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NotchJohnson · 10-23-2002, 02:42 PM

Your right, porting and polishing is used on heads and intakes. Porting expands the size of the runners in your heads and intake, allowing more air to flow through, and you can also smooth out any obstructions that may restrict the air flow. An example of this is the "bump" that ford heads have on the top side of the exhaust ports. After you do your porting, you can polish the walls of the runners by using different grits of sanding bits. I know I may have used some wrong terminology, but hopefuly you get the idea. - John

10-23-2002, 02:42 PM	#2
NotchJohnson Registered Member Join Date: Oct 2001 Location: Florida Keys Posts: 593	Your right, porting and polishing is used on heads and intakes. Porting expands the size of the runners in your heads and intake, allowing more air to flow through, and you can also smooth out any obstructions that may restrict the air flow. An example of this is the "bump" that ford heads have on the top side of the exhaust ports. After you do your porting, you can polish the walls of the runners by using different grits of sanding bits. I know I may have used some wrong terminology, but hopefuly you get the idea. - John __________________ 89 notch-finally not stock!! ported gt40's, ported cobra intake, 65mm tb, 75mm maf, mac cai, lt's,prochamber, fms 1.6 rr, 125 shot.