Rasp Burr Finish Experiment (Porting)
Initial circular scatter pattern on intake port window openings. No gasket/head port matching has been done, the port windows of the Victor 340 were as cast, ootb before burr work:
Initial circular scatter pattern on intake port window openings. No gasket/head port matching has been done, the port windows of the Victor 340 were as cast, ootb before burr work: