C3 Tech/Performance V8 Technical Info, Internal Engine, External Engine, Basic Tech and Maintenance for the C3 Corvette
Sponsored by:
Sponsored by:

Quadrajet Carb

Thread Tools
 
Search this Thread
 
Old Jan 24, 2026 | 09:54 AM
  #1  
Abedman's Avatar
Abedman
Thread Starter
Cruising
 
Joined: Oct 2024
Posts: 14
Likes: 1
Default Quadrajet Carb

On my Quadrajet, what is this piece that goes into the manifold and has hoses going to the carb? Because I swapped it over to my other motor but the manifold doesn’t have a hold for it to go into so I took it off. Is it fine to run with out it?
On my Quadrajet, what is this piece that goes into the manifold and has hoses going to the carb? Because I swapped it over to my other motor but the manifold doesn’t have a hold for it to go into so I took it off. Is it fine to run with out it?
Reply
Old Jan 24, 2026 | 10:13 AM
  #2  
MajD's Avatar
MajD
Racer
15 Year Member
Photogenic
Liked
Loved
 
Joined: Apr 2008
Posts: 406
Likes: 46
From: Lebanon OH
Default

That looks like the choke tube that supplies air to the choke housing. Cool air is drawn in one end (usually the air cleaner housing) and heated as it passes through the tube on its way to the choke housing that contains the spring. As the car warms up, so does the air... causing the spring to move. You will need to replace the choke with an electric one. Hope this helps.

MajD
Reply
Old Jan 24, 2026 | 11:17 AM
  #3  
Piersonpie's Avatar
Piersonpie
Melting Slicks
Shutterbug
Loved
Community Favorite
Top Answer: 5
 
Joined: Apr 2021
Posts: 2,676
Likes: 2,126
From: Minnesota
Default



Here’s an article that talks about its function more, and what to do if you convert your choke to electric.


Reply
Old Jan 24, 2026 | 03:38 PM
  #4  
MelWff's Avatar
MelWff
Race Director
20 Year Member
Liked
Loved
Community Favorite
 
Joined: May 2006
Posts: 18,706
Likes: 2,573
Default

Originally Posted by Abedman
On my Quadrajet, what is this piece that goes into the manifold and has hoses going to the carb? Because I swapped it over to my other motor but the manifold doesn’t have a hold for it to go into so I took it off. Is it fine to run with out it?
On my Quadrajet, what is this piece that goes into the manifold and has hoses going to the carb? Because I swapped it over to my other motor but the manifold doesn’t have a hold for it to go into so I took it off. Is it fine to run with out it?
If you run without it the choke won't open.
Reply
Old Jan 24, 2026 | 05:53 PM
  #5  
DWAVette's Avatar
DWAVette
Drifting
Liked
Loved
Community Favorite
Top Answer: 1
 
Joined: May 2020
Posts: 1,663
Likes: 702
From: Baton Rouge, Louisiana, metro area
Default

I still run the hot air system.

I sent you a Private Message.

Please look read it when you get a chance.

Thanks.

Darryl
Reply

Get notified of new replies

To Quadrajet Carb





All times are GMT -4. The time now is 05:27 PM.

story-0
Top 10 DOs and DON'Ts for Protecting Your Convertible Top!

Slideshow: How to Protect A Convertible Top: 10 DOs & DON'Ts

By Michael S. Palmer | 2026-04-03 00:00:00


VIEW MORE
story-1
Top 10 Most Explosive Corvettes Ever Made: Power-to-Weight Ratio Ranked!

Slideshow: The 10 most explosive Corvettes ever built based on power-to-weight ratio.

By Joe Kucinski | 2026-05-20 07:23:03


VIEW MORE
story-2
150 hp to 1,250 hp: Every Corvette Generation Compared by the Specs That Matter

Slideshow: From C1 to C8 we compare every Corvette generation by the numbers.

By Joe Kucinski | 2026-05-12 16:54:12


VIEW MORE
story-3
8 Coolest Corvette Pace Cars (and Replicas) of All Time

Slideshow: Some Corvette pace cars became collectible legends, while others perfectly captured the look and attitude of their era.

By Verdad Gallardo | 2026-05-11 09:50:51


VIEW MORE
story-4
Top 10 Corvette Engines RANKED by Peak Torque (70+ Years of Muscle!)

Slideshow: Ranking the top 10 Corvette engines by torque output.

By Joe Kucinski | 2026-05-05 11:58:09


VIEW MORE
story-5
Corvette ZR1X Will Be Pacing the Indy 500, And Could Probably Race, Too!

Slideshow: A Corvette pace car nearly matching IndyCar speeds sounds exaggerated, until you look at the numbers.

By Verdad Gallardo | 2026-05-04 20:03:36


VIEW MORE
story-6
Top 10 Corvettes Coming to Mecum Indy 2026!

Among a rather large group of them.

By Brett Foote | 2026-05-04 13:56:44


VIEW MORE
story-7
Top 10 C9 Corvette MUST-HAVES to Fix These C8 Generation Flaws!

Slideshow: the top 10 things Corvette owners want in the C9 Corvette

By Michael S. Palmer | 2026-04-30 12:41:15


VIEW MORE
story-8
10 Revolutionary 'Corvette Firsts' Most People Don't Know

Slideshow: 10 Important Corvette 'firsts' that every fan should know.

By Joe Kucinski | 2026-04-29 17:02:16


VIEW MORE
story-9
5 Reasons to Upgrade to an LS6-Powered Corvette; 5 Reasons to Stay LT2

Slideshow: Should you buy a 2020-2026 Corvette or wait for 2027?

By Michael S. Palmer | 2026-04-22 10:08:58


VIEW MORE