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Old 11-25-2012, 12:36 PM
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Carbs

Hi, I need help on how to change a primary carb into a secondary one.I own a 1962 nova with a 194 6 cylinder. I plan on running 3 one barrel carbs on a offy intake. I need to change the two end carbs to be secondary as the cente one will be the primary. Does anyone have info on how to do this? Thanks Joe
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Old 11-25-2012, 12:38 PM
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you can run all 3 with either progressive linkage or in unison.You dont have to modify the carbs.You will need a header to help it breathe out the other side
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Old 11-25-2012, 12:52 PM
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As these are all stock carbs for this car the all have vacume chokes and I do not need this feature on all of them. The center one will need this as it will be the primary carb. Is it as simple as remoing the choke feature and plugging the vaume signal ports on the two secondary carbs. I do plan on running progressive linkage. Thanks
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Old 11-25-2012, 01:08 PM
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Quote:
Originally Posted by joseph shober View Post
As these are all stock carbs for this car the all have vacume chokes and I do not need this feature on all of them. The center one will need this as it will be the primary carb. Is it as simple as remoing the choke feature and plugging the vaume signal ports on the two secondary carbs. I do plan on running progressive linkage. Thanks
You don't need the idle circuits on all three carbs- most likely. Start by turning in the end carb's idle mixture screws until lightly seated.
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Old 11-25-2012, 01:16 PM
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Um... WHY? It looks like you're taking a system that works and fixing it until its broke.
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Old 11-25-2012, 01:20 PM
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If you turn the mixture screws in,then close the butterfly.If you dont want all 3 chokes then disconnect them,,,,,,
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Old 11-25-2012, 01:22 PM
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Leave the butterflies cracked just enough that they don't jam in the throttle plate. But yes, close them down from their 'normal' position when they were used alone.
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Old 11-25-2012, 02:32 PM
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Um... WHY? It looks like you're taking a system that works and fixing it until its broke.
I have been hot rodding for 40 years and love trying diffrent things. The system will be cool when it is done. Trying things is how you learn.
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Old 11-25-2012, 02:40 PM
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I don't know what's cool about malfunctioning carbs- but to each their own. Good luck with the project, if you really want something cool link up 6 bike carbs.

Something like this:
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Old 11-25-2012, 02:42 PM
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Malfunctioning carbs? HTF do you know that? That set-up has been used for since forever, it can work just fine and look good, too. Get a clue.
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Old 11-25-2012, 02:57 PM
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Malfunctioning carbs? HTF do you know that? That set-up has been used for since forever, it can work just fine and look good, too. Get a clue.
Thanks , I do not think this guy has a clue . I already have the intake on the car and the primary carb working. I blanked off the other two and it works fine. I enjoy doing thigs and could buy carbs that are already done but thats not what I want to do. The car was a barn find. 1962 Nova 400 /2 door / original 16,000 miles / 194 6 / perfect interior / all chrome perfect / some surface rust due to the way in which it was stored . Real cool car. Thanks again .
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Old 11-25-2012, 03:07 PM
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I would like to find an old chevyII and build a 400 hp 283 to be different.I guess that car has 4 stud 13 inch wheels?
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Old 11-25-2012, 05:54 PM
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I would like to find an old chevyII and build a 400 hp 283 to be different.I guess that car has 4 stud 13 inch wheels?
It does have 4 lug wheels. Have already put new tires on the 4 lug rims. Looking into getting baby moons for it. I also have a black 66 mustang black on black coupe. We have lowered it and I run TAradials on it. We have just finished a 331 sbf for it. It has dynoed in at 420 hp at the fly wheel at 6800. I run 3:55 in the rear. I built this for road use. It corners very well and is very fast. We weighed the car and it came in at 2850 with a full load of fuel. Alot of fun to drive. I had a 283 when I was younger and it was a ball to drive. I wish more people built them instead of the same old stuff.
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Old 11-25-2012, 05:58 PM
How fast is fast enough?
 
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Originally Posted by joseph shober View Post
Thanks , I do not think this guy has a clue . I already have the intake on the car and the primary carb working. I blanked off the other two and it works fine. I enjoy doing thigs and could buy carbs that are already done but thats not what I want to do. The car was a barn find. 1962 Nova 400 /2 door / original 16,000 miles / 194 6 / perfect interior / all chrome perfect / some surface rust due to the way in which it was stored . Real cool car. Thanks again .
So you have one that works and two that don't... most people don't call that progress.
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Old 11-26-2012, 05:14 AM
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So you have one that works and two that don't... most people don't call that progress.
Are you nuts? I just started this project. We have other projects going on. We are finishing the dyno room at MCRP ( Mike Cursio ) and I am helping my brother with his 65 Comet that we just got back from Team Z Motorsports. Are you on this site to help people or make a fool of yourself.
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