![]() simply start working around the port itself you don't wanna focus just in one area there 'cause what your going to start doing is really miss shaping the port itself so continue around continue to go deeper deeper inside of the port now again you can't do a lot of damage if all you are doing is smoothing the metal and not tried to reshape and remove a lot but where you do want to watch I'll simply flip this pig over the valve seats themselves you want to stay back a half inch what a lot of guys will do is get into the uh. very simple porting job can give you anywhere from two to eleven c f_m_ increase first thing you want to do start with this is a big block chevy that we have here this is the intake side take your intake gasket simply use a couple bolts here too just temporarily hold it in place and what we're going to do is scribe the gasket area itself around each point just take a carbide scribe so what we have one here we have a scribe line of areas of the metal we want to remove and one thing that you want to do when you're porting is remembered don't move too much metal what you want to do is simply smooth the casting area itself bring the metal the opening out here to your gaskets and then stay about a half inch back from the valve seat what we're going to do is start off with what's included in the kit is the six-inch role here so we can do to speed stuff especially if you are doing cast iron heads is we have carbide birch you can purchase carbide bars in a 3 inch length and a 6 inch length What these will do is just speed up the production time. take the mystery out of porting It's really not that difficult and its benefits are far rewarding and measurable even a uh. ![]() straight role here which gets you into the floor in the ceiling and the sides of the port a lot easier and then you have your taper this will get you into some of the tighter areas in the radius also what we include are two four-inch mandels and to six-inch mandels Alright, what what to do is take the uh. an assortment of eighty grit abrasive rolls you have your ah. ![]() Today we're gonna talk about something that may be magic to some others might just be the normal course of building a motor but it's porting a cylinder head you've already upgraded exhaust carburetor maybe even a cam now what you want to do is get the most efficiency you can out of better flowing heads this is a traditional small block chevy, this has happened to be an aluminum one and your exhaust ports here in your intake are pretty much just sand cast as is what we want to show you it's how you can port these heads and polish them and what we have here is a cut away of the same cast-iron small block chevy and what we're going to do here is to eliminate the flash that's on here in the rough cast and smooth the airflow what this will do is increase the offender will also get here a little bit more linear path coming down in there Alright, what you have in front of you here is the Eastwood cylinder head porting kit comes with uh.
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