Carburetor recommendations sought
#3227284
04/15/24 11:42 PM
04/15/24 11:42 PM
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Joined: Mar 2010
Posts: 284 Bennett, Colorado
Charger69RT8
OP
enthusiast
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OP
enthusiast
Joined: Mar 2010
Posts: 284
Bennett, Colorado
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1976 D100, A833OD, 318 w/ headers & Edelbrock performer 2176 intake. Cam is unknown, likely stock. If not, something near stock. Currently has the Carter TQ 9250S that was on it when I acquired the pickup a couple of years ago. And it is shot. Wiggle the primary throttle shaft and get a whistle. Although I'm a fan of the TQ's I've decided staying with one is too much hassle for this application. Going back to a 500 CFM 2 barrel might be best but that would require buying an intake and a carb. At new prices that's approaching EFI throttle body injection like fitech, Holley, etc. So for this reason I am hoping to find a small 4-barrel (600-650 cfm) that fits the intake, is dependable, and pretty much a bolt on and go.
Looking at Eldelbrock Performers 1406, AVS2, Demon 1900 or 1901. Others? Thanks in advance for all tips and recommendations.
2012 Challenger SRT 2012 Charger SXT AWD 69 Charger R/T 78 Chrysler New Yorker 440CI 89 Dodge Daytona ES 2.5L Turbo 99 Ram 2500 4X4 5.9L6
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Re: Carburetor recommendations sought
[Re: Charger69RT8]
#3227391
04/16/24 09:23 AM
04/16/24 09:23 AM
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Joined: Jan 2003
Posts: 12,160 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,160
Benton, IL.
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The Street Demons have modern features and tunes that the tired old CarterBrocks don't. The only guys that still prefer those old carbs are the ones with no experience with the Street Demons. Check for refurbished models on ebag. Some information on the Street Demons: 'I haven't had any time with the new AVS yet. We sell them at work. Looks nice. What I have done is swap an Edelbrock 625 AFB for a 625 Street Demon. I found the SD on Ebay needing some small repairs and a kit cheap so I got it. So far, it's been a pretty big improvement over the Edelbrock.......not that the Edelbrock was a poor runner. Just the contrary. With the SD though, the idle is smoother, the mileage picked up, but where it really shines is the transition into the secondary barrel. It's very smooth yet very noticeable at the same time. It goes right into the secondary circuit smoothly, but you dang well know when that thing opens. It sounds good too. lol' www.forabodiesonly.com/mopar/threads/avs2-compared-to-street-demon.427541www.youtube.com/watch?v=DPOuEOkazVcwww.speed-talk.com/forum/viewtopic.php?t=38709www.youtube.com/watch?v=YNAlVFtUFL4There is lots more information as well as tests out there.
Master, again and still
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Re: Carburetor recommendations sought
[Re: Sniper]
#3227393
04/16/24 09:30 AM
04/16/24 09:30 AM
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Joined: Mar 2010
Posts: 284 Bennett, Colorado
Charger69RT8
OP
enthusiast
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OP
enthusiast
Joined: Mar 2010
Posts: 284
Bennett, Colorado
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Thanks Stumpy. Had not thought of that. So I add this question. Will a two barrel give me better overall performance? By overall I mean drivability, mileage, and peak performance for the combo I have below the carb.
Sniper, The Mopar adaptor you speak of, is it for the throttle linkage? Thanks for any clarification you can provide. I get the impression you think the 1406 works well on a basically stock 318. Is that correct?
2012 Challenger SRT 2012 Charger SXT AWD 69 Charger R/T 78 Chrysler New Yorker 440CI 89 Dodge Daytona ES 2.5L Turbo 99 Ram 2500 4X4 5.9L6
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Re: Carburetor recommendations sought
[Re: Charger69RT8]
#3227438
04/16/24 12:33 PM
04/16/24 12:33 PM
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Joined: Jan 2003
Posts: 17,875 S.E. Michigan
ZIPPY
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 17,875
S.E. Michigan
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I had good luck with a swap meet Holley 1850 with electric choke conversion on that kind of a regular driver small block.
Rich H.
Esse Quam Videri
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Re: Carburetor recommendations sought
[Re: ZIPPY]
#3227452
04/16/24 01:20 PM
04/16/24 01:20 PM
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Joined: Sep 2003
Posts: 19,479 north of coder
moparx
"Butt Crack Bob"
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"Butt Crack Bob"
Joined: Sep 2003
Posts: 19,479
north of coder
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i really like the T-quads, and use them on everything i own. took me a few years to get to know them and sort them out, but i'm glad i took the time to do that. parts may be somewhat hard to find at times, but i have scooped up quite a few over the years, [including complete carbs] plus i made a program for jets and metering rods for a CNC lathe at work, and made a bunch of those items. they seem to work great ! unfortunately, that machine used a "tape" for the program[s], and the machine has been discontinued for a ton of years. the small "carterbrocks" work very well on several installations i have done, right out of the box. you must get the mopar throttle arm to make them work with the factory throttle cable and KD linkage. as to better fuel mileage with a two barrel, trying to tune the factory BBD, i have had about a 40% success rate in my many attempts. just my personal experience and opinion[s]. your mileage will vary.
