This is preceisely what I did. The studs make sure it will align properly and the gasket was used as a template for the dye. I blended and removed material to match the gasket, therefore, both ports should match correctly - hence port matching. I've done a bunch of these before and it is not hard, just takes a bunch of time and a bunch of cartridge rolls and a good die grinder.

Increase in flow? I wouldn't expect much, just whatever you get from not having the ports 1/8" off as they were on mine in addition to the centers not aligning. I don't think it will hurt flow either since I could not touch the runners or bowls.

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Ron
http://www.gt40s.com
Lotus Turbo Esprit
Ford Lightning
RF GT40 Replica
Jensen-Healey: IT prep progressing!

[This message has been edited by rlearp (edited November 16, 2004).]