GM settings are a good way to see what kind of dwell settings are with specific coils. The dwell times can be increased for better spark. I routinely use the stock settings plus 1 ms across the board in running voltages. It is safe enough and you can observe the power increase in all rpms. If you increase the dwell time too much you will degrade the coils and the life will be shorter. I’ve seen some run ls7 coils 6ms across the board for high boost drag racing. Definitely a good performance upgrade to increase spark dwell over stock settings. Best of luck!
Still searching how to wire the coils with A relay i have a single 75A relay . Should i trigger them with the green wire from holley harness? ill run mechanical fuel pump. Any tips which wires goes where on the relay
Any reason for having anything above 3ms in the idle, cruise, and decel areas? My understanding to the benefit of having lower dwell values in those areas is that it minimizes having the coils run hot when not needed (the less load, the less spark energy required). This is not a critique, I'm just new to tuning and trying to learn. Thanks.
Thanks. Yet another thing that could be fixed if they would just put up a simple formula on the page to show you how things are processed in the ecu. Like making a tack output for the first time, if you don't know it's times 1000 already you have no clue what to divide by and a simple formula to the side would explain it for most people very easily.
Most of us are dumb bench racers.. could you better explain what issues incorrect ignition dwell would have on a car and when to start chasing dwell as a solution.
![What is Dwell Time? [GOLD WEBINAR LESSON]](/img/n.gif)
Wiring of the coils would be another helpful video. Keep the vids coming .
GM settings are a good way to see what kind of dwell settings are with specific coils. The dwell times can be increased for better spark. I routinely use the stock settings plus 1 ms across the board in running voltages. It is safe enough and you can observe the power increase in all rpms. If you increase the dwell time too much you will degrade the coils and the life will be shorter. I’ve seen some run ls7 coils 6ms across the board for high boost drag racing. Definitely a good performance upgrade to increase spark dwell over stock settings. Best of luck!
Still searching how to wire the coils with A relay i have a single 75A relay . Should i trigger them with the green wire from holley harness? ill run mechanical fuel pump. Any tips which wires goes where on the relay
yes trigger it with the green wire
Any reason for having anything above 3ms in the idle, cruise, and decel areas? My understanding to the benefit of having lower dwell values in those areas is that it minimizes having the coils run hot when not needed (the less load, the less spark energy required). This is not a critique, I'm just new to tuning and trying to learn. Thanks.
depending on voltage and fuel used no there isnt a need to run more than 3ms at idle and cruise
@@theholleyefiguy Thanks, Devin
Does increasing the dwell help with ignition performance?
if you have a lack of ignition energy now then yes
Thanks. Yet another thing that could be fixed if they would just put up a simple formula on the page to show you how things are processed in the ecu. Like making a tack output for the first time, if you don't know it's times 1000 already you have no clue what to divide by and a simple formula to the side would explain it for most people very easily.
Most of us are dumb bench racers.. could you better explain what issues incorrect ignition dwell would have on a car and when to start chasing dwell as a solution.
Yeah good point , same here.