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04-04-2016, 05:52 PM
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#1 |
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Registered User
 
Join Date: May 2015
Location: San Francisco, CA
Posts: 20
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carburetor - does it really matter
I want to replace my carb - 2029223 on my 69 CST/10 350 engine AT with another Rochester rebuilt carb. Only problem is that I can't find another freshly rebuilt 2029223 on line, not even a 2029224. My question is, does is really matter if the carb is not the same #s? As long as the linkage is correct, and that the choke be the same, right? Of course it would have to mount correctly. Couldn't I just plug some of the vacuum ports if the new carb came with more than what mine brings. Oh.. and I don't want to rebuild mine, I need my truck and can't wait for someone to rebuild my carb. Thanks.. Will
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04-04-2016, 06:58 PM
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#2 |
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Senior Member
Join Date: Jan 2001
Location: Orem, Utah
Posts: 7,976
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Re: carburetor - does it really matter
The number isn't critical, as long as it has the fuel inlet in the same location. Make sure you get one for an automatic transmission, as you'll need the kickdown. You might even want to upgrade to a later year to get the electric choke (I think 76-up). Make sure the rebuilder knows what engine you're putting it on so they can jet it correctly.
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04-04-2016, 07:43 PM
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#3 |
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Registered User
Join Date: Mar 2005
Location: Jurupa Valley, Ca
Posts: 1,210
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Re: carburetor - does it really matter
Not to hijack this thread, but as further clarification on the op question. Can you put the jets, metering rods, etc out of the original carb in another q-jet body and have a carb that is calibrated to your engine?
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Terry 1970 Custom Camper/C20 , GM Crate 350/7004R, Dana 60, factory AC |
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04-04-2016, 07:48 PM
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#4 | |
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Senior Member
Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
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Re: carburetor - does it really matter
Quote:
__________________
Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property"  "Be American, Buy American" 
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04-04-2016, 08:47 PM
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#5 |
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Registered User
Join Date: Jun 2014
Location: upstate sc
Posts: 2,095
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Re: carburetor - does it really matter
Send ur carb to the carb doctor in pa. It's the best $250 I've spent
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04-06-2016, 01:22 AM
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#6 |
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Registered User
Join Date: Dec 2009
Location: bisbee, arizona
Posts: 1,529
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Re: carburetor - does it really matter
is your carb correct or even origonal for your truck? dont get rid of it if it is, and keep it untill the new one proves its worth and pay with a credit card and state the replacement value if your carb gets "lost". some rebuilders are reputable some are not....bee carfull.
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04-06-2016, 06:10 AM
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#7 |
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Special Order
  
Join Date: Nov 2004
Location: Mt Airy, MD
Posts: 85,851
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Re: carburetor - does it really matter
I don't mess with rebuilding cards because I have a shop that does great rebuilds for very reasonable price. Pull it off, drop it off, put it on, and go. Same carb stays with the truck. But I have switched them around for years never paying attention to numbers. There are different CFM Q-Jets, so watch out for that. My swapping has been 350 truck to 350 truck
__________________
"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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04-06-2016, 07:22 AM
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#8 |
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Registered User
Join Date: May 2013
Location: WEST PALM FLORIDA
Posts: 1,174
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Re: carburetor - does it really matter
I believe , most q-jets are 750s , the exception being a pontiac or olds specific , that is 850 cfm , and of coarse the old sqarebores that were 500 cfm
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68 Long Fleet , ly6 , turbo 350 , 3-5 drop , original paint , front discs 67 Small window , 7 foot bed , tweaked 6.0 LSX 2004R Medium Olive 58 Apache fleet , 235 , offy intake , dual exhaust , 4 on the floor , red/white 69 Long Fleet , Custom , 6.0, 4l60 , AC , Medium Olive |
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04-06-2016, 07:29 AM
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#9 |
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Registered User
Join Date: Jun 2014
Location: upstate sc
Posts: 2,095
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Re: carburetor - does it really matter
Local shop wanted $165 to rebuild. Bob stone replated everything ,rebushed throttle shaft
and paid return freight for $250. |
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