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I didnt get to log it, but yesterday after some spirited driving, for the first time since I've been on stage 2, IAM dropped to .86. Ltft is consistently at -7 give or take 1%....I'm more than sure the perrin cai is the cause so I really can't wait for revised tuning for perrin cai
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Thanks for your interest in PERRIN! I'm including in this email an excel spreadsheet of what we've done to the MAF scaling for the normal size PERRIN intake. It's really not a whole lot different than the stock MAF scaling, since it doesn't need a whole lot of tweaking. If you work on the MAF curve some and find one that works better, let us know! |
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See previous post by "milhouse" for Perrin CAI scalling values Make sure you have a copy of your original (unedited) ROM in case of problems 1. Open up your tune ROM in Romraider 2.select "intermediate" or above user level 3. select "mass air flow/engine load" folder on left hand side 4. select "MAF sensor scaling" table 5. copy in the volts and air flow values in as supplied by perrin 6. save 7. flash Log and test :) as for the IAM dropping that will be knock possibly below 3500 rpm. log "knock correction" , RPM , engine load and see where it occurring 1. run better fuel 2. pull a bit of timing from the advance map in the problem areas. |
just finished rescaling the MAF values for the Perrin CAI...gonna get some miles on it before i post a log.
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check at the bottom of this post has scalings for perrin intakes and info to fine tune it. :D http://www.ft86club.com/forums/showthread.php?t=64790 |
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