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motordyne M370 mainfold installed and dyno tested

Originally Posted by GZ3 i would e-mail uprev and have them send you a tune, they have done this with me in the past...or go to another tuner...the AF ratio

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motordyne M370 mainfold installed and dyno tested motordyne M370 mainfold installed and dyno tested
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Old 10-08-2010, 04:18 PM   #1 (permalink)
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i would e-mail uprev and have them send you a tune, they have done this with me in the past...or go to another tuner...the AF ratio should "try" to be as consistent as possible all through redline, thats just way to erratic. and it shouldnt in the 14af at WOT, you need new targets for the car to hit
I appreciate the concern, the afr is fine, it's erratic because its not averaged, and it's in the 13's at wot. the shop that tuned my car has been tuning Z's for years with UpRev.
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Old 10-08-2010, 10:42 PM   #2 (permalink)
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I appreciate the concern, the afr is fine, it's erratic because its not averaged, and it's in the 13's at wot. the shop that tuned my car has been tuning Z's for years with UpRev.
Well then they should know with these cars 13:1 air fuel ratio is not the magic number on these motors as I've seen time after time with multiple tuned VHRs. They like the extra fuel, most power that was made for me was 12.4 - 12.5. I made 16whp+ over baseline on a 85 degree day with 60% humidity with a good amount of heatsoak.
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