That’s awesome! I can still smell the Castrol and Alcohol. We always sat near turn 2 as shown in the photo
Here’s where my pa used to take me when I was little. http://vallejospeedwayhardtops.homestead.com/index.html
One of the old hardtop drivers I remember watching as a kid, Larry Damitz, is still racing late models in Petaluma. He’s about 75 yrs. old now.