Anyone here use the Quick Fuel Black Diamond Carb - Ford Muscle Forums : Ford Muscle Cars Tech Forum
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post #1 of 25 (permalink) Old 01-03-2017, 11:18 PM Thread Starter
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Anyone here use the Quick Fuel Black Diamond Carb

Yep still looking at carbs. Psig had told me of a carb Summit has that is basically a Holley and can't remember what it was called thinking just a summit carb. Looking at the black edelbrocks i ran across these and jumped around reading reviews and forum topics on them and they sound pretty good and just a bit lower priced than the black edelbrock. I'm looking at 600cfm. I am not a carb person and i refuse to put a holley on my car again, once was enough. I borrowed an edelbrock for a week or so and fell in love with it, had more pep than I've ever had on that car in the almost 40 yrs i've owned it. Ruined me! So my biggest problem is not being a carb person and i want something that is as close to plug and play as i can get. Autolite 4100 ease or as close to that as i can get. The edelbrock was that easy but curious about these Quick Fuel carbs. Basically a holley without the name on it but so far what i've read, not as finicky! Any opinions or experience?

At the moment I have a borrowed 4100 from FEandGoingBroke on the car. I could of kept it if I hadn't reminded him I borrowed it!! Darn it! Nawww, I'd return it even if he forgets again, i might need to borrow another part or something one day.


https://www.summitracing.com/parts/q...1957/overview/



1964 Galaxie 500XL convertible, 390 .040 over, Fedmogul rv pro-3000 cam

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post #2 of 25 (permalink) Old 01-04-2017, 07:55 AM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

If you don't like a Holley, you won't like a QFT carb, it is nothing but a Holley made by people who used to work for them

If you like the Edelbrock, I'd by that. They are responsive, but down on peak power, but if you like how it ran, that's what I would go with.


70 Sportsroof, 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C. modified Mass-flo EFI/reprogrammed A9L/CnC ported Victor.
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post #3 of 25 (permalink) Old 01-04-2017, 07:11 PM Thread Starter
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Re: Anyone here use the Quick Fuel Black Diamond Carb

From what i read it wasn't as apt to backfire as the reg holley and less adjusting to do. Only issue i might have with the Edelbrock is my foot. But other wise it was great. I almost was thinking it was the Ed that had the dead spot but it was the borrowed 4100 as the poor thing sat on a shelf for years and gary and i just swapped out the main accelerator pump and stuck it on the car. Always be forgetful but durn, by the time i'm '65 which isn't that far away, i won't even remember my name!!

Thanks for the input! Just need something that does well, easy to adjust and i can get out of my own way if needed. I'm a putt putt mostly driving in town so peak power isn't an issue really.

Weren't you in VA? I see it says Omaha now. You keep moving around!



1964 Galaxie 500XL convertible, 390 .040 over, Fedmogul rv pro-3000 cam

Always be yourself, because the people that matter don't mind, and the ones who mind, don't matter.

http://www.so-calgalaxies.com
http://www.galaxiesnw.com
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post #4 of 25 (permalink) Old 01-04-2017, 08:00 PM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

No carburetor will be any good if you lack basic tuning skills. (info gleaned by your report of Holley's being prone to backfire)
In the case of your Edelbrock, it sounds like you just got lucky by bolting on a carb that happened to be close to your ideal setup.

Didn't want that to come off wrong, but it's been my experience.
I think in your scenario, you should find a friend that can get whatever carb setup for you and there is no reason it shouldn't hold it's tune for a few years.

Good luck

1976 F100 390/c6
1963.5 Galaxie 446FE/c6
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post #5 of 25 (permalink) Old 01-05-2017, 04:03 AM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

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Originally Posted by ShotRod64 View Post
From what i read it wasn't as apt to backfire as the reg holley and less adjusting to do. Only issue i might have with the Edelbrock is my foot. But other wise it was great. I almost was thinking it was the Ed that had the dead spot but it was the borrowed 4100 as the poor thing sat on a shelf for years and gary and i just swapped out the main accelerator pump and stuck it on the car. Always be forgetful but durn, by the time i'm '65 which isn't that far away, i won't even remember my name!!

Thanks for the input! Just need something that does well, easy to adjust and i can get out of my own way if needed. I'm a putt putt mostly driving in town so peak power isn't an issue really.

Weren't you in VA? I see it says Omaha now. You keep moving around!
I am active duty USAF. I was in Las Vegas when we met at Knotts years ago (before you had the quarter hung) sometimes between 2002 and 2005, then VA, then Omaha, then Alabama, now Omaha again...my wife said she is done. Good thing I am approaching retirement!