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Re: Carburetor recommendations sought
[Re: Charger69RT8]
#3227482
04/16/24 02:39 PM
04/16/24 02:39 PM
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Joined: May 2019
Posts: 6,289 nowhere
Sniper
master
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master
Joined: May 2019
Posts: 6,289
nowhere
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Sniper, The Mopar adaptor you speak of, is it for the throttle linkage? Thanks for any clarification you can provide. I get the impression you think the 1406 works well on a basically stock 318. Is that correct?
Yes it is for the throttle linkage and required if you have an automatic, for the kickdown. I had no issues with it on my 318. Ran it since the 90's, still have it on that 318. As for the SD, lol. Always someone that has to jump on the latest shiny and say "look at me, ma".
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Re: Carburetor recommendations sought
[Re: Charger69RT8]
#3227502
04/16/24 04:01 PM
04/16/24 04:01 PM
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Joined: Jan 2003
Posts: 15,424 Omaha Ne
TJP
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 15,424
Omaha Ne
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I'll trade you a slightly used 1406 for your air cleaner, valve covers, and oil fill cap Actually you'd be better with a 1403 500 cfm. Or another option LINKY
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Re: Carburetor recommendations sought
[Re: TJP]
#3227595
04/16/24 11:47 PM
04/16/24 11:47 PM
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Joined: Mar 2010
Posts: 284 Bennett, Colorado
Charger69RT8
OP
enthusiast
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OP
enthusiast
Joined: Mar 2010
Posts: 284
Bennett, Colorado
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I love this place. Thanks Tom for providing it and all the people that take their time to share knowledge and experience.
DaveRS23- Thank you for those links. That provided paths for further research. Appreciated!
Topside-Totally on the same side as you on the TQ's. As well as the right foot reality. Thanks for your input!
tboomer- Real end user experience is priceless. Thank you!
Zippy- As noted above about real world user experience. Thank you!
moparx- I'll just say some of us were not wise enough to gather TQ supplies while they were still available. Would love to run one. I know them. But much easier solutions are available for a mutt like this pickup is. And of course part of why the Demon caught my interest. Very similar, and maybe some advantages. Need to study more.
volaredon-Will send you a pm shortly
Neil-I've searched multiple times for spread bore. The only new or rebuilt stock that comes from the major suppliers is Q-jets. Nothing for Holley leading me to think the one you speak of is not currently in production. In agreement with you on the older AVS's & AFB's but they suffer they same availability issues as the TQ's as you note.
Sniper- Thanks again for your further input and like those above the real world experience is invaluable. I get your point on the SD, but its worth a look and compare.
TJP- Sending you a PM as well.
Thanks again all for your time and responses. So much better than internet reviews and sales pitches.
2012 Challenger SRT 2012 Charger SXT AWD 69 Charger R/T 78 Chrysler New Yorker 440CI 89 Dodge Daytona ES 2.5L Turbo 99 Ram 2500 4X4 5.9L6
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Re: Carburetor recommendations sought
[Re: FurryStump]
#3227779
04/17/24 09:14 PM
04/17/24 09:14 PM
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Joined: Jan 2003
Posts: 12,160 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,160
Benton, IL.
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Ummmmmm, the Demon that you are referring to was a completely different one and from a different company than the new Street Demons. The new Street Demons are from Holley and were designed by a retired Carter engineer similar to the ThermoQuad. You can clearly see the resemblance. www.holley.com/products/fuel_systems/carburetors/demon/street_demonFor the guys that haven't ran ANY Street Demons, how on earth can you recommend another carb over them? If you have ran them and had other carbs do a better job, then that is one thing. But to recommend others over the SDs without having ran them is kinda hard to buy into. On STOCK engines, the SDs are the best OOTB carb I have ever installed. And like some of you, I have installed lots of CarterBrocks and Holleys on our engines. And let's be clear here; on modded engines, there are better choices than the Street Demons. But the Street Demons are darned hard to beat on the stock to mild engines for guys that want as bolt on and go as you can get OOTB.
Master, again and still
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Re: Carburetor recommendations sought
[Re: tboomer]
#3227836
04/18/24 08:44 AM
04/18/24 08:44 AM
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Joined: Jan 2003
Posts: 12,160 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,160
Benton, IL.
