High rpm ignition advance noise

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Topic: High rpm ignition advance noise (Read 14351 times)

prj

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	Re: High rpm ignition advance noise « Reply #15 on: September 16, 2013, 03:07:13 PM »

Most likely the reason it is pulling timing is because you are hitting TQ limiter on gearbox.
Also, hook up a wideband and verify the AFR you think you are running is what it is actually running.


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curamrdan

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	Re: High rpm ignition advance noise « Reply #16 on: September 18, 2013, 04:28:14 AM »

Gearbox TQ limit will not show on CEL when i hit them? Only silent fight with engine ecu?

And another question, why ecu request more boost/load after gear change(example 3 to 4)? Some correction?


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prj

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	Re: High rpm ignition advance noise « Reply #17 on: September 18, 2013, 02:19:28 PM »

It most likely does not request more load, but requests more boost, because the IAT is up.
Basics!


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curamrdan

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	Re: High rpm ignition advance noise « Reply #18 on: September 19, 2013, 03:03:48 AM »

Thanks, good to have confirmation from experienced people;)

And you didnt answered first guestion, so i assume that yes - no CEL on hit a gearbox TQ limit.


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prj

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	Re: High rpm ignition advance noise « Reply #19 on: September 19, 2013, 03:08:47 AM »

Yes, no CEL, it's like ESP.


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IamwhoIam

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	Re: High rpm ignition advance noise « Reply #20 on: September 19, 2013, 06:18:12 AM »

try going WOT in 5th gear at about 3000 RPM and then report back


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I have no logs because I have a boost gauge (makes things easier)

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