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#26 |
Registered User
Join Date: Jun 2008
Location: South Florida
Posts: 11,375
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Re: What's your carburetor preference for the 350?
Holley HP650 was the best choice for my built 406
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Get your facts first, and then you can distort them as much as you please!!!!!. Sylvester's build thread >>>http://67-72chevytrucks.com/vboard/s...ht=big+rebuild |
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#27 | |
Registered User
Join Date: Oct 2012
Location: Columbia, MO
Posts: 72
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Re: What's your carburetor preference for the 350?
Quote:
![]() I was just told they were junk by someone who has messed with a lot of 350 engines, but after hearing all the responses on here I think I will rebuild my Holley (Dave Ramsey approved) and possibly get a Q-Jet to rebuild and try out at a later time. |
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#28 |
Registered User
Join Date: May 2004
Location: Topeka, Ks
Posts: 2,293
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Re: What's your carburetor preference for the 350?
Quadrajet. Power and economy, the rest give you one or the other, not both.
There is a reason GM used them for so many years on almost everything! Jeff
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I'm not a pessimist, I'm just optimistic that bad things are going to happen. 1971 Cheyenne Super K10 - tilt, cruise, air, am/fm, tow hooks, factory buckets! 1986 Jeep J10 pickup, - 5.3L Vortec with 4L60e and NP241. |
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#29 |
Senior Member
![]() Join Date: Oct 2009
Location: Godley, TX
Posts: 17,964
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Re: What's your carburetor preference for the 350?
c10boob - good plan, and, I wouldn't take any more of that gent's advice.... To your question, you've seen most PREFER a Q-jet (I was one of em), but a Holley is not junk by any means. If you are going to change it, Q-jet is great, but if you aren't having problems and aren't doing a 100 pt resto, then why change it before you have problems?
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#30 |
Registered User
![]() Join Date: Mar 2011
Location: bolivar, mo
Posts: 839
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Re: What's your carburetor preference for the 350?
I like q-jets------they just work well. BUT,,,finding a good q- jet these days is expensive and hard to do. This truck will be my fourth build/street machine----it will have an Edelbrock 1406. All three previous builds had one and they all worked fine.
Now, with all that said-----Im also looking for a complete three duece setup (just for wow factor) and Yes, I know how to set them up.
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1997 shortie stepside 1968 short stepside 1966 mustang 1966 chevelle ss Dont always go the cheapest route--You can save yourself into the poorhouse! My Build Thread http://67-72chevytrucks.com/vboard/s...d.php?t=489030 |
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#31 |
Registered User
![]() Join Date: Aug 2011
Location: Powell River, BC
Posts: 229
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Re: What's your carburetor preference for the 350?
Where do you find a good Q-Jet?
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#32 |
Registered User
Join Date: Jan 2011
Location: Townsend MT
Posts: 1,725
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Re: What's your carburetor preference for the 350?
Maybe you should look for a thermoquad.
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#33 |
GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: What's your carburetor preference for the 350?
Go to a race track near you and look to see what everyone there is running. Holleys are great carbs if you know how to tune them. Same with Qjets. Edelbrocks aren't worth using.
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2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride ![]() ![]() http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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#34 | |
Registered User
Join Date: Jul 2012
Location: Ft Wayne Indiana
Posts: 1,204
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Re: What's your carburetor preference for the 350?
Quote:
^^ The guy who rebuilt my Q-Jet runs one on his '74 GTO drag car. And it's not gimpy car, this thing stands on the rear bumper, too.
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71 K20 64 GMC mud truck |
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#35 | |
Registered User
Join Date: Aug 2012
Location: Junction City, KS
Posts: 782
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Re: What's your carburetor preference for the 350?
Quote:
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Joseph Joe's 69 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543253 1969 GMC SWB-350 SBC 700R4 2013 Ram 2500 CC Laramie Longhorn Edition-6.7 PPEI EFI Live CSP5 5” ProFlo Exhaust |
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#36 |
GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: What's your carburetor preference for the 350?
Try a Demon carb. Even better than a Holley.
Posted via Mobile Device
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2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride ![]() ![]() http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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#37 |
Registered User
Join Date: Aug 2012
Location: Junction City, KS
Posts: 782
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Re: What's your carburetor preference for the 350?
I found this cool site today while researching the q-jets. Pretty much they can build you one to your vehicle. 9-10 month wait. Or you can buy the book he wrote on it, and build your own. I am getting a copy of it and the transmission book that he wrote. I suggest saving your money, and build your own. Be cheaper the way the carb price's are rising.
http://www.cliffshighperformance.com/
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Joseph Joe's 69 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543253 1969 GMC SWB-350 SBC 700R4 2013 Ram 2500 CC Laramie Longhorn Edition-6.7 PPEI EFI Live CSP5 5” ProFlo Exhaust |
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#38 | |
Registered Cruiser
Join Date: May 2002
Location: Las Vegas NV
Posts: 2,230
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Re: What's your carburetor preference for the 350?
Quote:
Like others have said, "...if you go to the track you don't see many q-jets or edelbrocks" With carburetors bigger doesn't always mean better. I've seen 359ci engines make almost 500hp with a Holley 4412 (500cfm 2bbl)
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I intend to live forever. So far, so good. |
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#39 |
GM ONLY BABY!!!
Join Date: Oct 2003
Location: Fort Wayne, IN.
Posts: 1,998
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Re: What's your carburetor preference for the 350?
True, bigger is not always better. You need a strong signal. Too much cfm and the velocity will not be strong enough. A 600 cfm will be plenty for any 350 - 400 ci. motor.
