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Oct 11, 2011 | 10:59 PM

#11

2007chevy5.3l

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From: Fort Worth, Texas

Quote:

Originally Posted by Rhino79

Interesting, I had a stock file that was like 45* in that area..lol I would try lowering the timing some, it may just be too far advanced.

Heres a stock timing table for my LMG...

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Oct 11, 2011 | 11:03 PM

#12

2007chevy5.3l

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Im thinking of trying this??

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Oct 11, 2011 | 11:14 PM

#13

Rhino79

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Give it a shot, I see no reason to run 50* in such a no load area.

Oct 12, 2011 | 12:13 PM

#14

2007chevy5.3l

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Will changing the timing in these areas throw off fuling? Havent tried it yet but I could see a 10* timing change screwing with the fuel trims

Oct 12, 2011 | 01:25 PM

#15

Rhino79

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I would say very little, I would believe it would be more dramatic at a higher load.

Oct 12, 2011 | 08:44 PM

#16

2007chevy5.3l

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I lowered the low load/low rpm timing.. Heres a log of the changes. May have to do some fuel trim corrections?

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Tahoe fuel trim3.efi (173.3 KB, 105 views)

Oct 13, 2011 | 09:34 PM

#17

2007chevy5.3l

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Ended up lowering the Timing a Ton! Seems to be liking it so far...
Attatched a before and after adjustments

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