I just completed putting an LS3 in my 61 Impala. Almost ready to start it. I have 2 tunes I can start with. One is basically stock, the other has some changes made. The engine is stock other than headers. I'm new to tuning. Can someone take a look at the 2 tunes and give a recommendation which to use? Thanks in advance.
It should fire up if you do a write entire for the VATS removal.
Just make sure you have no exhaust leaks and your fuel pressure is correct.
2016 Silverado CCSB 5.3/6L80e, not as slow but still heavy.
If you don't post your tune and logs when you have questions you aren't helping yourself.
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