97-gst
15+ Year Contributor
- 1,234
- 1
- May 16, 2010
-
Radford,
Virginia
Ill post log when i get on computer but I just installed new motor was trying to tune. 2nd gear wasfine little knock, 3rd gear at about 6k it started to pop a little and I threw cylinder 3 misfire code. Well when I let off there was a lot of blue smoke coming out. Would too lean cause this? Maybe ill get some different plugs too. Engine/fuel mods in profile also I'm on e85
third was 30 and dropping. Blew ic pipe when shifting to 4th