Need some opinions
- Thread starter slow94
- Start date
Who's IGN1a's are you running? DIY, Holley, ??
Also, and I know you're getting tired of me saying it, but please follow these instructions as far as wiring goes. Your pinout might be different, but it's the grounding scheme that's the main thing.
https://documents.holley.com/199r10698rev1.pdf
I have two sets of coils now. One is from stinger and the other is summit racing brand. And they are wires correctly now but still an issue. There may be something inside one or two of the wires that is compromising the system. I just can't visually see anything wrong. However, I put in an order with Jolt Systems to have a new harness made up. Would rather have peace of mind knowing I have a fresh harness in there. Plus, it is made from thicker gauge wiring and should be better.
Sent from my Pixel 6 Pro using Tapatalk
Sent from my Pixel 6 Pro using Tapatalk
That's a nice harness!
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
Smart coils are an excellent choice for ignition on high compression / high boost race cars, but have very specific power and grounding requirements to hit their full spark potential. Our complete harness kit allows for just that with a simple plug-and-play installation. Our smart coil wiring...
joltsystems.net
Well it's a cam angle sensor and have asked them repeatedly if that could be the problem but they said it would show up in data logs as a loss of sync which the truck never does. Also the voltage loss at the coils is a big sign something is wrong.
Sent from my Pixel 6 Pro using Tapatalk
Yes it is. I called and talked to him Friday and it's definitely a nice piece.That's a nice harness!
High Power IGN-1A Smart Coil Harness Kit for v8 Engines - Valve Cover Mount
Smart coils are an excellent choice for ignition on high compression / high boost race cars, but have very specific power and grounding requirements to hit their full spark potential. Our complete harness kit allows for just that with a simple plug-and-play installation. Our smart coil wiring...
Sent from my Pixel 6 Pro using Tapatalk
Hmmm, define "should be at"
Had it at at 4.5ms prior to all this without issue and now I need it at like 1.5ms to run mostly clean. I should be able to run 6-7ms without issues whatsoever.Hmmm, define "should be at"
Sent from my Pixel 6 Pro using Tapatalk
What brand are you using? I just looked back at my emails with Matt Cramer from DIY Autotune, he recommended 3-3.5. Holley only recommends up to 5 with their "smart coils". Where are you getting your info to run so much dwell? My truck runs great on 3ms and 3.5 for starting.
Jamie V
Well-known member
What other settings are there besides dwell?
I was reading this but I do t fully understand all the settings they are talking about.
www.hpacademy.com
I was reading this but I do t fully understand all the settings they are talking about.
Ignition Duty % Calculation.
Start your General Tuning Discussions here. Get help with a tuning job and opinions on tuning strategies from experienced tuners from around the world.
www.hpacademy.com
I was using the ones from stinger and I bought new summit racing coils to rule out coils being bad. I know that you can run up to 8ms for short periods of time but 4-4.5ms is perfectly fine. 3-3.5ms is perfectly fine as well. However, the more boost you run the longer dwell time will fire the coils with more energy. I was running 4.5ms just fine without issue. Now the truck will misfire badly at anything over 2ms of dwell.
Sent from my Pixel 6 Pro using Tapatalk
I have also changed spark plugs and wires. Really the only thing left is the sensor within the cam angle sensor. However, stinger says that if it was bad I would have sync loss issues which I don't..going to try to test the 5v trigger wires on the coils with an oscilloscope... So now I need to learn how to use one lol.
Sent from my Pixel 6 Pro using Tapatalk
oilwell1415
Well-known member
Are you running a knock sensor? If so, is there a way to bypass it? We used to see issues with LS engines with cheap underdrive pullies that would develop random harmonics in certain rpm ranges that pulled timing and caused misfires. Don't know that this could connect in any way to dwell unless at higher dwell settings are contributing to something.
Went through every ground and it all seems good. Don't notice any difference with electrical loads.
Sent from my Pixel 6 Pro using Tapatalk
Hey Derek, do you have any way to log to an SD card vs logging to the laptop?