Holley HP EFI settings
#1
I installed 8 Holley smart coils Work has been nuts so I got a late start.
I finally got everything installed and wired.
The crank trigger came with computer set up settings.
The MSD cam sensor didn't.
Do I set it for single pulse, Digital rising ?
And the output setup - EST output (12V)
Also the MSD cam sensor says that the ECU needs 10* advance over the total timing - they give 36 + 10 for 46* total.
So the crank trigger is set for 50 degrees advance so then the cam sensor should be at 60* ?
Are these the correct settings?
Thanks
Steve
I finally got everything installed and wired.
The crank trigger came with computer set up settings.
The MSD cam sensor didn't.
Do I set it for single pulse, Digital rising ?
And the output setup - EST output (12V)
Also the MSD cam sensor says that the ECU needs 10* advance over the total timing - they give 36 + 10 for 46* total.
So the crank trigger is set for 50 degrees advance so then the cam sensor should be at 60* ?
Are these the correct settings?
Thanks
Steve
#2
Registered

Joined: Aug 2003
Posts: 1,129
Likes: 32
From: Racine, Wisconsin
MSD cam sensor
single pulse
digital falling
I think Holley recommends 190 degrees before TDC for cam sensor timing. With the MSD if you set the mid point between when the led turns off to when it comes back on at 240 before TDC it will work fine. Or you set the side where the light comes back on at 190 before TDC.
Output setup is DIS coil on plug
The 240 number is based off my custom cam sensor oil pump drive and that number is dependent how the MSD sensor is mounted.
Double check the 190 degrees in the Holley literature.
single pulse
digital falling
I think Holley recommends 190 degrees before TDC for cam sensor timing. With the MSD if you set the mid point between when the led turns off to when it comes back on at 240 before TDC it will work fine. Or you set the side where the light comes back on at 190 before TDC.
Output setup is DIS coil on plug
The 240 number is based off my custom cam sensor oil pump drive and that number is dependent how the MSD sensor is mounted.
Double check the 190 degrees in the Holley literature.
Last edited by kvogt; 08-13-2019 at 08:42 AM. Reason: add stuff




