Before you buy an Edelbrock carburetor, watch this video! We’ll go through some of the really good things about the Edelbrock carb as well as a few things that are bad and one that is downright ugly.
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i pulled a edlebrock carb off my engine replaced it with a holley and it came alive both where new carbs quadro jet is a way better carb plus u can drill it out easy to work on just u must reseat the fuel bowl on the lead plugs or if it leaks at all it will affect the secondaries. the edlebrock i feel is the worse carb and the cheapest carb on the market junk not worth the money . u do know u will get better performance out of a quadro jet then a edlebrock carb and u can drill it out to 1150 cmf's . i have a bunch of edlebrock carbs most i got from rigs that they put one on and when i get it, it comes off and goes in a pile
Quick question on the two smaller vacuum ports in the front. Does it matter which one you use for the distributor and the transmission? Thanks
These are the worst carbs to actual tune. I’ve been doing carbs for 50 years and these come way to lean and getting them actually set up takes lots of time and assortment of jets and rods. I would rather dial in a Qjet than these terrible carbs. Also these charts are way off.
One my newest but favorite no nonsense channels now. Thank you
Went in and did a couple donuts with my double pumper on my dually. My feelings like you cannot supposed to do donuts with the dually what are you doing
Do you think the dual inlet fuel “rail”? that Edelbrock sells that basically has a hardline to both bowls helps the LH turn issue?
I once went to the drag strip driving my 700cfm AFB by edelbrock, and had with me 4 Holley carbs, it was a test and tune night at the local drag strip and I had a pretty good selection of the Holleys, one was an 830 annular discharge model, another 750 cfm double pumper, a 650 cfm double pumper and last a 600 cfm double pumper, I put each carb to the test and recorded their ET's and trap speed as well as the 60 ft times, after those 4 attempts I saw I had enough fuel to try one more pass, and since there was another hour before closing, (this was at the former LACR strip in Palmdale) I put the 750 cfm AFB back on and give that a try; what a revelation! The AFB beat ALL the holleys everywhere it counted, better ET, higher trap speed, faster 60 ft initial roll. From then on I sold off all the holleys and concentrated on learning all I could on testing and tuning the AFB. It paid off with powering my Nova to an 11 second ET and was always reliable and never leaked fuel on the manifold, and its adjustability is just crazy, you can do everything with this carb, its really a work of inspired art and superior to everything out there. I now use a Camaro with a 305 for just transportation and on top of it is a 500 cfm AFB that I dialed in for daily driving, and gets 17 mpg in town and 25 on the freeway. Never has a problem, idles well and always starts easily, plus has a good vacuum signal and powers onto the freeway easily, and has the drivability of a fuel injected car without all the complexity! Truly the best carb out there and still affordable!!
I've always preferred Edelbrock over Holley. I had a 1406 that I ran on several cars I owned, from a 305 Chevy to a 455 Pontiac, and I never had an issue with the stumble you mentioned, either off the line or when passing.
I think with the fuel starvation issue on the edlebrocks, there is a plug on the driver side where you can dual feed fuel to the carb like a Holley but i could be wrong n mistaken as it may still get the bog on left hand turns
I have a Edelbrock on my 302 for over 20 years and she just runs beautiful I had to put some needle and seats in it accelerator pump bug seal of damn gas but then nothing just run beautiful
If you can keep a Quadrajet(or a couple)cool they work great, hold a tune longer than most 4 barrels. Informative video thanks
They also are really bad about heat soaking and I convert every one of them to a dual inlet feed
I love carbs! Except Q-junk low cfm complex mess. When they’re adjusted they are great but that is only about 15-25% of the time. Webber, holley and edelbrock are all good carbs and run solid 95%of the time. The best is mechanical secondaries with a manual choke.
Is Elderbrock a sponsor for you? A friend had to go thru 3 brand new carbs until he got one that works! But I've seen many videos that right out of the box works great. Your thoughts.
I really like the edelbrock . Most trouble free carb ive ever used.
The AFB is a good carburetor have one from the 90s ,it sits and the thing I don't like is the single fuel inlet with two floats,when one float needle sticks it will still run and you think it's the accelerator pump. Not
The AFB
I'm watching this because I'm toying with the idea of getting an Edelbrock for my 302c that I've bought to re build and it has a 600 holley on it with black carboned up plugs.
