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Help me pick a carb for my 454

matt96shee

matt96shee

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Sep 15, 2007
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Location
Queen Creek, AZ
I just dropped my 454/465/205 combo in my '72 blazer. It's runs decent but I'm using the worn out carb that was on the 350 I pulled out. That carb happens to be a Q-Jet. It's old and tired and probably not worth rebuilding.
The blazer is going to be used for driving to work and hauling my quad to the desert.

The 454 is a fresh rebuild using peanut heads. a mild rv cam with an E-brock Performer 2.0 intake, headers and around 9.5:1 compression.

Right now, I'm really only dead set on having an electric choke.

So, I'm looking at a Holley 3310-3, an Edelbrock 1411, and another Q-jet originally on a 454 that's posted in the classifieds here.

Opinions/thoughts please? Point me in the right direction.

Matt
 
A Q-Jet would be a good choise if you get a nice newer one but they can be kinda pricey for the good ones... Do not get an Edelbrock Performer... You will regret it if u ever have to go up a steep hill cuz it will die. Personally I would go with the larger Holley Truck avenger carb. Excellent off-road, and excellent starts. I havet yet to have a problem. They are electric choke too and it works great!
 
I've never had a problem with my performer. Idled at about 60* incline and just blew a little more smoke.
 
Cowboy_80 said:
I've never had a problem with my performer. Idled at about 60* incline and just blew a little more smoke.
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man u got lucky most people i have talked to hated theirs including me... It was good for regualr driving purposes. I did stubble a couple times when I would hit a bump. And I also had some hard starts esspcially after it would die
 
x2 for Holley truck avenger :bow:

after initial setup, they are THE BEST performing carb out there. Some might argue that the tried and true q-jet is better, but you get more power and responce out of a Holley than you can ever get out of a q-jet.
 
Yeah, I would have to call it lucky. It's a carb that's been around too. I bought it new in '98 for my '64, then it went on a '78 nova, then an '83 3/4 ton, now to my '80 Blazer. It's been rejetted as applications changed, but that is the only mod it's had. never even had to adjust float level.
 
I have a 3310-1 that I'd be happy to rebuild for ya. I run one on my blazer that is modified to be nearly as good as a truck avenger off road.
 
matt96shee said:
the one in the classifieds is from an '86...are there any particular years i should look for?
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As long as it's not one for California emissions or high altitude, should be fine.

Personally I'd look into re-jetting it if it wasn't from a 454, or your engine needs more or less fuel, but that's typically all you need to do to get them running good.

I like the later Q-jets more than earlier ones.
 
I'd only consider two carburetors for a 454 in a K5 that goes off road.

770CFM Holley Truck Avenger
Stock 454 Q-Jet
 
Just make sure you get one for the year truck if it ask. I put a newer 454 in mine and ordered a carb for the year of the motor and ended up with a lot of vacume ports off the carb that I didn't need and ended up having to plug them all.
 
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