No carb will cause a backfire, unless it's damaged or severely misadjusted, what I think you are referring to is that a Holley has an enrichment system called a power valve that can be damaged IF it backfires. They have added a check valve that tries to stop it, and it's rare, but Edelbrocks do not have that design.

FWIW, the Edelbrocks run well but don't make as much peak power, but we are talking single digits most of the time. We ran an Edel 600 for years on my dad's 390 and it did great. I like Holleys myself, but whatever you are comfortable with. You may want to consider having your distributor recurved at the same time. Having less mechanical advance, but starting at a higher initial advance and having the mechanical come in a bit quicker really makes a 390 drive nice on the street. Doing that and a fresh Edel or that Slayer, should work well.


70 Sportsroof, 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C. modified Mass-flo EFI/reprogrammed A9L/CnC ported Victor.
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post #6 of 25 (permalink) Old 01-09-2017, 09:08 PM Thread Starter
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Re: Anyone here use the Quick Fuel Black Diamond Carb

Ross, I hope i got that right, you have been moving around for sure! I knew you were AF as were we. I hate to say it but I miss the moving every 4 or 5 yrs. It's a love/hate thing, hated all the preparation for the move but once that was over i was ready to roll. We've been in this house a little over 5 yrs and i'm getting that "ok time to move" feeling. Gets in your blood or it does for some at least, me being one of them! Don't really want to start new but the little voice is saying lets see what it's like somewhere new.

I had a vacuum issue when i had the Holley on there in CA. Tbirdchick and I both bought the same carbs from the same place. She never could get hers adjusted right, mine caught fire and my starter crapped out at the same time and i said that was enough for me. With the 4100 and same vacuum issue it didn't care and didn't backfire. In the end recently, the guy who hung the quarter started messing with my carb and we found that i have always had a vacuum leak, well, not always but after changing spacers. The two rear screw heads on the bottom of the accelerator pump on the 4100 prevented the carb from sitting all the way down flat. So we ground off the front edge of the spacer and all was good. The carb itself still had issues and i put a kit in it and still probs so tried the edle. Thinking back on the 4100 and the secondaries, it has never kicked in since the day i put it on there, even before the vacuum leak. Might be something they did or didn't do when reconditioning it as it was an autozone special. But it lasted me 10+ yrs so can't complain even though it should of been longer and probably could be. I just got spoiled with that other carb. When i finally get a new one i will go to someone that hopefully knows what they are doing as i sure don't! Cliff is too busy working, we (I and the other guy that worked on the quarter) never hear from him and he never replies to texts. He's a pile driver i think it's called, pounds holes for high-rises and i know he does come home late so maybe tired. Maybe summer we will see him again! Til then Pete and I stay in touch, usually just a Hi but we know the other is alive still at least.

Hope you enjoy your retirement when it gets here! We retired in 2010..shoot that means we've been in the house for almost 7 yrs. No wonder i think it's moving time!



1964 Galaxie 500XL convertible, 390 .040 over, Fedmogul rv pro-3000 cam

Always be yourself, because the people that matter don't mind, and the ones who mind, don't matter.

http://www.so-calgalaxies.com
http://www.galaxiesnw.com
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post #7 of 25 (permalink) Old 01-09-2017, 10:43 PM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

Deb, the carb I was suggesting is the 600 CFM Summit carb, and is effectively an Autolite 4100/4010 that uses more common Holley jets, power valve, accel pump parts, etc. Many have run it, and it is gaining quite a good reputation for cost, reliability, economy and performance. Just a suggestion. Having said that, they released a new 500 CFM version 5 months ago that I feel would actually be a better fit for your engine and driving style.

David

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post #8 of 25 (permalink) Old 01-10-2017, 06:03 AM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

I have no experience with the Summit carb, but the Holley 4010 is a great carb. Mine is a 600cfm VS and worked great on a 390.

1976 F100 390/c6
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post #9 of 25 (permalink) Old 01-10-2017, 06:39 AM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

Best thing about Quick Fuel carbs is the tune ability. Every fuel or air metering orifice has screw in jetting. Vacuum secondary's can be adjusted with a screw. As carbs do these are my go to these days.
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post #10 of 25 (permalink) Old 01-11-2017, 01:35 AM Thread Starter
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Re: Anyone here use the Quick Fuel Black Diamond Carb

Psig, I was trying to remember what carb it was from Summit that you mentioned in yakima, i could only remember it was like a holley but also a 4100. Shoot maybe you couldn't remember then either. I'll look at it.

