What does Port and polishing heads do?
What does Port and polishing heads do?
“Porting” or “Port & Polish” refers to the reshaping and smoothing of the intake and exhaust passageways in engine cylinder heads. Polishing heads, or removing flaws that restrict airflow, is not difficult or costly.
Should I port and polish my head?
So, to save some time, I dropped the meat and potatoes up front. But for those of you who don’t know, porting and polishing your heads is beneficial for power and efficiency of the engine. In a lot of cases, because of the increased CFM of the heads, as much as 30 horsepower is typical with good port work.
Why do we port cylinder heads?
Cylinder head porting refers to the process of modifying the intake and exhaust ports of an internal combustion engine to improve their air flow. Cylinder heads, as manufactured, are usually suboptimal for racing applications due to being designed for maximum durability.
How much horsepower does porting heads add?
Porting the heads will definitely help airflow. You will gain 25 HP over the stock setup.
How much HP do ported heads add?
Should you port and polish your own cylinder head?
To alleviate some of the financial pressure, you can send your cylinder head to a machine shop for the porting and polishing job, but that will be expensive. The best way to save the most money while reaping the same performance benefits is to invest your own personal time into porting and polishing the cylinder head yourself.
What do you need to know about porting and polishing?
First things first, you need the proper safety gear. Porting and polishing involves grinding away metal and as such there will be grit, grindings and dust flying once you spin up the tools. Safety googles and a dust mask are a minimum; you may want a full face shield.
What tools do I need to port and polish my engine?
There are not a lot of tools needed to do your first porting and polishing job. You will need an electric or air powered high speed die grinder, some abrasive rolls and the mandrels they mount to, all of which are included in the Eastwood Engine Porting Kit with Die Grinder.