__________________
2 wrongs don't make a right, but 3 lefts do. 66 Chevelle Malibu 406ci, 573hp, 10.99@121mph 96 Chevy Silverado Z71 72 GMC 1500 Super Custom LS 6.0/4L65 on airride ![]() ![]() http://www.cardomain.com/ride/707879...mc-c-k-pick-up |
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#40 |
Registered User
Join Date: Oct 2012
Location: Columbia, MO
Posts: 72
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Re: What's your carburetor preference for the 350?
Thanks again for all the help. I hesitated posting this because I figured I'd be beating a dead horse, but I'm glad I posted it now. MUCH better answers on this forum regarding carburetors than ANYTHING I found during a Google search and multiple searches of various other forums.
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#41 |
Account Suspended
Join Date: Oct 2012
Location: phx, az
Posts: 868
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Re: What's your carburetor preference for the 350?
wow what a can of worms.
to sum this all up, kepp your carb on your truck, take your truck to get dyno tuned. have your igntition curve adjusted, have your carb tuned and jetted. get your vacuum modulator on your trans adjusted. new plugs/wires, make it run correclty. every carb mentioned in this post is a great one and will work perfectly if tuned to YOUR motor. |
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#42 |
Registered User
Join Date: Oct 2012
Location: burlington ky
Posts: 11
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Re: What's your carburetor preference for the 350?
Go with the q jet. They are easy to find in good shape. I keep an eye out at swap meets, junk yards and pick em up on eBay once in awhile. Get cliffs book as mentioned earlier. Barnes and noble has ot for $20 . I'm gonna use it to prep one for a c10 I just picked up. Cliff built a jet for me last year for my 68 gto. And it was spot on like fuel injection! Its the origional Carb on my 400 . It dynoed at 412 HP and 482ftlb complete with cast iron exhaust manifolds and stock intake. The a/f ratio was great just fine tuned the screws and set the idle.
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#43 |
Registered User
Join Date: Aug 2012
Location: Junction City, KS
Posts: 782
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Re: What's your carburetor preference for the 350?
I agree with Roller400, I been been in contact with Cliff over e-mail. Busy busy man from what I can tell. He gave me a little advice if I was to build my own, and has even built the same set-up I am running in my truck (96 LT1 corvette engine, carb'ed with Bowtie intake, LT4 hot cam swap, and HEI distributor). Told me he could provide me with a kit to the exact specification of my set-up for me to build my own.
I am still waiting to see what the price would be if he built one for me. I did a bunch of research and he has great reviews on all his work. So, waiting 9-10 months for one of Cliff's high quality Q-Jet builds would be great in my mind. My opinion is definitely go with a Quadrajet. You will get the best of both out of them, performance and fuel economy. I spent $225 on a Thunder Series 650 four months ago to run on mine. One reason, I haven't ran that style yet and I can get my return on it when I choose to sell. But a Quadrajet is in the works, just had been searching for a reputable business or person that builds them. Any choice will work, some work better than other. You have to learn how to choose for your application for what brand you decide to run. That's the hardest part. Running to small of a carb is not good, cause's the engine to run lean and in return runs hot and could damage pistons, rings, and such. If you choose to run Holley, use there website. There is an application on there to help choose the right one from them. Quadrajet, I suggest buying Cliff's book as I am going to. Edelbrock, I do not suggest running the 1406 600CFM, most people have issues with it to include myself. Do a google research on it and you will see what I mean. Other brands I am not familiar with, that have been mentioned but have heard good information about them. If you can't decide what size to go with after you pick a manufacture, just give them a call and they should be able to set you up with the right CFM.
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Joseph Joe's 69 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543253 1969 GMC SWB-350 SBC 700R4 2013 Ram 2500 CC Laramie Longhorn Edition-6.7 PPEI EFI Live CSP5 5” ProFlo Exhaust |
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#44 |
Registered User
Join Date: Oct 2012
Location: burlington ky
Posts: 11
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Re: What's your carburetor preference for the 350?
My cliff Carb cost about $550 but that was for my 68 unit that needed a little more tlc then a later unit
And I had it replated. 76 and later non computer controlled units are the ones to get. The castings are better, they have the improved float which gives the fuel bowl a bit more capacity and the adjustable apt feature really allows the part throttle a/f to be dialed in. Not to mention they all flow 800 + cfm. As soon as I figure what to do with this awesome 69 c10 I scored, I'm gonna tackle a q jet build myself. I know my around them pretty well but have never attempted a custom unit cliff style. Q jets are the zenith of Carb technology, the next step up was fuel injection. Pontiac guys routinely run them on 500 HP + big inch motors. |
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#45 |
Registered User
Join Date: Aug 2012
Location: Junction City, KS
Posts: 782
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Re: What's your carburetor preference for the 350?
Cliff gave me a price finally on building me a Quadrajet. $575 +shipping. I don't doubt his work by any means as it is proven, but my pockets just aren't that deep. So, I did a little more research and found guy that builds the Quadrajet's, seems to be done up as Cliff does for $359, and has a ton of history with building them.
Here is the link: https://www.smicarburetor.com/products/productID/852 Hope that helps you out c10boob, if you choose to replace your carburetor with a Quadrajet.
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Joseph Joe's 69 GMC http://67-72chevytrucks.com/vboard/s...d.php?t=543253 1969 GMC SWB-350 SBC 700R4 2013 Ram 2500 CC Laramie Longhorn Edition-6.7 PPEI EFI Live CSP5 5” ProFlo Exhaust |
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#46 |
Registered User
Join Date: Sep 2012
Location: canoga park, ca.
Posts: 120
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Re: What's your carburetor preference for the 350?
holly for me never had an edelbrock run right
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