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73 Charger 400 4bbl - KD Linkage

Started by rollo1504, March 28, 2017, 06:46:31 AM

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rollo1504

Hello Folks!

I bought this Throttle Linkage (Thanks to Mr. John_Kunkel for the suggestion)     http://www.ebay.de/itm/122379807670      (Hope this will fit)

Further I don't have all return springs from top to bottom.

So can you please provide a certain link from some webshop who has the correct springs?

Enclosed you will find two pictures.  One pic at side of carb and one at side of tranny.

So please can you give it a try and have a look into the pix and tell me what parts else I will need to be able to complete the installation...
Further I would really appreciate if someone could post some pictures of his installation with a holley 4160 carb as for my knowledge just the service manual drawings are not that informative enough!

As so many times already said: Thank you guys!

Roland

Nacho-RT74

here is the correct 73 setup



these springs uses to be sold in several places even in kits ( throttle and KD spring ). Year One is one of them... but Megaparts USA is cheaper ( on price item and shipping ). Some others too
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

rollo1504

Thanks Nacho!

And what do you think if you look at the lever positions on my tranny?

Are they adjusted lets say "good point to start at" or is this wrong...

I don't want to hit the road before this is at least set to an acceptable position....

Thanks

Roland

John_Kunkel

For the linkage to work correctly you need the Holley 20-7 throttle lever extension.

https://www.summitracing.com/parts/hly-20-7

This page should have all the other parts you need.

http://www.hoffmanswinnerscircle.com/14_fuel.htm
Pardon me but my karma just ran over your dogma.

rollo1504

I already have this as well as the compatible stud and stud nut....

Regards

Roland

rollo1504

@John: What do you think about my lever positions at side of my tranny?

Are they positioned "almost" correctly? Or are they far away from being fine positioned... Just asking as I don't want to destroy something....

Thanks

John_Kunkel


The top lever (TP) should be full forward at idle and near full back at WOT.
Pardon me but my karma just ran over your dogma.

rollo1504

Hey Guys!

Thanks for the explanations... and the explosions drawings.... but this is not 100% clear to me how to be installed...

So I would really ask you if someone can provide pictures from carb side and tranny side of your cars which would be a very great help for me to compare with my setup...

Thank you

Cheers

Roland

Nacho-RT74

I have stock system with TQ carb BUT my car is totally dissasembled and is around 1500 km from home.

Also is a 74 which is a bit diff from the earliers
Venezuelan RT 74 400 4bbl, 727, 8.75 3.23 open. Now stroked with 440 crank and 3.55 SG. Here is the History and how is actually: http://www.dodgecharger.com/forum/index.php/topic,7603.0/all.html
http://www.dodgecharger.com/forum/index.php/topic,25060.0.html

rollo1504


rollo1504

...Update....

Please have a look at the newly enclosed pictures...

The linkage is looking good so far (from my point of view).... It is aligned straight and it looks neat....

Please do not mention the missing springs but they will be installed soon...

The PROBLEM I have right now is if the linkage is installed it is not possible to turn the throttle lever of the carb to WOT.... and I do not understand at the moment where the error is...

Could the bracket be the problem which is mounted to the intake manifold?

Thanks for all your help/inputs guys!

Roland

John_Kunkel

The slotted hole with the bolt to the right in the pic should allow you to adjust the linkage so that the C-shaped link doesn't bottom on the rod.
Pardon me but my karma just ran over your dogma.

rollo1504

Thanks John for the input....

I will have a second look....

Another thing which is supposed to be wrong might be the throttle lever spring inside the tranny....

Can you tell me guys if this is normal if...

... the throttle lever at tranny side is completely to the front (idle position) and I push it back towards WOT, the first 1,5 inch the lever moves WITHOUT resistance... After the mentioned 1,5 inches I can feel that the throttle lever spring inside the tranny is building up resistance the more I move the lever towards WOT....

So is this correct? Or do I need to feel immediately resistance coming up as soon as I move the throttle lever towards WOT?

Thanks

John_Kunkel


There is no noticeable resistance to the initial lever movement when there is no pressure in the transmission (engine off), perfectly normal.
Pardon me but my karma just ran over your dogma.

rollo1504

Thanks for the input Bob...

The good thing is now the Tranny is really shifting fine as it should....

The not so good thing is that the KD linkage bracket which is mounted onto the intake manifold is not correct for my setup... so I installed the old bracket which looks different.... With the old bracket I was able to adjust the KD linkage
correctly and straight......

Unfortunately I forgot to take some pictures... I will post them later as I really would like to read your opinions to be sure that everything what I did was done right...

More to come!

Thanks so far guys

Cheers Roland