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Timing tables

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Old 08-06-2014, 06:30 AM
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Car: BMW 735
Engine: 383 W/ SUPERAM
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Timing tables

I'm new to this, and in the past few weeks I've gotten the VE tables close enough to move on. Now I'm working on the SA tables, and I'm lost. I have a 727 ecm, and I'm using TunerPro along with Data analyzer V11. Is there any way to group the knock counts into cells (0-15) similar to the BLM cells, so the SA could be adjusted by cell rather than rpm vs kpa? I've searched a lot of posts, and the FAQ's, and I'm just not getting it.
Old 08-06-2014, 01:03 PM
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Re: Timing tables

First thing is identify if due to A/F or fuel or mechanical.

WOT can be optimized by MPH 1/4 mile with no KC.

Keep in mind optimal results on a dyno like the mfg's do.
Old 08-06-2014, 01:13 PM
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Re: Timing tables

Thanks for the reply, A/F's were bad rich when I started (108-116) Now that I have them at an acceptable level (124-131) I'm getting 1-6 degrees of knock retard depending on where the rpm/kpa is at.
Old 08-06-2014, 01:16 PM
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Re: Timing tables

Pull timing globally and see if it goes away. If not it is mechanical
Old 08-06-2014, 01:24 PM
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Re: Timing tables

by that do you mean applying say a .85 correction to all cells in the main sa table?
Old 08-06-2014, 02:26 PM
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Re: Timing tables

Originally Posted by htrdbmr
by that do you mean applying say a .85 correction to all cells in the main sa table?
yes
Old 08-06-2014, 02:31 PM
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Re: Timing tables

Thanks, I'll try it tonight.
Old 08-06-2014, 02:40 PM
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Re: Timing tables

The other option is race fuel added 50/50. I have a station near my home!
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