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Author Topic: Retard Ignition Rolling Antilag ME9 help  (Read 1410 times)
toolstoy
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« on: March 09, 2025, 05:01:51 AM »

So I've been making a rolling antilag for my Volvo and have got a somewhat working model with the logic below but it only builds about 6psi of boost. I have it triggered by cruise control button.
I read on posts that you either need to retard timing via zwout. I tried adding code to change zwout but it went to limp mode. Unfortunately my FR is a Ford one and doesnt match the Volvo subroutines. What's everyone doing with the ME9 to successfully retard the timing?

Thanks in advance

Code:
lhz r31, (nmot_w - 0x7FFFF0)(r13)
cmplwi r31, 0x2260 (above 2200rpm)
ble Exit
lbz r31, (wped - 0x7FFFF0)(r13)
cmplwi r31, 0x32
ble Exit
lhz r31, (vfzg_w - 0x7FFFF0)(r13)
cmplwi r31, 20
ble Exit
li r31, 0
sth r31, (szout_w - 0x7FFFF0)(r13)
li r31, 3
stb r31, redsol - 0x7FFFF0)(r13)
Exit
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prj
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« Reply #1 on: March 09, 2025, 12:41:11 PM »

Change zwgru and zwmin both at the same time, done.
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toolstoy
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« Reply #2 on: March 10, 2025, 11:21:56 PM »

Change zwgru and zwmin both at the same time, done.

Change zwgru and zwmin both at the same time, done.

Thank you, I will give it a go.
I'll update.
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prj
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« Reply #3 on: March 11, 2025, 01:34:02 AM »

Thank you, I will give it a go.
I'll update.
Yeah and if it's not clear - don't mess with zwout.
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Yur1i123rus
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« Reply #4 on: April 07, 2025, 11:44:20 PM »

Yeah and if it's not clear - don't mess with zwout.

does this only apply to med9 and similar ones? or is it generally not worth doing this?
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fortis_moto
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« Reply #5 on: April 08, 2025, 04:42:45 AM »

I can done it on the me9 for a fee it someone want  Wink
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Yur1i123rus
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« Reply #6 on: April 08, 2025, 10:30:56 AM »

I can done it on the me9 for a fee it someone want  Wink

If I wanted someone to do it for me, I know who I can contact on this forum. I think there is another section for these messages.
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Blazius
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« Reply #7 on: April 08, 2025, 03:41:10 PM »

does this only apply to med9 and similar ones? or is it generally not worth doing this?

Dont know about 'others' but on ME7 , for example on custom LC code I manipulated zwgru with great success, zwout shouldnt be modified directly IMO(iirc it doesnt like it that much Cheesy)
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fortis_moto
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« Reply #8 on: April 09, 2025, 01:23:25 AM »

u can also try using zwcalcar that’s what I do and it works great
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Yur1i123rus
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« Reply #9 on: April 09, 2025, 04:06:31 AM »

Dont know about 'others' but on ME7 , for example on custom LC code I manipulated zwgru with great success, zwout shouldnt be modified directly IMO(iirc it doesnt like it that much Cheesy)

Thank you. Useful information for me.
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