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The Supercar Registry (https://www.yenko.net/forum/index.php)
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-   -   Dual Quad Linkage (https://www.yenko.net/forum/showthread.php?t=136997)

YENKO DEUCE REGISTRY 04-08-2016 02:32 PM

Dual Quad Linkage
 
What would the Day 2 linkage look like for this setup, and where can I get one? This car has the steel throttle arm coming off the gas pedal, no cable

http://i61.photobucket.com/albums/h6...psjlsvmyet.jpg

http://i61.photobucket.com/albums/h6...pshp7ovlnf.jpg

chevyandpontiac 04-08-2016 03:50 PM

Re: Dual Quad Linkage
 
For mine on my wagon, I just made one from round stock, and then joined the 2 carbs together. I think it looks good and it works great (about 5 years now) plus it was cheap to build. Here is what it looks like. https://www.yenko.net/ubbthreads/pics...e_build_25.jpg

tjs44 04-08-2016 05:34 PM

Re: Dual Quad Linkage
 
Aftermarket 409 linkage would work fine.Tom

Verne_Frantz 04-08-2016 06:38 PM

Re: Dual Quad Linkage
 
I'm not sure the '09 linkage would work that well. It's designed to have a lag before opening the front carb. I'd think with a tunnel ram you'd want both carbs to work at the same time.
Verne
[img]https://www.yenko.net/ubbthreads/pics..._linkage_62_2x[/img]

YENKO DEUCE REGISTRY 04-08-2016 06:40 PM

Re: Dual Quad Linkage
 
Hmmm... I guess I need to take a few pictures and then start looking for examples on line - I assumed that Offenhauser had an old school version that went with their intake.

PxTx 04-08-2016 06:51 PM

Re: Dual Quad Linkage
 
Search the HAMB. I would run them sideways. This is kinda cool if you are comitted to inline.

https://www.yenko.net/ubbthreads/pics...scan0011_2.jpg

YENKO DEUCE REGISTRY 04-08-2016 07:08 PM

Re: Dual Quad Linkage
 
Actually hadn't thought about running them sideways, just thought inline was the typical Day 2 style! Is one method easier than the other, or more true to Day 2?

Verne_Frantz 04-08-2016 07:19 PM

Re: Dual Quad Linkage
 
Marlin,
Every set up I saw back in the day was always in line. Race cars started putting them sideways. I had 2 660s in line and the linkage was super simple. I forget the brand and I don't have photos of the left side of the engine.

Verne

PxTx 04-08-2016 08:00 PM

Re: Dual Quad Linkage
 
I spoke to Bill Jenkins about carbs and tunnel ram. He was the innovator, so even though he started doing that - late 1969, is it day 2 enough since he was in the minority?

Bill claimed the sideways fixed a lot of problems he had.

Salvatore 04-08-2016 10:50 PM

Re: Dual Quad Linkage
 
yes, much easier to change jets.

bbbenny 04-09-2016 11:11 AM

Re: Dual Quad Linkage
 
Marlin, Go to Offy, they still sell the linkage parts. I bought mine for my car. BBBenny

ZAPPER68 04-09-2016 01:33 PM

Re: Dual Quad Linkage
 
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: Verne_Frantz</div><div class="ubbcode-body">I'm not sure the '09 linkage would work that well. It's designed to have a lag before opening the front carb. I'd think with a tunnel ram you'd want both carbs to work at the same time.
Verne
[img]https://www.yenko.net/ubbthreads/pics..._linkage_62_2x[/img]
</div></div>

Yup, you're right Verne. Both carbs need to be working at the same time. This winter I rigged my tunnel ram with the rear carb opening first and the engine definitely wanted more fuel. It kind of fell flat on it's a$$ until the front carb kicked in.

Hawkeye 04-09-2016 06:39 PM

Re: Dual Quad Linkage
 
Here are a couple of examples.

https://www.yenko.net/ubbthreads/pics...n_2012_300.jpg
https://www.yenko.net/ubbthreads/pics...3-dsc02811.jpg
https://www.yenko.net/ubbthreads/pics...-42074-007.jpg
[img]https://www.yenko.net/ubbthreads/pics...enationals123_[/img]
[img]https://www.yenko.net/ubbthreads/pics...enationals123_[/img]

Marty

whitetop 04-11-2016 02:30 PM

Re: Dual Quad Linkage
 
<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: YENKO DEUCE REGISTRY</div><div class="ubbcode-body">Actually hadn't thought about running them sideways, just thought inline was the typical Day 2 style! Is one method easier than the other, or more true to Day 2? </div></div>

I never liked the huge, wide hole you need to cut in the hood for sideways..

Weiand still makes the best inline linkage available from Summit or Jegs

YENKO DEUCE REGISTRY 04-11-2016 06:04 PM

Re: Dual Quad Linkage
 
thanks all, I will check out the Offy and Weiand setups....


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