100’s if not 1000’s of 8 second passes with my Mopar big blocks running roller timing chains with zero issues. Some get caught up in tricks, some don’t. Spend YOUR money wisely.

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