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Reload this Page So. Talk to me about this new "SOI offset".
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  #11  
Old Sat, December 26th, 2009, 11:44 PM
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Originally Posted by soutthpaw View Post
so the Delay map is actually giving the PCM an estimate of the time between commanding SOI and the actual physical event taking place??? is that correct??
Yessir!
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Old Sun, December 27th, 2009, 12:21 PM
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Originally Posted by soutthpaw View Post
Under parameters there is a SOI offset too though....
If it's the one near the top that says "global offset", then that parameter takes whatever calculation for SOI that is made and automatically adds or subtracts that value across the board.

Say with all of the calculated SOI maps you would end up with 26.5 degrees of SOI BTDC at a certain operating condition. If you put a "-5" in the global offset parameter, then the PCM will tell the IDM to fire an injector at 21.5 degrees. Same if you put in a "2"; you'd end up with 28.5 degrees.
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Old Sun, December 27th, 2009, 01:21 PM
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That's it exactly.
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Old Mon, December 28th, 2009, 09:19 AM
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I just read through this again with all of the new pretty purple defined words......

Nice.
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