Jerry,
Is it advisable to create bushing/ spacer to place between the plate and block that the bolt can run through? I wondered too about this gap.
Paul, I used this plate and tapped the block. Went fairly well, go slow and you'll be fine. If you have a scrap block you could do a practice run.


1970 Chevrolet C10
Grandpa's -- My first truck -- In progress to shiny
Follow the build in the Project Journal
1950 Chevrolet 1-Ton Dually
"Ole Red Girl"
In the Stovebolt Gallery
More pictures here
1951 GMC 9430 1 ton dually--Shiny! | 1972 Chevrolet C20- Rusty- the puzzle box lid for the C10 | 1962 AMC Rambler American- my wife's
Parts trucks-
1951 GMC 9300 | 1951-GMC 9430 | 1951- Chevrolet 1300