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Author Topic: Familiar with Quadrajets?  (Read 3148 times)

Offline 724wd

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Familiar with Quadrajets?
« on: August 26, 2020, 09:14:07 PM »
I am rebuilding the Quadrajet on my sons 84 GMC. I did the one I had on my '72 in the late 90s so it's been a few days since I've delved too deep into one. My concern is there is no plug covering the Adjustable Part Throttle screw. My other one had an aluminum plug covering it. I was googling images and I've seen pictures of carbs WITH the plug and WITHOUT! Is the plug necessary?

Plug and hole are circled in red

Offline huntandjeep

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Re: Familiar with Quadrajets?
« Reply #1 on: August 27, 2020, 06:38:27 AM »
Your good .
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Offline dewandgin

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Re: Familiar with Quadrajets?
« Reply #2 on: August 27, 2020, 06:52:58 AM »
Not necessary. You are good to go.

Offline Woodchuck

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Re: Familiar with Quadrajets?
« Reply #3 on: August 27, 2020, 07:20:30 AM »
Doug says the cap is just to keep dirt out, you are good.  :tup:
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Offline jackelope

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Re: Familiar with Quadrajets?
« Reply #4 on: August 27, 2020, 07:31:29 AM »
Quadra what?
:fire.:

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Offline 724wd

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Re: Familiar with Quadrajets?
« Reply #5 on: August 27, 2020, 06:56:26 PM »
thanks!

Offline jay.sharkbait

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Re: Familiar with Quadrajets?
« Reply #6 on: August 27, 2020, 07:06:47 PM »
Thanks

Now I’m going to have nightmares for a week.

Offline hollymaster

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Re: Familiar with Quadrajets?
« Reply #7 on: August 27, 2020, 08:12:32 PM »
Quadra what?
:chuckle:
I thought it was gonna be some new fangled jetboat motor.  :dunno:

Offline 724wd

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Re: Familiar with Quadrajets?
« Reply #8 on: August 27, 2020, 08:54:50 PM »
Thanks

Now I’m going to have nightmares for a week.

nightmares about the best fuel/air mixer ever devised?!  :lol4:

Offline Buckmark

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Re: Familiar with Quadrajets?
« Reply #9 on: August 27, 2020, 09:00:46 PM »
I think i saw a movie about those, it was called Jurrasic Carb  :chuckle:
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Offline coachcw

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Re: Familiar with Quadrajets?
« Reply #10 on: November 02, 2020, 06:19:00 AM »
I typically set the metering rod stop screw flush with the carb body and plug the lean bleed holes . you shouldn't have to mess with the plug and the hole should be capped to keep debris out. if you can get ahold of a long .042 drill bit and drill the idle tubes they like that as well as giving the secondary syphon tubes a tap to make sure they are seated into the lid . :twocents:

 


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