Need a little assistance if anyone can help. i've got my truck to idle good and it drives fair but on a cold start it surges and might cut off, it sometimes surges when i'm driving and coming up to a stop. on WOT it pulls timing and will put timing back in after a few seconds. i'm chasing it constantly but i'm apparently missing something or overlooking it. any help is greatly appreciated and credited. Thanks in advance
vehicle is an 07 trailblazer SS 6.0
CAI, holley hi-rise intake, ported and polished MAF & TB, 243 heads ported and polished,
235/240 .629"/.615" 114LSA cam, stock injectors, built 4L70 with 4000stall and 4.10 gears
Attachment 84884
Attachment 84885
Attachment 84886
18-11-18 22-52-54.hpl
hi rise log.hpl