I've never seen it run yet but I'm going to try re building the 600 and see if I can get it to run without ruining the plugs with carbon.
Might try measuring the jet size to see if some idiot drilled them out.
i just came across this video, and albeit older, i have not experienced the starvation from left turns, however i run a offroad carb i think a 1914 not for sur on model number but off road avs2
Takes me back to the days of AFB's & the WCFB's. The AFB's are the hot ticket for inline dual quads with those side mount fuel bowls. Like the Q-jet & Holley's spread bore models the AFB is a very PRECISE metering device. The SOUND of fire walling those Q-Jets with the air cleaner lid reversed & that BAW-WHAW sound when those big secondary sewer lids opened up I can never forget! It sounds like Edelbrock has taken the ole AFB to it's maximum performance level. To put a twist on one of General MacArthur's quotes "Old carbs never die, they just get rebuilt!"
Good video, thank you for sharing your knowledge. I've been an Edelbrock guy since the early 90s mostly because that's what I learned how to tune. I'm not 'anti' other brands, I just know Edelbrocks. Everything you said was true. Ive been able to get these carbs really cheaply from people that dont have the patience to tune them correctly, put them on an engine I have with a strip kit in one hand and teh book in the other and tadaa, works great. Its true they wont be on the fastest drag cars but my cars have been 100% street driven and I have found that once you get your combination correct, these carbs are rock solid.
Really informative video! One thought… why not fabricate an external primary pump? Little syringe where the pump rod lives… one issue I’m curious if you ran into is a lip about a quarter inch up in the primary pump cylinder,? Seems to limit the stroke of the pump. The cup hits it and the spring soaks up the rest of the travel. I wonder about honing it to get a little extra juice too.
These carbs can come alive with metering rod changes. These are basically the old Carter AFB. I had a metering rod kit back in the 80s. Woke it right up with smaller metering rods. Tested the Carter and holley back then on my car and there was no difference between the two. The edelbrock is lean from factory.
Excellent explanation, thank you
hey i have a sincere question. im building a 1991 chevy pickup single cab 350 5.7. im building it for off-road purposes it has a rollcage and fiberglass prerunner fenders. i want to remove the tbi and go carb. can i get advice about going that direction.
Good video well done
What are your thoughts on a edelbrock avs2 1406 600cfm converted to blowthru? On a 4.8ls gt45 turbo. Thanks
Great video unfortunately, I will no longer support O’Reillys here in New Mexico. One of their workers was caught doing drugs and fought a 16-year-old that watched him do the drugs while he was on the job. And he was never fired and now he is in a higher position.
Hello Muscle Car Solutions, thanks for the great video. I am on the fence right now with my stock 1990 Chevy 2500, I am having TBI issues I thought about swapping it for a Sniper or Etech, there have been more than a couple of guys complaining about the sniper , so I am considering going to a carburetor, I have always liked Quadrajets for stock engines, I have rebuild several back in the 80s and 90s, I never tuned one like you talked about I just figured they were set up for the engine they were put on. If me and my buddies modified our engines Holly was our go to choice. Now Holly has a Quadrajet replacement that has a spread bore base and larger secondary throttle plate.
If I convert to carburetor I have to change the intake manifold and the distributor, I am fine with that.
You gave me something to think about as far as the Edelbrock option.
I need this 90 2500 to travel from the L.A. area to the most northern part of Washington a few times in the next few months for are retirement relocation.
Any advice/recommendations would be appreciated .
Spindrift
Thank you for this video. I have an edlebrock Carb on a car and while driving 40-60 mph it would shutoff on quick left turns
Absolutely nothing good about these carbs! After they bought this design they destroyed this carb! Total trash! The original company that created it had it down! When ED bought it They changed it. It makes a better door stop than a carb! That's what I use mine for today!
