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Post Info TOPIC: Track Tech requirements for 4spd cars- neutra safety switch?
Ben


- RAMBO -Mill Creek, WASite Administrator

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Track Tech requirements for 4spd cars- neutra safety switch?
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i want to run my car at the track once or twice next year- so starting to contemplate the requirements.

What do people do with non-original 4spds to add neutral safety switches? is something on the clutch pedal (clutch must be in), or is it on the shift rods position?

thnx



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Ben R.

1968 Chevelle 300 - 454 / 4spd



- Beemer Brett - Redmond, WA

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They didn't check last time I went through tech. My tremec has one built into the trans which is nice, but I still didn't wire it in. I would install it on the pedal personally. Here is a picture, apparently factory installation on later models.
www.chevelles.com/forums/33-transmission-driveline/550730-70-4-spd-neutral-safety-switch-install.html



-- Edited by Brettd85 on Wednesday 22nd of November 2017 10:32:52 AM

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Ben


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thanks for the link!
Good pic on there of the 70-72 switch off the clutch pedal. I'll see if i can put together something like that.


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Ben R.

1968 Chevelle 300 - 454 / 4spd



- Beemer Brett - Redmond, WA

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Or a simple bracket with something like this?

pic-015-e1-m249-trig-switch.jpg

or this:

764-80172.jpg 



-- Edited by Brettd85 on Wednesday 22nd of November 2017 11:27:40 AM

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- Erik -
Snohomish, WA


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I actually have a factory '69 Chevelle Clutch Neutral Safety Switch!

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Erik
'69 Chevelle Sport Coupe, EFI355, TH350
'68 Chevrolet C10 Stepside Project, 292, t-56, C4 IRS (project)
'77 Chevrolet K20 Silverado LWB, 400CI, TH400
'91 Chevrolet V3500, TBI Gen V 454, 4L80E, Lifted



- wondah whooooaman-
Colorado Springs


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I had a repop 69 switch and ripped it out.  I've only been checked once and wired the one internal to the TKO.   Modern chevrolet sells the correct switch and pin for the pedal, they weren't available until 69 IIRC.  Hopefully it's a plug and play on yours.



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG



- wondah whooooaman-
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https://www.classicmuscle.com/neutral-safety-switch-12640

Youll need the rod, retainer and bushing that's sold on the next page.  And they even sell the mounting hardware.



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG
Ben


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I have a 68, so not sure what factory stuff woudl work. I'll likely rig up something with a microswitch for when the pedal is pressed.

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Ben R.

1968 Chevelle 300 - 454 / 4spd



- Big George -

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do not think RATVETTE ever had one but a GREAT QUESTION that should be asked/addressed


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- Mike -
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If the car didn't have one from the factory(pre-'69) I've always figured they shouldn't make you modify it to have one...which could be a real pain. I've never been checked.

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- Mike -
Olalla, Wa


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That’s not the point of track safety, the car isn’t stock either. It shouldn’t be too difficult to wire a switch to the clutch pedal.

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- Mike -
Olalla, Wa


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You have to make a mount similar to the brake light braket, but one like this can be wired n.o. Or n.c.
www.psiconversion.com/products/accessories/extras/KIT-1002.html

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- wondah whooooaman-
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cobaltchev67 wrote:

If the car didn't have one from the factory(pre-'69) I've always figured they shouldn't make you modify it to have one...which could be a real pain. I've never been checked.


Unfortunately that's not what the rule book says.  I've only been checked once and warned.  Mine is simple, its on the TKO and plugged into the stock location in the wiring harness with a stock plug.  Ben doesn't have that option (unless he runs a TKO and changes his car into a 69)

I just hope he figures out the switch before he sells it.....biggrin  



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG



- Mike -
Olalla, Wa


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It doesn’t need to be complicated. I might have a momentary switch at home that has a threaded housing. You could mount it through the floor under the pedal and be able to adjust it’s length easily.

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'66 SS Chevelle LQ4/4L80E

'65 Malibu SS (Best of 10.86 @ 125mph 1.51 60')

'65 GTO

Ben


- RAMBO -Mill Creek, WASite Administrator

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I think it should be fairly easy enough to do with a microswitch against the pedal near the rubber stop so it only starts when the clutch is in.

I'll post up again when i start that project.
I have a handful of wiring & underdash projects I plan to do before spring hits and this will be one of them.



