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      02-11-2020, 10:23 AM   #6
anjuna
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Drives: f25
Join Date: Feb 2017
Location: houston

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EXHAUST FLAP, BURBLE, OVERRUN

This is a partial comment as I am running out of time for comments this evening. I will update this more as I have time with good tables, burble tuning, and overrun.

EXHAUST FLAP CONTROL - WORK IN PROGRESS, ADDITIONAL BEHAVIOR IS UNDER REVIEW
All these tables have the same columns types and row types
COLUMNS (rpm) - X*40
ROWS (Gear) - DO NOT USE DATA MEMORIES, use a ascii char and they are labeled as such - Reverse, Neutral, 1, 2, 3, 4, 5, 6, 7, 8 (For ZF8HP45)
VALUES (1 is CLOSED, 0 is OPEN) - (X/2.55)/100 THIS VALUE SCALING IS INCORRECT, IT APPEARS THAT THERE IS ADDITIONAL LOGIC FOR OPENING THE EXHAUST VALVE UNDER LOAD AS WELL. HOWEVER, IF YOU'RE LOOKING TO GET A START ON CONTROLLING THE LOGIC, THIS IS A GREAT START.

AKRGRCC - Exhaust Flap Control (?Mode?)
AKRGRCCAT - Exhaust Flap Control (?Mode?)
AKRGRCCATM - Exhaust Flap Control (SPORT)
AKRGRCCM - Exhaust Flap Control (SPORT)
AKRGRCO - Exhaust Flap Control (?Mode?)
AKRGRCOAT - Exhaust Flap Control (?Mode?)
AKRGRCOATM - Exhaust Valve Control (SPORT)
AKRGRCOM - Exhaust Valve Control (SPORT)

Exhaust flap control word (CWAKR) - my HW rev uses a value of "18" to enable this type of control.

If you want to run your tune with the flap open during sport (this is the sport position on the transmission shifter) then flatten out the sport tables with 0 everywhere.

Last edited by anjuna; 02-14-2020 at 08:42 AM..
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