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Torque Management / HP Tuners - How Do I Get Around The 640 ft-lbf Limit?

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Old 01-16-2008, 12:17 PM
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Default Torque Management / HP Tuners - How Do I Get Around The 640 ft-lbf Limit?

640 ft lbs is the max legal torque the PCM will allow. We are hitting 640 ft-lbs and the timing is defaulting to 10 degrees despite being commanded a higher value. How do we get around this using the HP Tuners software?

Thanks,

Sean
Old 01-16-2008, 01:14 PM
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Post your .hpl scan showing this as well as your .hpt file used during the scan please.
Old 01-16-2008, 02:08 PM
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Sometimes setting tables to zero defeats this kind of limit.
But then again it might just not want to run. You could try.

Seems like a good problem to have....
Old 01-16-2008, 05:39 PM
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Originally Posted by Blown Vette
640 ft lbs is the max legal torque the PCM will allow. We are hitting 640 ft-lbs and the timing is defaulting to 10 degrees despite being commanded a higher value. How do we get around this using the HP Tuners software?

Thanks,

Sean


i would try setting the min spark table at that rpm to your desired spark advance.


hope this helps,

volkan
Old 01-17-2008, 12:52 PM
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Cant you just set B6601 to Disable, or set B0401 to an RPM higher than your rev limiter?
Old 01-19-2008, 10:23 PM
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B6601 is 'Axle Torque Limiting' and B0401 is 'Brake Torque Management Enable RPM'. The descriptions don't sound familiar within HPT.



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