Hey Carl, I put one of those inline spark plug tester with light; verrry faint, can barely see it
Points gapped at .018” for new points
I put the same tester on my running 49’ Suburban and that light is bright when running


1949 Chevrolet 3100 Suburban Carryall
"Bad Guy"
In the Stovebolt Gallery
More pix in Photobucket

1950 Chevrolet 3100 3-Window
In the Stovebolt Gallery
More pix on Photobucket

1966 GMC Suburban Carryall Custom
"Big Guy"
In the Stovebolt Gallery
More pix on Photobucket