I heard of a process called extrude Honing that permits the enlarging of
ports by passing large quantities of sand under pressure through the port.
The characteristic of this process is that it finds a 'natural' maximum flow
configuration as it is forced through as a slurry and acts like erosion
opening up the ports to increase flow. This has been a successful way for
late model performance increases in the long runner aluminum manifolds..
Best Regards,
Tim Ronak
Business Development Manager
Akzo Nobel Coatings
23961 Via El Rocio
Mission Viejo, CA 92691
Off: (949) 305-5393
Fx: (425) 955-6268
Cell: (949) 289-3357
email: timothy.ronak@akzonobel.com
VM: (800) 234-6747 ext. 2257#
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