowing a seal or gasket or anything? I have an extra master sitting around, but I don't want to break anything during the dial-in phase.
Old 06-26-2016, 09:52 AM
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Default Pedal Stop

I think I posted this info before. I used a hood bumper with a tab welded to the pedal. I just mock it up to find where the pedal arm would touch the floor board and marked and welded the tab for the stop.

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You just need to make sure your Master has the correct travel.. just a hair short of 1"(if using a OEM 4th Gen Master).
What I did for the tab for the master rod, I mounted the pedals up, used a vise grip to hold the tab in placed. Then moved the tab around until I got the correct travel by re-clamping the tab and vise grip. Once it was good, I took it out and welded it in place.

BC

Last edited by bczee; 06-26-2016 at 09:58 AM.
Old 06-26-2016, 03:24 PM
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Cool, thanks for the pics, I haven't welded anything yet but think I can handle that. Hood bumpers seem to be the way to go, I'm willing to bet I have a couple in the garage already.
At the time I was buying parts I didn't have a welder, so I bought the McLeod pedal that already has the tab in the right place.
Old 06-27-2016, 08:41 AM
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Here are a few pics of my set up. I put the stop up near the top, think I stole that idea from someone on this forum.....

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Old 06-27-2016, 07:46 PM
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The threaded base with bolt is a nice way to do it, since you can always adjust the travel if needed.
Old 06-30-2016, 11:09 AM
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Originally Posted by Agwrangler01
Here are a few pics of my set up. I put the stop up near the top, think I stole that idea from someone on this forum.....







Mine is very similar to this setup. I have over 23,ooo miles on the car now, its been awesome.
Old 07-06-2016, 11:22 AM
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Did anyone add a switch of any sort to make the pcm think you're in neutral? Or is that a thing to worry about? I guess in switching from auto to manual I'm not sure how the computer knows the car is in neutral so it will start.
I was thinking maybe a starter relay ground switch on the pedal, what did you guys do about this?
Old 07-06-2016, 01:22 PM
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I never added anything to mine, but it never had one from the factory either. I just make sure I have the clutch in or double check that I'm not in gear.
Old 07-06-2016, 03:48 PM
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Originally Posted by 1964SS
I never added anything to mine, but it never had one from the factory either. I just make sure I have the clutch in or double check that I'm not in gear.
Same here, no starter interrupt feature.
I did wire up the reverse lockout, back-up lights, and vehicle speed sensor.
Everything works fine.
Old 07-06-2016, 07:33 PM
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I would definitely wire in a NSS, we all know that we sometimes get into a rush and try and start a manual car while it is in gear, and then remember to push in the clutch pedal after it wouldn't crank over, if you have driven manual cars long enough you have or eventually make that mistake and about **** your pants if it starts due to a bypassed or non-existent NSS and lurches forward and hopefully doesn't go through a garage door or hit someone before you can hit the brake.

With that said my 69 chevelle 4 speed came factory with a NSS mounted to the clutch pedal all it does is interrupt the large purple wire that is the starter signal wire that goes to the starter solenoid. I ordered another switch from one of the parts houses and adapted it to the pedal on my 1966 GTO. You don't want to take short cuts with safety items like a NSS.

Last edited by lizeec; 07-07-2016 at 08:22 AM.
Old 07-06-2016, 08:23 PM
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Adding a physical switch doesn't seem like it would be too difficult then, I just wasn't sure if that would suffice or if the pcm was expecting to see some sort of signal telling it the car was in neutral.
Old 07-07-2016, 08:47 AM
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I never installed the NSS on my Chevelle (with T56), 10+ years without any problems.. I've been driving cars without one for 45+ years without one.. why start now LOL....

I did add one to my Nova which is a 4L60e auto. Wasn't to hard.

BC
Old 07-07-2016, 10:01 AM
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Originally Posted by lizeec
You don't want to take short cuts with safety items like a NSS.
On an automatic I would agree. On a manual car it is a matter of preference and not a short cut. Hell anything older then mid 60's never had them anyway.
Old 07-07-2016, 08:42 PM
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Originally Posted by 1964SS
On an automatic I would agree. On a manual car it is a matter of preference and not a short cut. Hell anything older then mid 60's never had them anyway.
With that logic cars before the mid 60's never had a NSS and we're not necessary is the same as saying cars from the early 50's never had seat belts and they are not necessary either.


Originally Posted by bczee
I never installed the NSS on my Chevelle (with T56), 10+ years without any problems.. I've been driving cars without one for 45+ years without one.. why start now LOL....

I did add one to my Nova which is a 4L60e auto. Wasn't to hard.

BC
I have several classic gto's and chevelles and (2) are automatic and (2) are standard, in both the gto's and the chevelle I have one automatic and one standard, so maybe I'm old but sometimes I forget which car I am in.
It only takes one accident and somebody getting seriously hurt to make you change your opinion on safety related items. I know whenever I park my manual car I always leave it in either 1st gear or reverse gear and usually with the park brake applied, but not always if I'm on a level surface, so starting a car with a manual transmission in gear without a NSS it will definitely jump forward, if you have been driving a manual car for that long I find it hard to believe you've never tried to start it and remembered you had to push in the clutch pedal to start the engine, if it was equipped with a NSS. On the flip side if you have been driving a manual car that long without a NSS that you've never tried to start it accidentally while it was in gear and have the car lurch forward?

Last edited by lizeec; 07-10-2016 at 05:10 PM.
Old 07-08-2016, 11:04 AM
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I prefer not having a clutch safety switch because I like starting the car in neutral. Just a preference.

Andrew
Old 07-08-2016, 02:08 PM
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After thinking about it a bit I might just add a simple toggle switch for the NSS and use one of these delay timers for the reverse lock out. The camaro console has a traction control button that looks like it could be repurposed fairly easily.
http://www.ebay.com/itm/Cycling-Dela...YAAOSwnipWXkx8

What this does around the 11:30 mark is sort of what I was thinking, push the button and have X number of seconds to put the car into reverse.
www.youtube.com/watch?v=GXCvPdCEKOM Multi-functional Timer trigger configuration - YouTube
Old 07-08-2016, 02:44 PM
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If your harness still has the pin out and sensor for reverse lockout, the PCM should energize the lockout solenoid when the speed is below like 2 or 3 mph I think. It reads this from the VSS, as I understand it.

I just plugged mine in and it worked fine. It's a nice feature to have functional.


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