I have a stock 87 930 except for a 1 Bar spring and a BL- WUR. This year I want to install a MSD system. Went through lots of posts of how well the 6AL-2 worked and wanted to know does anyone have experience with the 6-BTM? I want to know if the programmable features are the same with each. I like the feature that the 6-BTM has where you plug in a tube to monitor manifold pressure and the adjustable ignition retard by lbs of boost up to 15 deg. Just want to know which one, the 6AL-2 or the 6BTM, is best for the turbo?
Want to be able to easily program the ignition curve to dial it in.
Thanks in advance.