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Engines need air (and fuel and spark). Moving air efficiently through the combustion chamber has a huge effect on power and ...

Dave shows us what HeadGames does with a pocket port and different it is compared to a full port!

Thanks to Micro Center for sponsoring this video! Check out their New Customer Exclusive - $25 Off Your Purchase of $100 or ...

So today we're porting the F out of our 4AFE cylinder head. But the letter F in the title of this video doesn't mean what you think it ...

Excel instructions for approximate CFM calculation: https://youtu.be/XEMBDbgiE5A Download Excel CFM calculator: https ...

Tips on how to port a two stroke cylinder, what to do/not do and how to do it right. Support me on Patreon!

In this, episode 30, of PowerTec 10, DV looks at the absolute primary restriction to air flow into your engine. From there he goes on ...

Video game ports (ie. PS4 to PC, Xbox One, etc.) haven't always been works of art. Why isn't the transfer of a game from one ...

While waiting for parts necessary to continue with the new engine.. Lots of comments asking why I think it will be the most powerful ...

I decided to break this out into a small mini-episode because I feel like it's pretty important to know about this kind of stuff. I did a ...

DISCLAIMER: I am in no way encouraging or advising anyone viewing this video to attempt to modify their firearms. I am NOT a ...

When it comes to rotary engines, although they may all look quite similar, inside they can be quite different. In this video we break ...

Dave walks us through the journey of making the toughest shape in head porting, a circle! He shows some of his techniques on ...

Purchase a Seasonic FOCUS Power Supply at https://geni.us/F7w6w4g If you're having problems using certain devices on your ...

Today I do some testing of raising the exhaust port on my Kawasaki AR 50 with an Autisa big bore kit (93cc) to see if some more ...

Dave goes over the basics like what grinders he uses and what burrs to choose! Check out the links below for the tools we use.

The ultimate video on increasing horse power for your Harley Davidson Porting heads CONTACT: Branch_okeefe@verizon.net ...

Welcome to a short lesson about barrel porting by Jonny! If you have any more questions regarding the topic, please feel free to ...

If you want to hear what i think with NO filter check out my Johnny Nitrous channel (link below)... I will warn you tho if you are ...

The battle to make clean, usable power is won or lost at the cylinder heads. Here's a simple how-to that anyone can follow and ...