I have been running a Pertronix unit in my Suburban for several years. I put a lot of miles on it so the main advantage for me is I don't have to file and gap points every 1000 miles. If you only drive 1000 or less miles a year I'd say keep it stock.

"It's just a phase. He'll grow out of it." Mama, 1964

1956 Chevy 1/2-ton 3100
1953 Chevy 6100 "The Yard dog"
1954 GMC Suburban Now with a new proud owner.