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Ben R.

1968 Chevelle 300 - 454 / 4spd

Ben


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gotago wrote:
I just hope he figures out the switch before I have to rebuild my trans again.....biggrin  

 Fixed it for you mark

haha



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Ben R.

1968 Chevelle 300 - 454 / 4spd




- wondah whooooaman-
Colorado Springs


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Ben wrote:
gotago wrote:
I just hope he figures out the switch before I have to rebuild my trans again.....biggrin  

 Fixed it for you mark

haha


 Well played sir!



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG



- Mike -
Puyallup, WA


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After looking at my rule book and also doing some searching I confirmed why I didn't install one years ago.  No mention or requirement per NHRA for a MANUAL TRANSMISSION car having a neutral safety switch, in any class...ever.  Some people report their local track requiring it with added track language rules for a car ORIGINALLY EQUIPPED with one, like Mark's '69 which was the first year for one in a Chevelle. BEN'S CAR IS EXEMPT FROM THAT RULE AS IS MINE.  I am not going to add one either...but I may/most likely add a "Clutch Tamer" device.

Too many people are used to all the rules for automatics and want to apply them to stick cars in my opinion.  I did read the rulebook and have abided by them.



-- Edited by cobaltchev67 on Wednesday 13th of December 2017 04:54:08 PM

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'67 Chevelle -- 383ci, Jerico DR4, S60 3.54

'70 Camaro -- In the works TT 6.0L, 4L80E, 12 bolt ??? ratio




- wondah whooooaman-
Colorado Springs


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cobaltchev67 wrote:

After looking at my rule book and also doing some searching I confirmed why I didn't install one years ago.  No mention or requirement per NHRA for a MANUAL TRANSMISSION car having a neutral safety switch, in any class...ever.  Some people report their local track requiring it with added track language rules for a car ORIGINALLY EQUIPPED with one, like Mark's '69 which was the first year for one in a Chevelle. BEN'S CAR IS EXEMPT FROM THAT RULE AS IS MINE.  I am not going to add one either...but I may/most likely add a "Clutch Tamer" device.

Too many people are used to all the rules for automatics and want to apply them to stick cars in my opinion.  I did read the rulebook and have abided by them.



-- Edited by cobaltchev67 on Wednesday 13th of December 2017 04:54:08 PM


 You may be absolutely right, but if you argue with the tech inspector have the rule book with you and ask him to show you exactly where that rule is.  I've been asked about the switch numerous times at tech and I've always passed when I told then it was a stick car.  it got dicey once at Pueblo and the inspector let me race after a little conversation.  I put one in to stop any future arguments since I dont carry a rule book with me and arguments with tech inspectors usually never end well.



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG



- wondah whooooaman-
Colorado Springs


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Posts: 3373
Date:
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cobaltchev67 wrote:

After looking at my rule book and also doing some searching I confirmed why I didn't install one years ago.  No mention or requirement per NHRA for a MANUAL TRANSMISSION car having a neutral safety switch, in any class...ever.  Some people report their local track requiring it with added track language rules for a car ORIGINALLY EQUIPPED with one, like Mark's '69 which was the first year for one in a Chevelle. BEN'S CAR IS EXEMPT FROM THAT RULE AS IS MINE.  I am not going to add one either...but I may/most likely add a "Clutch Tamer" device.

Too many people are used to all the rules for automatics and want to apply them to stick cars in my opinion.  I did read the rulebook and have abided by them.



-- Edited by cobaltchev67 on Wednesday 13th of December 2017 04:54:08 PM


 You may be absolutely right, but if you argue with the tech inspector have the rule book with you and ask him to show you exactly where that rule is.  I've been asked about the switch numerous times at tech and I've always passed when I told then it was a stick car.  it got dicey once at Pueblo and the inspector let me race after a little conversation.  I put one in to stop any future arguments since I dont carry a rule book with me and arguments with tech inspectors usually never end well.



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Mark
69 Chevelle SS
"Carpe Jugulum"
"Only those who have never learned self-restraint fear reasonable discipline" T.R. Fehrenbach

http://www.chevelles.com/showroom/data/500/showpic1.jpg
http://www.chevelles.com/showroom/da...ium/motor2.JPG
http://www.chevelles.com/showroom/data/500/breakout.JPG
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