i have my tune about lined out. my only problem is when i'm cruesing on the interstate around 70mph i can roll into boost with as little as 37% throttle some time less. around this area the a/f is good right around 11.5. but if i give it to 40% where the pe and be come in it goes all the way down to 9.5. how do i lean this area out? this is all around 2000 rpm.
'04 Tahoe AWD, trickperformance turbo kit, TC78 turbo, 4"magnaflow muffler, Circle D triple disc 3,000, FLT LVL 7 4L60E, L92, 227/235 111lsa.
Old 5.3=12.33 @110mph
http://www.streetfire.net/video/turb...mph_741849.htm
Post your tune and a log. Do you have a MAF still or SD? Sounds like your fueling tables are incorrectly tuned and the PE/BE is not setup correctly.
Sulski Performance Tuning
2000 WS6 M6 - LS6 (long block, refreshed top end), 10.8:1 CR, 90 mm ported FAST, Exo-Skel, 227/232 cam, QTP HVMC, EWP, GMMG, 9" w/4.11s
2018 Sierra SLT 5.3L A8 - Airaid intake tube, GM Borla catback, L86 Intake/Ported TB
no maf 2bar sd. here is the tune. and last log. i think i logged it right lol.
'04 Tahoe AWD, trickperformance turbo kit, TC78 turbo, 4"magnaflow muffler, Circle D triple disc 3,000, FLT LVL 7 4L60E, L92, 227/235 111lsa.
Old 5.3=12.33 @110mph
http://www.streetfire.net/video/turb...mph_741849.htm
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