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Opinions on Megasquirt EDIS advance table

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Got all of the kinks worked out on my new engine and am now starting to dial in the tune. Trouble I'm having is with how much ignition advance I should be running. Looking over some other postings such as this one:


I see people running INSANE amounts of advance, up to almost 60* BTDC and in the mid 40s* in the 2500 RPM area where stock I thought the M10 ran with about 25* of advance. In any case, my current spark table is attached, and seems to run pretty well, but I feel I should be making a little bit more power and after seeing these others I'm wondering if I should be running a good bit more advance. My specs are as follows:

IE 9.5:1 pistons

IE 284 cam w/single HD springs


318i intake/325i throttle body

Supersprint headers

Also including data log, FWIW. Thanks for any thoughts!




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I have almost the exact same setup you have and I run the same table Dave Ganzer does in the thread you link to. It runs great! I definitely think you need more advance.

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any changes from the table?  I am setting up.... running the same set up basically... :)

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I'm running nearly exactly the same advance on my megajolt. I think I'm going to push the advance up to 40-42 degrees though since my motor is stock and I have had zero pinging under any conditions... 

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