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Author Topic: Throttle sticking  (Read 898 times)
Msnader7
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« on: December 30, 2018, 04:54:55 PM »

I have a 66 with a 383 and 727, it hadnt been drove in years I had to replace the throttle cable due to the other being broke, my issue is that at idle you can rev it and the throttle wonít stick but sometimes in drive you give it to much pedal and it goes wide open and wonít unstick until you shut it off but when you start it back up itís not stuck Iím clueless on why it is doing it thanks.


* IMG_1793.jpg (105.11 KB, 449x671 - viewed 248 times.)
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Alaskan_TA
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Drinking and driving is really, really stupid.


« Reply #1 on: December 30, 2018, 05:19:02 PM »

Weak or missing return spring?


A photo of your setup may help some......
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Msnader7
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« Reply #2 on: December 30, 2018, 06:08:43 PM »

It has the double return spring, itís dark now but Iíll get a picture tommorow.
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b5blue
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« Reply #3 on: December 30, 2018, 07:20:01 PM »

Kickdown linkage isn't setup correctly.  2thumbs
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Msnader7
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« Reply #4 on: December 30, 2018, 07:29:42 PM »

Thanks
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c00nhunterjoe
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« Reply #5 on: December 30, 2018, 08:50:27 PM »

If the only way to unstick it is to shut it off, and your old one broke, im betting on a broken drivers side motor mount allowing the engine to rock over and pin the throttle wide open. Seen it happen many times on big block mopars and stock mounts.
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XH29N0G
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no matter where you go, there you are


« Reply #6 on: December 31, 2018, 06:55:19 AM »

Different carburetor on mine, but the choke used to stick at the fast idle (not WOT) but enough to be scary.  Good luck figuring this out.  I'll be the other suggestions may have nailed it, but put my experience in case it helped.
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tan top
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69 R/T SE -A47-Y2-CRX-V1T-V88


« Reply #7 on: December 31, 2018, 07:35:30 AM »

these pictures might help ,  linkage set up with my 800 thunder AVS


* ttsthunderAVSlinkage2244aaa.jpg (85.63 KB, 600x450 - viewed 227 times.)

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* ttsthunderthrottlekickdown22aaaaaaa166 sidefrontbb.jpg (140.09 KB, 600x800 - viewed 228 times.)
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BLK 68 R/T
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68 Charger R/T, 493 stroker engine, 727 auto.


« Reply #8 on: December 31, 2018, 10:08:48 AM »

You need this:
Edelbrock-1481-Throttle-Lever-Adapter

and this:

Carburetor linkage stud for 66 4 barrel & 66-69 426 Hemi.
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69 R/T SE -A47-Y2-CRX-V1T-V88


« Reply #9 on: December 31, 2018, 02:13:49 PM »

You need this:
Edelbrock-1481-Throttle-Lever-Adapter

and this:

Carburetor linkage stud for 66 4 barrel & 66-69 426 Hemi.



 cheers   that's them I forgot to post the link  slap   

https://www.manciniracing.com/thleha.html
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c00nhunterjoe
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« Reply #10 on: December 31, 2018, 03:32:14 PM »

Again, if the only thing that makes it return to idle is physically shutting the engine off, check the driver motor mount.
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John_Kunkel
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« Reply #11 on: January 01, 2019, 12:22:07 PM »

The OP's picture is a prime example of HOW NOT to install a carb on a Mopar.
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Msnader7
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« Reply #12 on: January 01, 2019, 06:43:51 PM »

Update: driver side motor mount was completely tore apart have a new one ordered thanks for the help
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69 R/T SE -A47-Y2-CRX-V1T-V88


« Reply #13 on: January 01, 2019, 07:10:13 PM »

Again, if the only thing that makes it return to idle is physically shutting the engine off, check the driver motor mount.
Update: driver side motor mount was completely tore apart have a new one ordered thanks for the help

good you know whats causing it ,  yesnod  never new ( well never seen one that bad my self ) a destroyed  motor mount would do that

thanks for the up date  cheers




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BLK 68 R/T
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68 Charger R/T, 493 stroker engine, 727 auto.


« Reply #14 on: January 01, 2019, 08:53:24 PM »

Good to know you found a broken mount, but you still need the throttle adapter and stud installed in order for your transmission to function properly and your throttle cable.
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c00nhunterjoe
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« Reply #15 on: January 01, 2019, 11:23:06 PM »

Again, if the only thing that makes it return to idle is physically shutting the engine off, check the driver motor mount.
Update: driver side motor mount was completely tore apart have a new one ordered thanks for the help

good you know whats causing it ,  yesnod  never new ( well never seen one that bad my self ) a destroyed  motor mount would do that

thanks for the up date  cheers






Ive broke them bad enough that it smashed the 1st header tube against the inner fender and cut 3 plug wires off and still pinned the throttle wide open. Did the bolt together mount and broke one of them. Went solid on my car, but im hard on parts.
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69 R/T SE -A47-Y2-CRX-V1T-V88


« Reply #16 on: January 03, 2019, 03:52:24 PM »

Again, if the only thing that makes it return to idle is physically shutting the engine off, check the driver motor mount.
Update: driver side motor mount was completely tore apart have a new one ordered thanks for the help

good you know whats causing it ,  yesnod  never new ( well never seen one that bad my self ) a destroyed  motor mount would do that

thanks for the up date  cheers






Ive broke them bad enough that it smashed the 1st header tube against the inner fender and cut 3 plug wires off and still pinned the throttle wide open. Did the bolt together mount and broke one of them. Went solid on my car, but im hard on parts.

crikey !!  sounds like some serious power shifting ! , as I was reading your post was thinking to my self I would have tried a solid mount on drivers side  , then continued reading & you already made swap to solid mounts  drive 

 cheers
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c00nhunterjoe
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« Reply #17 on: January 04, 2019, 06:15:25 AM »

For several years i only ran the solid on the driver side with no issues.
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Alaskan_TA
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Drinking and driving is really, really stupid.


« Reply #18 on: January 04, 2019, 03:11:45 PM »

I always run a solid mount on the driver's side with no issues, have for years on multiple cars.

A typical kit comes with 2, so for me that does two cars.

Definitely fix the linkage too!

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