TTS: Iac help
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Cruiser
Joined: Jun 2014
Posts: 101
Likes: 5
From: AZ
Iac help
Ok so i had a tune and the bike ran perfect. I went from a 103 to a 107(due to a piston ring Failure) with more compression and bigger roller rockers and bigger injectors .
i learned a lot in tuning the last time with WIZ and setting the IAC
with the old tune the i set the IAC to the recommendation of the IAC analyzer and never looked back...
Here is where i am at so far,
the IAC cranking fuel was way to high so i cut it in half. It would cause really high idle off start then drop drastically,
No matter what i set the table to on the IAC warm up. The IAC valve it self continues to open steadily and cause the bike to hiccup and a small surge in idle.
long question short, why does the IAC continue to change value if i set it to what the table recommended?
im like 90% there. I just dont understand why it continues to rise with temp of the motor? What am i missing?
i learned a lot in tuning the last time with WIZ and setting the IAC
with the old tune the i set the IAC to the recommendation of the IAC analyzer and never looked back...
Here is where i am at so far,
the IAC cranking fuel was way to high so i cut it in half. It would cause really high idle off start then drop drastically,
No matter what i set the table to on the IAC warm up. The IAC valve it self continues to open steadily and cause the bike to hiccup and a small surge in idle.
long question short, why does the IAC continue to change value if i set it to what the table recommended?
im like 90% there. I just dont understand why it continues to rise with temp of the motor? What am i missing?
HD EFI Guru
Joined: Jan 2008
Posts: 4,453
Likes: 4,711
Ok so i had a tune and the bike ran perfect. I went from a 103 to a 107(due to a piston ring Failure) with more compression and bigger roller rockers and bigger injectors .
i learned a lot in tuning the last time with WIZ and setting the IAC
with the old tune the i set the IAC to the recommendation of the IAC analyzer and never looked back...
Here is where i am at so far,
the IAC cranking fuel was way to high so i cut it in half. It would cause really high idle off start then drop drastically,
No matter what i set the table to on the IAC warm up. The IAC valve it self continues to open steadily and cause the bike to hiccup and a small surge in idle.
long question short, why does the IAC continue to change value if i set it to what the table recommended?
im like 90% there. I just dont understand why it continues to rise with temp of the motor? What am i missing?
i learned a lot in tuning the last time with WIZ and setting the IAC
with the old tune the i set the IAC to the recommendation of the IAC analyzer and never looked back...
Here is where i am at so far,
the IAC cranking fuel was way to high so i cut it in half. It would cause really high idle off start then drop drastically,
No matter what i set the table to on the IAC warm up. The IAC valve it self continues to open steadily and cause the bike to hiccup and a small surge in idle.
long question short, why does the IAC continue to change value if i set it to what the table recommended?
im like 90% there. I just dont understand why it continues to rise with temp of the motor? What am i missing?
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