Is the stock settiing the same for the first-gen. 4.6's? And if so, is 14 degrees a good starting point as well? The timing adjuster seems like a good cheap mod. but I don't have a dyno around to check tuning for best performance after install.
------------------
66 Tahoe Turquoise Coupe
Laser Red 96GT Ragtop
30 Years & 30 inches apart in the driveway!