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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi Single Dominator to dual carbs question.Go | New | Find | Notify | Tools | Reply | |
| Single Dominator to dual carbs question. | Login/Join |
DRR Top Comp |
On say a 468" motor making 925 Hp on single 1300 Dominator does anyone know how much it would pick up with dual Dominators? Fairly confident it would make more but not sure how much or if it is worth it. Thanks in advance. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | ||
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DRR Sportsman |
It was worth .10 in the 660' on a 440" small block with 13 degree heads in a 3100 lb carThis message has been edited. Last edited by: 329L, Jeremiah Hall | |||
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| DRR Top Comp |
This particular motor is a 463 " SBC, pretty stout for a SBC but I want a little more. Lol. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR Sportsman |
The engine im talking about made 890 and 730 and runs 5.60s at 3100 lbs. A single dominator would only run hgih 570s. Jeremiah Hall | |||
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| DRR Top Comp |
That is substantial. I may try dual carbs. Thank you, https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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DRR Pro |
From what I've seen and read, the typical gains can be up to as much as 100 hp gain, but it's not due to just the carb.....manifold has a lot to do with it as well. Newer manifold designs and larger carbs have substantially closed that gap though....gains aren't as much anymore, and in some cases, there are no gains, but we're also talking about very high end stuff like MBE's billet intakes and others of similar design... Mark Goulette Owner/Driver of the Livin' The Dream Racing dragster www.livinthedreamracing.com "Speed kills but it's better than going slow!" Authorized Amsoil Retailer | |||
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| DRR S/Pro |
Your question is fine but you don't provide any specifics. Your carb is sized correctly for the power you state the motor makes so added cfm from 2 carbs will provide small increase in power, not enough to justify the dollars spent. If you do spend the money for a sheet metal intake designed for you motor combo you would likely see some increase in power but no way near the dollars it will take to make the swap unless you hate money! | |||
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| DRR Top Comp |
For another related question on a single four barrel with a small shot of Nitrous would a plate or fogger type system be best? Note: I know for big horsepower fogger type system would be preferred but I am only going to run 50-100 Hp near finish line to run number. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR Sportsman |
A fogger system has pills for each runner. I doubt you can pill it down for 75hp only gain. A plate would be preferable imho in your case. | |||
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| DRR Top Comp |
That is my thinking to. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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DRR S/Pro |
Bruce, from my experience unless your converter is really tight, your better off turning on the NOS early in the run. I found hitting it on the top end only raised the RPM and blew thru the converter and didnt make much if any difference in the ET. | |||
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| DRR Top Comp |
That is good information and I always run my converters on loose side. Ran into another issue on the motor but when I get it back together may make a few passes then order a new converter. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR Top Comp |
Another related question. I am going to need a little more to run the number, planning on adding a touch of Nitrous. Probably only about 100-125 hp. My question is how well do the Progressive controllers work? Can they be consistent? Or should I go with my original thinking of two stage with first stage about 50 hp and come in about 2 seconds in and then a second stage of 75 come in later and use it to compensate for weather and give me better top speed? https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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DRR Trophy |
50 - 100 HP with a loose converter will not help you finish line race. | |||
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| DRR Top Comp |
I understand that and will get converter for my combination after I dyno it again and determine exactly how much I need. My question is really about how well the progressive controllers work? https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR S/Pro |
No need for progressive timers. Turn it all on at .050 and off at 3 secs to start with and see where your at. The earlier you turn it on will make the most difference in ET. | |||
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| DRR Top Comp |
I have purchased Nitrous plate system. Just got basic plate and solenoids right now. Few questions which I think I know the answer but want your opinions before buying. 1. Is the purge solenoid required? 2. What about heater blanket? If so which ones do you use? I do not like the idea of a 12 volt heater running battery down as heaters draw a lot of amps. A 120 volt would have to be plugged in between rounds. What is preferred and why? 3. How long does 10 Lbs last with say 100 shot? 4. Instructions say you MUST have a separate fuel regulator for the Nitrous. Is that really necessary? https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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DRR Trophy |
I run a plate system from Induction Solutions and typically run 150-200 shot, here is what I can tell you: 1) yes, a purge solenoid is required 2) I use a 120V heater blanket I bought off amazon, works well, bottle pressure needs to maintain 900-950 lbs 3) I use 15lb bottles and it will use approximately 1.2lbs per run on a 150 shot turning on at .1 for 4.7 seconds, I measure the weight after every run 4) I would recommend a separate fuel regulator and getting a fuel flow gauge, my system needs to maintain 8lbs of fuel flow | |||
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| DRR Top Comp |
Very good information. I figured the purge was required and I was planning on buying the 120 volt heater blanket from Amazon, already had both in my cart but had not pulled trigger. That is using more Nitrous than I thought it would. https://postimg.cc/gallery/np3zpruo/ "Dunning-Kruger Effect" -a type of Cognitive bias where people with little expertise or ability assume they have superior expertise or ability. This overestimation occurs as a result of the fact that they do not have enough knowledge to know they don't have enough knowledge. Before you argue with someone ask yourself, "Is this person mentally mature enough to grasp the concept of a different perspective?" If not there is no point to argue. 4X NE2 CHAMPION. 2020 TDRA NE2 Champion | |||
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| DRR S/Pro |
Bruce, I have a 12V and and a 120v bottle heater, stop by and you can have both for $50 | |||
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Bracket Talk Bracket Talk Forum Tech Talk - by Abruzzi Single Dominator to dual carbs question.
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