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| M-5 Racing Fuel | Login/Join |
DRR Top Comp |
Does anyone still run the M-5 racing fuel? Does it work with a carb? Did you make jet changes? How much ET did you pick up Carb or Injected? 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 |
Never run it but I was the track photographer when that stuff hit the market and the fumes were nasty. I haven't smelled that stuff in years. Denis LeBlanc | |||
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| DRR Pro |
Hey Denis, how have you been? Been a long time since the Burnout Wild Bunch days. I have 10 gallons of M5 I have been wanting to try in my car to pick up a tenth or so. We have a quick 16 Saturday and I might try it. Most say that is what it is worth. A tenth. I run Rons injection. Was going to fatten it up a pill size or two to try. Some guys with carbs say fatten 8-10 percent. | |||
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DRR Sportsman |
I run it with injection, but like anything, if you are currently tuned with max timing, pull 2 degrees, and add 1 back to see if mph picks up. If slows down, add fuel. Like nitro, it allows you to run a touch more timing than methanol. Being honest, i run it because it helps stack tickets better on my car. Mixing 50/50 with methanol gets me 02-03. My converter is loose (6500-6600) so it doesnt pick up as much as when the converter is a little snug. Jeremiah Hall | |||
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| DRR Trophy |
Jeremihah, How much RPM fallback at the shift with the convertor your using? Thanks | |||
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| DRR Sportsman |
Shift 7400-7500 (1.9 seconds) and falls back to 6600-6650, 1.80 planetary Jeremiah Hall | |||
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| DRR Pro |
^^^I like this^^^ & it should be what we are concerned about when bracket racing; over how much ET we will pick-up!  2BKING  1980 Camaro Taking the Best Working Small Tire Shyt Box & making it Greater Than Before! 3000 lbs. Pump Gas 436 | |||
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| DRR Top Comp |
Yeah sure, thats true....wink-wink . Dave F J B | |||
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| DRR Trophy |
M5 fumes are nasty stuff. Worse, IMO, than nitromethane. I've used it, found a little ET in the 1/8 (about 3 hundredths-which was exactly what I needed to get into the 5.80 index) and it was consistent. I won't run it again. Door car, headers underneath, the fumes in the car are not worth the .03. | |||
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| DRR Pro |
Kinda late but I tried the M5 in my car today. Fattened it up 2 pill sizes and picked up .04. I think it's still lean as my 60 ft was off for the ET. Quickest car ever ran but 60 ft was .01 slower than best. Maybe me but the smell wasn't all that bad. | |||
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| DRR Sportsman |
Put some fuel to it, until it starts dropping off. When it drops off, leave fuel alone, and add 1 degree of timing, and another if it liked it. Jeremiah Hall | |||
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| DRR Pro |
That's the plan. I am at 80 on the bypass now so I might go up a size on the nozzle. I have the timing backed up a couple degrees from optimal on plain alky. Hopefully the weather holds out for one last TNT. | |||
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| DRR Top Comp |
I think this has got side tracked. With Mechanical injection from my experience you do not have to fatten it up at all because the Nitro is heavier and it is a positive displacement pump. So it is pumping more pounds of fuel in same volume until you get to 25 or 30%. Now a Carburetor is different because it siphons the fuel off top and heavier fuel will not draw as easy. Must fatten it up. For years I would run a few percent of Nitro in mechanical injection when Density Altitude was really bad to run number. It was quite effective and I never changed jets or timing. But I only needed 3% Nitro even in really bad air like 6500 feet DA. I believe with the way a carb works you are going to need to fatten it up and not sure how much. 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 |
Well if I fatten it up another step and it goes the other way I will know to lean it out. Rather be on the fat side to start. Except for women that is. | |||
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| DRR Sportsman |
Words to live by sir....LOL Jeremiah Hall | |||
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| DRR Top Comp |
I agree it is safer to be on fat side. Just saying you need to be aware that on this Mechanical injection is completely different than a Carb. On injection I ran 8- O2 sensors on my data loggers and often ran low percentage of Nitro. It worked well and was safe tune up. Some I know who tried it with Carbs did not get same results. 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 Elite |
How is it with boost? Foxtrot Juliet Bravo | |||
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DRR Trophy |
Run both for years and M5 is good for a tenth over M1. If you hear a dry chirping noise it's lean so don't let it freak you out like it did me when I first tried it. | |||
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| DRR Trophy |
Luvtruck... Details please on Motor and Tune...That is a pretty big deal ..a tenth | |||
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