Originally Posted by fbs63
In my experience the off shore heads don't make the power. Even if you get bare heads and do a good valve job, porting and quality parts they are down 30-40 hp on an engine dyno. They must cut corners with the casting cores in the ports and chambers. They just don't fill the cylinder the same.





Lol. Thanks I needed a great laugh 😂

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