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I guess that I don't understand the particular point that you are trying to make. " Although I'm a fan of the TQ's I've decided staying with one is too much hassle for this application. Going back to a 500 CFM 2 barrel might be best but that would require buying an intake and a carb. At new prices that's approaching EFI throttle body injection like fitech, Holley, etc. So for this reason I am hoping to find a small 4-barrel (600-650 cfm) that fits the intake, is dependable, and pretty much a bolt on and go."First: The OP likes the ThermoQuad style of carburetors. Second: The OP wants "a small 4-barrel (600-650 cfm) that fits the intake, is dependable, and pretty much a bolt on and go." What fits those requests better than the Street Demons? Your swap meet CarterBrock needing a 'kit' does not. Your example is apples to oranges. You say you are happy with your CarterBrock. Two points on that: First you say your engine is modded. That is different than the OP's application and may, in fact, favor the CarterBrock. Second, have you tried a Street Demon to see if it is a better fit for your combo even though it is 'slightly modded'? And lastly, Street Demons are on the bag for $100 to $400, you don't have to spend $500. So comparing an exaggerated new price to a swap meet price is again apple to oranges. And wouldn't you think there is a valid reason why the CarterBrocks are so cheap? Cheapest is not necessarily the best, especially when it comes to carbs and even more so when when the preference is for "a bolt on and go" carb. Just another couple of thoughts.
Master, again and still
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Re: Carburetor recommendations sought
[Re: DaveRS23]
#3227921
04/18/24 03:50 PM
04/18/24 03:50 PM
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Joined: May 2019
Posts: 6,289 nowhere
Sniper
master
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master
Joined: May 2019
Posts: 6,289
nowhere
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I guess that I don't understand the particular point that you are trying to make. " Although I'm a fan of the TQ's I've decided staying with one is too much hassle for this application. Going back to a 500 CFM 2 barrel might be best but that would require buying an intake and a carb. At new prices that's approaching EFI throttle body injection like fitech, Holley, etc. So for this reason I am hoping to find a small 4-barrel (600-650 cfm) that fits the intake, is dependable, and pretty much a bolt on and go."First: The OP likes the ThermoQuad style of carburetors. Second: The OP wants "a small 4-barrel (600-650 cfm) that fits the intake, is dependable, and pretty much a bolt on and go." What fits those requests better than the Street Demons? Your swap meet CarterBrock needing a 'kit' does not. Your example is apples to oranges. You say you are happy with your CarterBrock. Two points on that: First you say your engine is modded. That is different than the OP's application and may, in fact, favor the CarterBrock. Second, have you tried a Street Demon to see if it is a better fit for your combo even though it is 'slightly modded'? And lastly, Street Demons are on the bag for $100 to $400, you don't have to spend $500. So comparing an exaggerated new price to a swap meet price is again apple to oranges. And wouldn't you think there is a valid reason why the CarterBrocks are so cheap? Cheapest is not necessarily the best, especially when it comes to carbs and even more so when when the preference is for "a bolt on and go" carb. Just another couple of thoughts. LOL Someone is stretching hard to push a street demon. Cheap street demons on Ebay. Probably needs a kit. Probably a reason they are cheap. Any out of the box universal fit type carb needs tuned to work best, ANY. Claiming a SD works "out of the box" is no different than the same claim made for an 1406 or an 1850 for that matter.
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Re: Carburetor recommendations sought
[Re: Sniper]
#3227938
04/18/24 05:06 PM
04/18/24 05:06 PM
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Joined: Jan 2003
Posts: 12,160 Benton, IL.
DaveRS23
Special needs idiot
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Special needs idiot
Joined: Jan 2003
Posts: 12,160
Benton, IL.
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Wrong as usual there sniper troll.
And the claim is that they work better OOTB than most any of their competitors. Not that they are 'perfect' or that they would never need any tuning. There are valid reasons why the Street Demon is a better choice than many of their very dated competitors. But you don't seem to know about any of that.
The Street Demon just happens to perfectly fit the OP's preferences. That is the ONLY reason that I bring them up. I even narrowed their preferred application substantially. They are not the end all, be all of carburetors. But they do fit the O.PO.'s preferences better than any other carb that I know of. I most certainly would NEVER recommend the CarterBrocks to anyone hoping to 'bolt on and go'. All you have to do is to look at their tune chart for the rods and mains and most guys would run the other way. Then there's the lack of ability to tune the transitions without a drill and bits. They are not a bad carb in and of themselves, it's just that there are better choices for applications like the O.P. But, if you haven't ran them on different combos to see how they work, it's understandable that you wouldn't know that.
If you know of a better fit for the O.P., then by all means, bring it up. Otherwise, you are just being yourself................as usual.
And by the way, the Street Demons new are about the same price as the CarterBrocks that you mention. And used are about the same price too. Depending on condition. So, who's stretching hard now?
Master, again and still
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