pulled the heads off the nova and noticed a lot of metal chips in the oil return holes in the heads heads are very clean otherwise no cylinder wall ridge nice big domes pokin out. a hot tanking re-ring and bearing are in order as of this moment gonna do some motor compartment cleanup. and now im looking at a solid roller cam. them cylinder walls aint thin you should see this one dude who is having his motor built at one the local shops a .100 over 350 sounds a tad large but hey what do i knopw i still build 283s