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Offy DP 4 BBL throttle options...

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Old Jan 23, 2014 | 10:33 PM
  #16  
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I noticed that as well...but the pic helped illustrate for the purpose of the thread, plus it looked pretty darn clean. I couldn't NOT post it on here once I found it.

Seems like I remember seeing a fella that made another setup with solid linkages, a custom bracket that straddled his valve cover. it had a shaft cradled in some press fit bearings. I do remember that valve cover was custom too. ford blue and black iirc.

anyone have a pic of this or know where to find it?
 
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Old Jan 23, 2014 | 11:18 PM
  #17  
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Disregard...this is the pic I was looking for. not sure which intake he is running, but what a cool idea that graduated into an awesome fab job.

http://i659.photobucket.com/albums/u...300linkage.jpg
 
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Old Jan 24, 2014 | 04:54 AM
  #18  
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My old 70 f250 with a 300 was all linkage and no cable if memory serves correctly....
 
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Old Jan 24, 2014 | 01:09 PM
  #19  
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I have tried several carbs on my engine while I searched for the perfect combination of power and mpg. I have used (as one of your photos show) an autolite 4100, 1.08, small block type, an autolite 4100, 1.08, big block type, autolite 4100 1.12, Edelbrock 500, Quadrajet 750 cfm and 800 cfm, and to round them all out I am now running a Summit 600 cfm.

The Lokar cable has worked on all the carbs. The Lokar bracket that sits on the carb could not be used with the QJ's, and I had to mod the bracket that came oem with the QJ.



Above is the oe QJ throttle bracket.



The photo above shows how I changed the oe bracket and what I ended up with for the Lokar cable.

I also noticed that with the Summit carb the Lokar cable bracket that sits on the toe of the carb kept moving no matter how/where I set the set screw, so I had to mod it, attaching an arm and running it over to another of the carb mounting bolts to hold it.



There are a couple of other aspects to using the Lokar cable, and installing the Offy intake that should be covered:





In the photo above you can see that I took a fender washer and used it as a mount for the cable on the firewall bracket. I also removed the clevis fitting on that end of the cable and put on the oe little plastic holder. In the photo it is the little green guy on the throttle arm. It is a cradle for the ball on the end of the cable. It sits in the throttle arm perfectly, as it is made to.

The other thing that should be mentioned with the install is to use studs, grade 8 or better, antisieze in the head threads, and Mr. gasket #260 gasket.



And then there is the coolant plate, if you're not using the oe exhaust.

If you use 3/8 pipe, you don't need hose bibs on the end, and that will save you $14. Some guys on the forum have made them for members in the past.



 
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Old Jan 25, 2014 | 11:56 PM
  #20  
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nicely done F250...thanks for the useful info and great pics man.
 
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Old Jan 26, 2014 | 10:54 AM
  #21  
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Originally Posted by TheDudeAbides
I'm famous!
I think I have the drawings stored away somewhere if anyone is interested.
 
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Old Mar 26, 2014 | 04:03 PM
  #22  
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Bracket is combo of Ford and GM.
Water plate under carb is from '61 Thunder Chicken to keep the carb from turning into a popsicle.
Cable is a combo '87 Ford cable and Lokar end.
This set up has worked well for five years where the temp gets well below 0 for much of the year.
 
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Old Apr 9, 2020 | 08:12 PM
  #23  
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I know this is an old thread, but I thought I would post what I finally came up with for about 40.00 after scouring related threads.

Initially we modified the stock bracket to use the stock cable with a custom/homemade linkage. We then added a custom/homemade return spring bracket. The stock cable end was interfering with the linkage.

So I bought a 3 foot universal cable, cut the stock bushing from pedal rod fork and installed it on the new cable.

I also bought a universal mount similar to those in this thread. Connected it all and no more binding or fear of the +40 year old cable breaking.


Universal cable.

Custom bracket and return spring.

Universal/Custom bracket with return spring.


I did slip a piece of fuel line over the braided sheath to keep it from rubbing on he valve cover.

I also looped the cable around the heater hoses near the firewall. I might see if there is enough slack to route it around the front.

But so far it works really well and I didn't have to fabricate anything. I wish I had gone this route from the beginning.

If anyone needs the part #'s for the cable or bracket, PM me

Cable was @27.00 bracket was about 13.00
 
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Old Apr 21, 2020 | 10:21 AM
  #24  
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Excellent Post!

I am about to need a solution for myself. Also, I was wondering how to positions the carburetor? Primaries toward the firewall or toward the valve cover. Does it even matter?

 
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Old Apr 21, 2020 | 10:48 AM
  #25  
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I think the primaries will have to go toward the valve cover in order to get the throttle cable set up to work depending on what carb you plan to use.

You know what is crazy, is that I know I read this thread when looking for solutions before we modified our stock cable and bracket and the pictures from posts # 10 and 19 did not show up. As a matter of fact I don't think they showed on my screen until after I posted mine. Those pictures show basically the same set up we settled on, except ours are not Lokar.

If interested in the part #'s for the cable and bracket, me know and I'll dig em up.
 
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Old Apr 28, 2020 | 01:15 PM
  #26  
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Can I get those part numbers?
 
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Old Apr 28, 2020 | 04:22 PM
  #27  
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I got both off of ebay. O'reilly;s has a bracket from Mr. Gasket (I think) for about 15.00

.
Dual Throttle Return Spring Carb Bracket Holley Edelbrock Carter Quadrajet A157




36" Stainless Braided Throttle Cable Rat Rod Hot Rod Holley Edelbrock Custom V8


I think those will work as links to the items. If not, let me know.

We routed the cable in an "S" This picture is not the best, but it loops around/behind the heater hoses.





 
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Old May 18, 2020 | 12:39 PM
  #28  
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What I ended up doing, However, I did need the 48" Lokar throttle cable, the 36" cable was to small.


Also... here she is finally running

 
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Old May 21, 2020 | 11:10 AM
  #29  
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Originally Posted by John89
I think the primaries will have to go toward the valve cover in order to get the throttle cable set up to work depending on what carb you plan to use.

You know what is crazy, is that I know I read this thread when looking for solutions before we modified our stock cable and bracket and the pictures from posts # 10 and 19 did not show up. As a matter of fact I don't think they showed on my screen until after I posted mine. Those pictures show basically the same set up we settled on, except ours are not Lokar.

If interested in the part #'s for the cable and bracket, me know and I'll dig em up.
Help! Where did you get the EFI exhaust manifolds? Do you have a part number?
 
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Old May 21, 2020 | 12:50 PM
  #30  
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One off of ebay, the other from Rock Auto.

The one from ebay Item number 371034985534 seller was am-autoparts (2941478


Rock Auto was DORMAN 674186 (674-186) for a 91 F150 (I could only find the one on ebay which is why I used RA for the other.
 
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