So I've been tuning for about a year now with a handful of happy customers. Every car I've done has been easy...I mean real easy....except my car. I've been having a problem with my car breaking up at high rpms under the load of 2nd and 3rd gear (th400). It started with a professionally done tune and I've been trying to narrow it down. I just want to make sure it's not something I'm over looking in the tune itself. I have a log aswell with it breaking up at the top of 3rd gear. Barely noticable in the log but it is there. Also I apologize but my wideband wasn't logging but the narrowband mV are spot on....also was wondering if someone could check and see if their is a reason I can't run alot of timing in my car? It's a stock bolt on 2001 LS1 F-Body and every other car I've tuned can run alot more timing than I do....any input on that would be great aswell....
-Dave