Why a 90 degree porting tool is a total game changer
If you've spent any time at a workbench trying to smooth out the rough casting inside a cylinder head, you know that a 90 degree porting tool is basically the only way to get the job done without losing your mind. It's one of those tools that you don't realize you need until you're staring down a tight intake runner or a weirdly angled exhaust port and realize your standard straight die grinder is about six inches too long to actually do anything useful. ...