I forgot to send my plastic I found in my jets. Yepp forgot to send it back to the manufacturer. I'm sure I'm not the first. Took the top off inspected things and found my plastic surprise. Hard and curly… I had the feeling I was buying junk . New brand new Fags. Dirty like my like dead dads bed sheets too
My question is what is the proper procedure for setting the idle/air mix when there are 2 carbs on top of a 6-71 blower? Do I turn the screws all the way in on one of the carbs first or? Enjoy your videos. Thank you.
If your timing is all wrong no amount of carb adjustments will fix it. The edelbrock/carter afb is a great street carb that holds a tune and is a set it and forget it carb
Never had such awful support in my life than from Edlebrock. I have called them seven times this week and never got an answer, only on hold, once for an hour before I hung up. When they eventually replied to my email after 6 days they said, "650 is good for your truck." No explanation, no suggestions, no effort. I returned the carb unopened that day. I am glad you had a good experience, but I will never deal with them again.
On cold start Holleys are better. It does seem to be an easier carb to set up on a new car. But I have had 3 Edwlbrocks that all leak down over night making hard morning starts.
Doesn't the fact that the gaskets are above the fuel level contribute to gaskets drying out?
Stay away from this Carb.. and Edelbrock!! They're tech line is horrible with either condescending jerks.. or completely unskilled people reading instructions they're coached to say.. the carb is absolutely garbage.. 3 accelerator pumps in 3 years.. excessive corrosion.. loose screws, cross threaded screws on the secondary venturies from factory power tools.. metal shavings inside the float bowl when new.. the Edelbrock air cleaner doesn't fit their cheapest carb without a 30 dollar fuel fitting. . They're throttle adapters and 700R4 adapters DO NOT WORK!!!
STAY AWAY
Question/ on my stock 340 chrysler i have a edelbrock avs1 650 carb i installed a delphi “stock” fuel pump after seeing your carb videos i checked my preassure it shows 6 psi idle but when i bring it up to 2000 rpm it says 9 psi? Pump specs are system pressure 6 psi max operating is 8 psi! Should i install a regulator??
Super stuff ty. Looking to do a tbi to 1406 edlebrock on a clean stock ‘95 5.7. I will be adding the 1/2 inch phenolic 4hole spacer – is that too thick in your opinion? Also which manifold would you go with? Thanks again, I saved this video for future reference too!
Where do you connect the electric choke to?
G'day from West Australia😉
I started watching your videos a couple of days ago.
For 1 specific reason.
I had not set up an Edelbrock carby for at least 15yrs.
It is probably pertinant to point out I started my Apprentership in 1981.
I have been a qualified Automotive Engineer for 43yr in Febuary 2024.
One of my strong points is indeed Carburetor tuning.
I started with everything European, ( the high dollar fast stuff) multiple carb stuff.
As a first year apprentice ( by the way I am a 3rd gen engineer in my family) my ex Ferarri Engineer boss learned I had been helping my father with cars since I was very young. And dad told my boss I anoy my father because I get more out of his engines than he could with carb tuning.
Guess what my boss did!!!
Gave me 7 carb tunning jobs on my very first day.
Most people that can't get abs and avs carbs working right don't understand the carbs…I won't use any other carb….they can be fine tuned to perfection….40 years of personal use and counting…
I have watched many videos where people call it an Edelbrock carb, I still call it a Carter carb. The design has not changed since the 1960's just a name change because Edelbrock bought the rights.
Sorry AVS 2 Carb, ugh…my mid was a terrible thing to waist, lol!
Please excuse my ignorance, but…not to old to try to learn at 63. I have a carter competition series, 625/650? cfm, from early 90's on my mopar 340.
I believe it is an "AFB" based carb.
I was wondering what is the difference between an "AFB" carb vrs one of the new Eddy "ABS 2" carbs, (old timers kicking in…I think I have the letters correct)
I am curious if the new ABS 2 carbs are a better design, for the street? etc.
I have issues with mine when it gets hot, heat sink no doubt. (my fault of course), But I still enjoy cruzing my '68 B'cuda "time machine" (1st car back on the road again), still trying to "get" how to tune these things. : /
Great video. BUT a hard left turn would uncover the passengers jet, not the drivers side jet like you demonstrated. Did you mean to say a hard RIGHT turn? Thanks for sharing your knowledge and for the quality videos.