Computer Diagnostics and Tuning Technical discussion on diagnostics and programming of the F-body computers

Table #'s help please

Old Aug 8, 2006 | 11:25 AM
  #1  
383TransAm's Avatar
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Question Table #'s help please

Can some one exsplain to me what the #'s mean in the VE Tables ?
Is that a percentage # baised on the Manifold Pressure for Fuel & Air??

This is where I get realy confused when looking at my tune.

Thanks
Old Aug 8, 2006 | 11:49 AM
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evilundisguised's Avatar
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Re: Table #'s help please

http://en.wikipedia.org/wiki/Volumetric_efficiency

In the VE tables, these are numbers (presumably measured or determined by GM engineers) that tell the PCM how much air is going into each cylinder based on the engine RPM and manifold pressure.
Old Aug 8, 2006 | 04:34 PM
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383TransAm's Avatar
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Re: Table #'s help please

Thanks.
Can you tell me how they go about figuring the #'s out?
Old Aug 9, 2006 | 08:55 PM
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Re: Table #'s help please

VE tables are used with Speed Density, 94+ LT1's are MASS AIR cars, and use the VE tables for backup along with some other things.

For a very detailed understanding of Speed Density, check out this:

http://www.megamanual.com/v22manual/mfuel.htm
Old Aug 10, 2006 | 08:34 AM
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Re: Table #'s help please

Ya mine is a 93 TA so the Speed Density applys to me.
Thanks I'll look the link over.
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