Search found 1 match
- Sun Mar 13, 2016 10:42 am
- Forum: General Motors
- Topic: Newb to tuning- mefi4 running on a 5.3 LM7 in a 91 k5 blazer
- Replies: 1
- Views: 6084
Newb to tuning- mefi4 running on a 5.3 LM7 in a 91 k5 blazer
Hi all. As the title says I'm working on a 91 k5 blazer that a buddy and I have swapped in a 2001 LM7 5.3 engine. I'm running it on a mefi4 of controller with a custom harness. It is running on a baseline bin file for a 6.0l. Starts and runs OK, but does stumble just off idle. Given the tune I'm run...