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09-28-2018, 04:24 AM
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#1 |
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Registered User
Join Date: Sep 2018
Location: Long beach
Posts: 15
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Stock 1970 396 c10 carb choices?
What carb should I use to get peak performance since the carb in truck is junk. Or recommend CFM. I'm new to this....
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09-28-2018, 08:22 AM
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#2 |
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Who Changed This?
 
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,747
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Re: Stock 1970 396 c10 carb choices?
Unless you're going racing (and even then) the Q-Jet that came on it is a good choice. If it's toast, you should be able to find a replacement with the same features. Note that they are not all the same, internally. An over-the-counter generic unit will not necessarily be jetted for your truck, for instance.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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09-28-2018, 09:06 AM
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#3 |
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Registered User
Join Date: Aug 2009
Location: Bowser
Posts: 13,749
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Re: Stock 1970 396 c10 carb choices?
You can get a quadrajet that is set up for your truck.
From Sean Murphy. He’s right in your neighbourhood. https://www.smicarburetor.com/ Don’t get blown away by the cost. Any carb change will eventually cost as much or more. |
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09-28-2018, 09:54 AM
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#4 |
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Registered User
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,984
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Re: Stock 1970 396 c10 carb choices?
I agree with the others. You're not going to do better than the Quadrajet.
__________________
I have sworn upon the altar of God, eternal hostility against every form of tyranny over the mind of man. - Thomas Jefferson |
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09-28-2018, 12:01 PM
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#5 | |
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Registered User
Join Date: Sep 2011
Location: Ark City, Kansas
Posts: 3,418
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Re: Stock 1970 396 c10 carb choices?
Quote:
Murphy has a great reputation. www.cliffshighperformance.com can send you ALL the parts you need to make yours better than new, and had ethanol compatible parts, PLUS cCliff's part will get your carb calibrated to specifically work on your engine, and with today's gasoline... |
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09-28-2018, 09:52 PM
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#6 |
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Senior Member
 
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,374
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Re: Stock 1970 396 c10 carb choices?
These trucks are not made for racing except in rare cases …
__________________
A husband can be right...or...A husband can be happy.  67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk.  1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc   JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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10-03-2018, 10:45 PM
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#7 | |
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Who Changed This?
Join Date: Jan 2013
Location: Simi Valley, CA
Posts: 10,747
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Re: Stock 1970 396 c10 carb choices?
Quote:
And as far as the CFM issue is concerned, properly set up secondaries will control the flow. Not many vehicles need that much in the way of flow, unless you are racing. My truck is set up bone stock, but tears it right up when I hit the throttle. Enough to scare the wife, anyway.
__________________
~Steven '70 Chevy 3/4T Longhorn CST 402/400/3.56 Custom Camper Simi Valley, CA |
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09-29-2018, 09:55 PM
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#8 | |
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Special Order
 
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: Stock 1970 396 c10 carb choices?
Quote:
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"BUILDING A BETTER WAY TO SERVE THE USA"......67/72......"The New Breed" GMC '67 C1500 Wideside Super Custom SWB: 327/M22/3.42 posi.........."The '67" (project) GMC '72 K2500 Wideside Sierra Custom Camper: 350/TH350/4.10 Power-Lok..."The '72" (rolling) Tim "Don't call me a redneck. I'm a rough cut country gentleman" R.I.P. ~ East Side Low Life ~ El Jay ~ 72BLUZ ~ Fasteddie69 ~ Ron586 ~ 67ChevyRedneck ~ Grumpy Old Man ~ |
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