Author Topic: which carb?  (Read 6931 times)

Offline cwilson jr

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which carb?
« on: July 30, 2011, 04:04:18 PM »
i may have to replace my carb in my 85 k10 with a 350 and a quadra-jet on there now.  this is my daily driver/work vehicle.  i want to replace the carb with the cheapest "new" one i can get. i'm also preferring to get the most fuel effiecent one i can.  any suggestions?

Offline biscuit41

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Re: which carb?
« Reply #1 on: July 30, 2011, 05:55:29 PM »
I'd keep the quadrajet. Is there anything wrong with it?
1985 C10 Longbed

Offline bobcooter

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Re: which carb?
« Reply #2 on: July 30, 2011, 10:02:45 PM »
Check out these Q-jets at Summit. Someone there could answer your questions.
  http://www.summitracing.com/search/?keyword=quadra-jet&page=1   
'79 C-20, 350/400, 3:73 gears, 9 leafs and a headache rack
Favorite Quote, "Good judgement comes from experience. Experience comes from poor judgement."

Offline mats1985gmc

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Re: which carb?
« Reply #3 on: July 31, 2011, 12:02:45 AM »
what ever you decide say away from Demon. Big pile of JUNK!

Offline reload

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Re: which carb?
« Reply #4 on: July 31, 2011, 12:11:47 AM »
+1 on keeping the qjet, they really are the perfect carb, you just have to understand them and do a little leg work to make them rock.  But when they do, they have the response of a small carb with the massive secondaries of a larger carb. 

Offline 1980c10

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Re: which carb?
« Reply #5 on: August 02, 2011, 07:03:28 PM »
Q-jets are nice when they work properly but i can't stand to work on them, they are way to complicated for me to understand and way too many versions and changes through the years.  You don't need a q-jet for decent mpgs.  I currently run a holley 670a and love it so easy to tune and modify to make it work the way I want. I have very quick throttle response and get great mpg. It's not the cheapest carb but for simplicity sake it's my recomendation, they are designed to be user friendly and perform great without having to be a carb expert.
I'm not saying the q-jet isn't a good carb it just happens to be my second choice.

Offline Dr_Snooz

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Re: which carb?
« Reply #6 on: August 02, 2011, 10:34:03 PM »
I'm less than satisfied with my Edelbrock. I would stick with the QJet if I had it to do over again.
1989 Chevy Suburban V-2500, 5.7L, TH400

1990 Chevy C-3500 Ext. Cab, 7.4L, 3L80

2009 Chevy Silverado 1500 WT 4WD, 4.8L, 4L60

Offline greg1984GMC

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Re: which carb?
« Reply #7 on: August 04, 2011, 11:31:41 PM »
I am getting almost 400 horse out of a qjet equipped motor.
It's almost trouble free.  I store my truck for 7 months of the
year.  I have had real bad luck with Holleys and Demons because
the bowl gaskets drie out during the winter and i have to rebuild
them each spring to stop the fuel leaks.  Never an issue with the qjet.
Live to Ride-----Ride to live.

Offline drtch1

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Re: which carb?
« Reply #8 on: August 18, 2012, 06:33:26 PM »
I like Quadrajet. Easy to rebuild. I have had them all. Quadrajet has a WAY better choke than anybody else. I agree with the Demon response (the old Demon's- Haven't tried the new Demon's).

Offline timthescarrd

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Re: which carb?
« Reply #9 on: August 18, 2012, 08:29:20 PM »
Switched my q-jet out for an edelbrock 1406, am very happy with the way the edelbrock runs, but cost to do everything properly ran upwards of 500 dollars

Offline Elpresidente

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Re: which carb?
« Reply #10 on: September 03, 2012, 06:05:35 PM »
I agree, I swapped my q-jet for an Edelbrock 1406 but I just changed the jets + rods and it needed a bit of setup on the electric choke/AFR screws. Total cost was $360, i'm impressed with it.
'82 Chev Scottsdale
Proud to be Canadian \m/

Offline Fairlane514

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Re: which carb?
« Reply #11 on: September 04, 2012, 06:32:17 AM »
Keep the quadrajet, its hard to beat for a daily driver

Offline 78 Chevyrado

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Re: which carb?
« Reply #12 on: September 04, 2012, 08:51:29 PM »
Q-jet is the best.  I don't know about holley, but I've noticed edelbrocks quality control is slipping.  I bought a new 1406 3 or 4 months ago, to replace the one i dropped and broke, and I noticed the throttle shafts fit BADLY in the bores.  they were way too loose IMO.  I had to use it, couldn't send it back because I needed the truck right then, but when I get a chance or it irritates me bad enough, I'm going to get one of those JET brand Quadrajet carbs.

I don't know how holleys Quality is right now, hopefully its better than edelbrocks is.  I love edelbrocks, have always had them, but the 10 or so I checked in the local stores all had loose throttle shafts.  this is unacceptable, and I can't get a constant idle, and if i spray carb cleaner on the outer ends of the shaft, the idle dips.  and this is brand new, not remanned carbs.
Kenny

1978 C-20, 350/400, 3.73, Graystone Metallic, Raceline Renegade 8 Wheels - 18x8.5, 275/70R18 BFG KO's