Originally Posted by StrokerPost
This I feel is so dumb that I can't believe I'm even asking, but I'm open to learning new things. LOL I know that we shot peen rod and cranks to make them more durable in high stress situations, I did this to my first race engine, but I'm wondering if cast iron exhaust manifolds can benefit from shot peening, can they be made to resist cracking by shot peening? Any input would be appreciated, and yes you may laugh laugh2 Thanks





I would do a little research into this. We used to send out our slitter and chopper knives in the steel mill with great success


https://trc.nist.gov/cryogenics/aboutCryogenics.html

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