35-40 years ago most of us ran steel on steel with the 1/8 mod. Most of us also ran that heavy azz Speed Pro or TRW pistons. On rebuilds we had to take our flapper wheels and get the pins cleaned up so we could throw it back together.

1970 Duster
Edelbrock headed 408
5.984@112.52
422 Indy headed small block
5.982@112.56 mph
9.42@138.27

Livin and lovin life one day at a time