Turbo, that's what i've been reading in reviews of the quick fuel carb. Tunability and fairly easy set up and not the issues the holleys have or as many. Most all of the reviews i've read it's almost as easy as the 4100 for initial set up. I am not a carb person and the 4100 i could put on, adjust air/fuel and go. But now I had a taste of a different carb and although i used to say you can't go wrong with a 4100 and many have used them for occasional drag racing, i find my self wanting something new. But then that 4100 had issues from day one that i didn't realize which kinda shows the kind of carb person i am!

I'll have to read some reviews on the Summit carb now also. I liked that pep and get up and go i'd never had ever in the shotrod. It was quite a shock to have the tires break loose while moving when i would have to power brake to get that before. Which i might add, i hadn't done since i was a teenager with it. I got slow. But can think of many times I wish I had that to get out of my own way in some instances on the freeways etc.

How plug n play are they in your opinion turbo since it sounds like you have had more than one.

Oh and psig, i agree, for my driving even a 500cfm would work. I'm becoming a little old lady and not the one from Pasadena! lol



1964 Galaxie 500XL convertible, 390 .040 over, Fedmogul rv pro-3000 cam

Always be yourself, because the people that matter don't mind, and the ones who mind, don't matter.

http://www.so-calgalaxies.com
http://www.galaxiesnw.com
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post #11 of 25 (permalink) Old 01-11-2017, 08:56 AM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

What has been done to your engine, gearing, tire dia ,goals ?

The Quick Fuel carbs can be quite bolt on. How bolt on it can depend on engine build and series of carb selected.
IE a street series on a really hot engine opposite a fairly stock engine with a performance series.

A rather mild build and economy / performance oriented would select one of these

https://www.quickfueltechnology.com/...slayer-series/ a 600 in this series
I just installed a 750 version of this series on a 77 Tbird with a 351W orig engine its bit large but works well whoever purchases the car might want t do some other mods IE cam heads gearing

https://www.quickfueltechnology.com/...680cfm-vs.html
maybe a 680 in this series.

Both these series I believe have the Ford kick down linkage ability street series for sure Street HR series some of the bigger ones maybe not.

I also recomend getting your hands on a Holley book by HP and read up on how to tune a holley style carb.
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post #12 of 25 (permalink) Old 01-13-2017, 12:53 PM Thread Starter
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Re: Anyone here use the Quick Fuel Black Diamond Carb

Basically stock 390, rv cam, bored 30 over. 600 or as psig mentioned even a 500 would work for my putt putt style of driving. I rarely get on the freeway even. When i do it's a minimum of 4-5 hour drive once or twice a year.

I think since I have had the edelbrock on there and know it was a simple swap and worked well i would be better off sticking to that. I don't know that the summit carb comes in black and if not then I won't bother looking into those even. Not that it makes any sense but I have my mind set on a black carb.

If the FiTech throttle body set up wasn't so high I'd go that route. In the future i believe the prices will go down on those when more companies are producing them. just like anything else out there. A friend has one on his '64 gm car and seems to be a fairly easy swap that even i could do.

Thank you for the input and suggestions turbo!



1964 Galaxie 500XL convertible, 390 .040 over, Fedmogul rv pro-3000 cam

Always be yourself, because the people that matter don't mind, and the ones who mind, don't matter.

http://www.so-calgalaxies.com
http://www.galaxiesnw.com
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post #13 of 25 (permalink) Old 01-15-2017, 08:56 AM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

One comment on the Edelbrock. Although your engine may not need more than 500 cfm the way you drive it. The 500 Edelbrock has some very odd casting and flat shapes in the venturi and air horn. It really makes a crappy flowing carb. If you are going to go Edelbrock, which I think is a great match, go with the 600. Likely easier to find, and a much better design than the 500.


70 Sportsroof, 427 FE/489 cid, TKO-600, 31 spline 4.10, A/C. modified Mass-flo EFI/reprogrammed A9L/CnC ported Victor.
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post #14 of 25 (permalink) Old 01-15-2017, 03:25 PM
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I've been drooling over the 750 slayer for awhile now, the old leaky holley on my 351w needs gone though...Ill prolly pull the trigger in a few months, sure would like a manual choke though.
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post #15 of 25 (permalink) Old 01-15-2017, 05:14 PM
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Re: Anyone here use the Quick Fuel Black Diamond Carb

Manual choke setup costs $20..... so certainly not a deal breaker.
I've worked on three Slayers on other people's engines. Very impressed. All the best parts of the most sophisticated carburetors with a very low price tag. I think my QF SS735 cost $200 more with no appreciable benefit.
If I had to buy a carburetor tomorrow for a mild street, daily driver, or a street/strip car, it would be a Slayer.

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