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- Fri Aug 14, 2015 1:49 pm
- Forum: Realtime Delco Tuning
- Topic: 16250279 GM service number trying to figure out what I need
- Replies: 0
- Views: 4051
16250279 GM service number trying to figure out what I need
So I have a 98' GMC K3500 with the 7.4Ltr and a 4l80e. I'm looking for a .bin and .xdf file to try and get hooked up to my truck and start differing with it. I have a ELM327 cable and an using tuner pro RT. Just hoping for a little guidance I've read all the beginners info and it doesn't translate t...