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

tunning so far

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Old May 20, 2008 | 04:20 PM
  #1  
vettedoctor's Avatar
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tunning so far

well so far i have added 2 degrees of timing all over the tables, adjusted my malf tables up 2.5% due to the car showing blm's in the area of 150 in all of the cells above idle. And since the transmission was just rebuilt with a shift kit i adjusted my shift table times to .550 for hot and cold. Now time for more data logs to see how much more to go. Trying to get blm's some where between 126 and 130 with the maf tables
Old May 22, 2008 | 10:21 AM
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I got my BLMs dialed in by modifying my MAF tables. Just remember that the MAF tables are not linear. I had to take out some in the lower only to add in the upper and not linearly. It took a lot of work but then I proved the success at the dyno with almost a perfect AFR.
Old May 23, 2008 | 09:35 AM
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i understand about the maf tables but my car is showing high blms all across the board. i am trying to get it close than fine tune it. i am also thinking about buying a wide band and working on pe mode on street driving but my guess if i can get my blms around 128 my car will run a lot better in pe mode seeing that it is running blms in the 150 area so my car is going pig rich in pe mode
Old May 23, 2008 | 08:01 PM
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No need for a wideband. Once you dial in your MAF sensor, you will be pretty much dead on on AFR in PE mode.

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