I used to get my solvent from tractor supply but got tired of the stink. I switched to kerosene with zero complaints and a bonus is I use kerosene to burn several times a year so I can change out more often. I have a nice link saved from Yellowbullet on adding an oil filter to filter it if you are interested

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