I just fired up my motor yesterday after putting LT1 heads, intake, CC304 cam, and LT1 injectors on my 305. I'm running a distributor and was curious as to what base timing is stock for an LT1. I know they have electronic controls, but if anyone has datalogging stuff or chip tuning stuff, it'd be easy to tell. Maybe those of you who have modified your LT1/LT4s to run distributors would know as well. My stock timing is 6*, and that's what its at right now, but it seemed to maybe idle a bit better at 12* BTDC.

 

There are tables of advance as a function of RPM and MAP, one for idle, one for off idle. One of the screens for the off idle table is in my Scanner writeup.... only the part up to 4,000rpm. I think the rest of the table may be on the LT1_Edit site.

Drop about 2/3 of the way to the end of the document.

http://members.aol.com/InjuneerZZ/ScanMast.htm