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nick.parker
Regular


Location:
Perth
Registered:
January 2005
WANTED! 4AGZE ignition map Thu, 29 September 2005 11:32 Go to next message

Hi,

I'm wanted to know what sort of advance people are running particularly at 1+ bar of boost on their 4A GZE / GTEs.

Can somebody with aftermarket EFI send me a screenshot of their ignition map. I am mainly interested in a 8.0:1 compression engine, but also 8.9:1 would be fine too.

I have been playing with my home brew EFI again and its astounding the different even 1° or 2° in the right spot can make.....

Cheers, Nick.
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Henn
Forums Junkie


Location:
Rosanna, Melb
Registered:
June 2002
Re: WANTED! 4AGZE ignition map Thu, 29 September 2005 14:09 Go to previous messageGo to next message
Here is mine. Runs 10-11psi on 8.9CR pistons in a basically stock smallport ZE. Pings occasionally at full load at low RPM when everything is hot, or if I ever use non-98 fuel.

Hope it provides some sort of help.

http://img323.imageshack.us/img323/457/ignitionmap1st.gif

PS it was only tuned to 7000, so the last columns are meaningless. And ImageShack is choice.
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nick.parker
Regular


Location:
Perth
Registered:
January 2005
Re: WANTED! 4AGZE ignition map Thu, 29 September 2005 14:22 Go to previous messageGo to next message
Thanks Hen,
Can you please translate the left hand 'load' column into kPa for me or explain the relationship.

That map looks pretty rough in some areas not much blending of values into surrounding cells etc, yes I know your ECU probably performs interpolation, but that wont fix what I can see - some odd values in odd places! Have you got any weird drivabilty traits you sometimes notice? What's your fuel map like?
You expect some interesting features in fuel/ign maps but yours seems wrong.

For the record I'm running 130kPa boost peak from my SC14 and with 8.0:1 I can get away with 22 degrees at this boost. And yep, it goes like a bat out of hell in the mid range.

Thanks, Nick

[Updated on: Thu, 29 September 2005 14:33]

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Henn
Forums Junkie


Location:
Rosanna, Melb
Registered:
June 2002
Re: WANTED! 4AGZE ignition map Thu, 29 September 2005 14:28 Go to previous messageGo to next message
Sorry I should have added that 107% load is 1bar boost (so about 101kPa boost). More precise than that I cannot be, I didn't listen too closely after picking it up, I was too busy grinning.
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nick.parker
Regular


Location:
Perth
Registered:
January 2005
Re: WANTED! 4AGZE ignition map Thu, 29 September 2005 14:37 Go to previous message

Hi,
You should get your car tuned somewhere else and I promise you'll be grinning more. Sorry to be so opinionated and negative.

Cheers, Nick
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