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Left and right BLMs are not equal.

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Old Sep 3, 2002 | 10:33 AM
  #1  
MarkLT1's Avatar
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Left and right BLMs are not equal.

I was just looking at some runs from datamaster, and my left and right side BLM and short term readings are not equal. The BLMs are very close most of the time (within 1 or 2) but the short term values can be off by 20-40 points. Anyone have any ideas on what might be causing this?? Its a new heads/cam, and I have done no tuning on it yet, but cam concerned about the asymmetry. Is this something that can be tuned??

-Mark
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Old Sep 3, 2002 | 11:15 AM
  #2  
Grumpy's Avatar
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From: In reality
Car: An Ol Buick
Engine: Vsick
Transmission: Janis Tranny Yank Converter
Re: Left and right BLMs are not equal.

Originally posted by MarkLT1
I was just looking at some runs from datamaster, and my left and right side BLM and short term readings are not equal. The BLMs are very close most of the time (within 1 or 2) but the short term values can be off by 20-40 points. Anyone have any ideas on what might be causing this?? Its a new heads/cam, and I have done no tuning on it yet, but cam concerned about the asymmetry. Is this something that can be tuned??
As long as they aren't pegging the BLs, don't worry about it.
Idle and cruise are such low load conditions, it's not going to hurt anything. If you want to compare banks at WOT, then you need two WBs.
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