I've attached an image of some carbide burrs, as everybody chimes in you'll pick up on which one to use in which area. comments sorted by Best Top New Controversial Q&A Add a Comment More posts. Keyboard shortcuts and copy pasting it didnt work. Does anyone know how i can use the symbol here. Then blend the swirl vane into the bowl floor, then work back up towards the seat. View community ranking In the Top 50 of largest communities on Reddit. Slowly work the port entry to that size, then move on to the short turn, it'll be the most challenging, just break the edges off and round it out. Use the gasket and paint as a template for the ports, don't worry about hogging the entire port out to that size, you'll want it to taper slightly kind of like a funnel. (Slow and steady while learning) pick up some cheap carbide burrs, you'll destroy a bunch while learning. This allows for fine tuning the RPM of the grinder. I made a custom rig for my grinder, I bought a cheap extension cord, two electrical boxes, one of which I put a round light dimmer switch in and the outlet in the other. There are a few areas that you can break through on that casting so focus on the flow path and not port size. FREE delivery Tue, May 23 on 25 of items shipped by Amazon. Just remember a large port doesn't always flow better, it's the air path that promotes flow. SI FANG 25Pcs Mini Sanding Engine Porting and Polishing Assortment Kit, 1-1/2 & 2inch Sanding Cartridge Rolls/Cone Spiral Rolls Full Taper Assorted Set (80/100/120/240 Grits) with 1/4'' Mandrels. A good light is also necessary, I find a flashlight shining in from valve seat area does wonders for visibility. Applications and games in the Porting Kit database Sub Forums: 172 - 18 WOS Extr. Be extra careful around the guides when narrowing. Also remember never touch the floor of the port, just raise the roof. Electric die grinder is the way to go, just remember to use slower RPMs while your learning, I had a grinder or 2 get away from me when I started learning, go slow and don't use a lot of pressure, let the carbide do the work for you. As mentioned don't mess with the swirl vanes, be sure not to get into the valve seat while blending. ![]() Back in my day I was pretty good with the double humps. You might PM fat kid, he's one hell of a porter.
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