Tuning for flames on overrun. I'm not sure if i should go for negative timing or positive timing w...
Tuning for flames on overrun. I'm not sure if i should go for negative timing or positive timing when the throttle is closed to "ignite" the fuel. Key modifications include adjusting fuel injection maps, creating specific overrun ignition maps, modifying TPS to fuel/ignition correlation, implementing EGT limits, and adjusting boost control maps for turbocharged engines. Jun 12, 2025 · Learn how to make your motorcycle exhaust shoot flames safely with tuning, flame kits, and modifications while considering legal and safety concerns. Jan 1, 2021 · NefMoto > Technical > Tuning > Overrun Flames, Gargle, Pop Pages: 1 39 40 [41] 42 43 « previous next » Author Topic: Overrun Flames, Gargle, Pop (Read 521601 times) What would people recommend to do to get flames coming out the exhaust on overrun. It was the complete opposite of what the I'll share my Base Timing B map that I achieved flames with, you can also use the overrun method. Nov 30, 2012 · Re: ECU tuning for crackle on overrun - theory? Bee*R style to shoot flames out the exhaust and all the pop/crackle that goes with it is to retard ignition, fuel gets dumped into hot exhaust and flames ensue. Then, lean out the mixture, restore the ignition, and after ignition, inject more fuel again. any suggjestion to "overrun flames" would be well appreciated jullipg video of how to set up overrun fueling for flames on your BRZ/FR-S/GT86. com member. Pop & Bang tuning modifies ECU parameters to create a distinctive exhaust sound during deceleration. Maybe more than 80 crankshaft degrees (thanks to the acoustic tuning in the intake and exhaust pipe) When you downshift, rpm increase A LOT in a reduced period of time. NOT A PROFESSIONAL TUNER. Software Tuning Register and become an FT86Club. Anyone got any tips. But how do pop and bang tunes work? More to the point, are they bad for your engine . Nov 25, 2015 · We were discussing in the chat box about the alterations that would be needed to allow some crowd pleasing flames, or cylinder/rotor housing cooling on over run. Feb 18, 2018 · For novalty purposes only, flames out of the exhaust on decel, how does one achieve this? I understand you need excess fueling in the exhaust, id assume adjust dfco conditions and possibly retard timing on decel? Am i thinking along the right lines? ECU maps that make your petrol car exhaust go pop/crackle/bang and even on the real good tunes have flames coming out, definitely not new to the world of engine modifications I am trying to find out how to tune for bigger flames just for fun with my friends not for daily driving. Oct 12, 2005 · Re: Exhaust flames on overrun Wed Apr 30, 2008 5:07 pm Jersey Tom explained quite well why do we have fuel there, then: F1 engines has quite big valve overlap. Jan 5, 2025 · Andre actually advocates just disabling overrun fuel cut by itself vs turning off injection all together to help cool the engine on gear shifts/braking in a racing application. You will see fewer ads What is pop, bang, Flames? So ECU maps that make your petrol car exhaust go pop/crackle/bang and even on the real good tunes have flames coming out, definitely not new to the world of engine modifications as these have been around forever and a day, for those that like to show off at legally organised car clubs and monthly owner club meets. Initially overrun fuel cut would be deactivated, additional fuel would be added to the high RPM vacuum area from the attached picture, also some timing could also be removed in this area. below are references I used as well as the definition file location. Apr 22, 2011 · Exhaust flames on overrun, 413 ecu?? by jullipg » Fri Apr 22, 2011 1:47 am hello I just got an Ostrich II emulator in my 413 ecu and i am new to car tuning, i was wondering if it´s possble to turn the "overrun fuel cut" off and get some nice exhaust flames on shifting. As a result, ECU remaps that make your exhaust pop, bang, and flame when you lift off the throttle are popular. I wouldn't recommend staying on the flame tune for long, it's just a novelty thing. Apr 28, 2019 · E85 Overrun Pops & Fire on NA Software Tuning Jul 5, 2024 · But are they safe and should you get one? Fast Car investigates… Pops, bangs and flames; everyone likes that, don’t they? Well, hell yes you do. Jul 29, 2024 · To get flames from the exhaust, it’s best to inject a large amount of fuel with very retarded ignition timing and cut ignition events. I am currently having ignition on decell at 0° and overrun fuel cut off. While not new to the world of engine modifications, they are popular at legally organized car clubs and monthly owner club meets. Feb 7, 2024 · Flame tuning 413 by Blakearaeman » Sat Jun 08, 2024 4:10 pm Hello, my car is a 413 red label e36, I've been self tuning with an emulator and recently had success with a burble tune using this ecu (with help from this forum). The retard timing is something I assume tuners are doing on the rotaries in addition to injecting fuel because of the amount of flames I see under braking. My question is, how can I turn my pops and bangs tune into a flames/Gunshot tune? Apr 5, 2020 · Ecutek Overrun, Retard ign, flames. Overrun / Pop / Crackle What is POP, Bang, Flames ? Pop, bang, and flames are features in ECU maps for petrol car exhausts, creating popping, crackling, and even flame effects. I went back to the standard stage 2+ tune because the throttle input on downshifts with those types of tunes annoyed me even after multiple throttle re-learns. xiuu kckw xyjojdn szikqsw kbf qwqcck quk csormux ojpax dnmg