July 5, 2007 - A Dremel will work great. It has more to do with the bits that you select. You will need a carbide bit for the rough cuts, a sand paper cone to clean it up, and a stone if you want a high polish somewhere.

Cylinder Head Porting Tool, Carbide Burr Bit, 2.38 in. Bit Length, 0.375 in. Cutter Diameter, Single-cut, Each ... Carbide Burr, Aluminum Cut, Cylinder Shape Radius End, 0.500 in. Diameter, 1/4 in. Shank, 6.0 in.

July 31, 2010 - And to keep the burrs off the bit, use regular cheap motor oil. I find a few drops on a bit lasts about 5 to 10 minutes. After you're done using the carbide bits, finish it off with a 60 grit roll. The hardest part about doing a manifold is making sure you have the ports lined up right.

November 17, 2022 - Great Aluminum Porting Bits Supplier, Ideal Carbide Bit Tools for Porting Aluminum, Brass, Reinforeced Plastic, etc. Fast Ship. Enquiry Now!

I've got a couple gathering rust if you want to step up up 1/4 shank bits. Dusterbd13-michael MegaDork 8/7/23 5:50 a.m. ... Unfortunately not enough air for that kind of tool. Thanks though! ... Burrs are like saw blades, coarse for hogging out and fine for finish work. If you spin the burr into a piece of chalk, that will fill the kerf and keep the burr from getting loaded up with hot aluminum that you get to dig out later.

May 30, 2016 - I've had a look on ebay but it's all Chinese crap. Can anyone recommend a few different sizes and grits, and possibly where to buy quality bits from? Thanks! ... Die grinder goes much too fast for porting, which will mean aluminum melts when using carbide burrs.

December 11, 2009 - I use Single Cut Carbide Burs and a Die Grinder for Porting Aluminum. Very low RPM or the Bur will clog. Do not use the Double Cut Burs on Aluminum. They will clog like there's no tomorrow. I mostly use the Single Cut "Cylinder" and the "Ball" from this page...

Goodson carries a wide range of professional grade porting and polishing tools and supplies.

November 17, 2014 - Great company great service great tools. They even have a replacement plan. Sorry this sounds like a personal "plug" for them, but it isn't, I was just extremely impressed! ... You should always use a bit made for cutting non-ferrous metals when using it on aluminum.

Amazon.com: burr bits for aluminum

September 13, 2021 - Syndent cylinder head porting bits are ideal tools for porting an aluminum cylinder head as well as intake manifolds.

April 29, 2002 - For the metal/carbide burrs, spray some Wd-40 on them...It will keep the aluminum from building up on the edges of the cutter...It may get a little messy, but it should work...Another thing to do is to buy the metal/carbide burrs designed to be used on aluminum...They will have a higher helix ...

We cannot provide a description for this page right now

March 10, 2012 - I'm on the verge of collecting two burrs for port matching an aluminum manifold. I realize the ones specific for cutting aluminum are needed, along with a short & long shank. What I need advice on is the best shape, there are many to choose from such as round nose conical, round nose tree, ...

March 4, 2023 - I use the coarse tooth carbide burs with WD-40 or paraffin (candle) wax. WD-40 works best in my experience, especially when porting aluminum cylinder heads. ... Aluminum hates many or small teeth.

June 21, 2007 - Had a friend with a die grinder and some experience do some porting on the sc and intake. The problem with aluminum is it tends to plug up the bit. Pulled a tub of victaulic grease (as in plumbing) out of the truck and he said it worked a lot better than grinding compound.

October 17, 2018 - I use sanding cones for smoothing the exhaust port. I also have a wide assortment of various diamond-impregnated rubber and silicon-carbide-in-rubber shapes from Ace's Abrasives, mostly in coarse and medium, but also some fine. They work well in transfer tunnels. I've seen others use a 2 inch piece of 1/4" rod that they turned down to 1/8" on one side, and split on a bandsaw on the other. You can then insert a strip of Scotch Brite scouring pad to polish the aluminum like a poor-mans flap wheel.

January 24, 2010 - I haven't found an easy way to clean my carbide burrs yet but I have used coated ones that were amazing in their ability to not clog when cutting aluminum. Also when I use my own uncoated burrs I spray them with silicone spray once in a while during use, makes a huge difference in it's resistance to clogging. Home, down in the valley behind the Red Angus Bad Decisions Make Good Stories​ Location: British Columbia ... I use alumacut burrs and they don't clog at all. Cant help ya with the sand paper ones though. ... as you are porting grind them into some wax from time to time, stops the alli sticking , works on burrs and the emery