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

PCM for less question

Old May 20, 2007 | 06:58 PM
  #1  
bkpliskin's Avatar
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From: Snow Belt, PA
PCM for less question

how much of a difference will I notice in my 97 Z28 with a PCM for less tune?
what settings does the tune change?
Old May 22, 2007 | 05:44 PM
  #2  
VinceTrifecta's Avatar
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From: Seattle area
Generally mail order tunes can see 15-20HP gain on stock or bolt-on LT1 cars. It can vary depending on the condition of the motor, types of mods, quality of fuel, etc.
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