do you like it smooth or a little rough?
do you like it smooth or a little rough? its not how it sounds....
im thinking of trying to port my throttle body and do all thoes other mods to it. i was talking to my instructor/engin builder at NTI and i asked him what flows better, mirror finish on inside of the throttle body or a dull finish (fine sand paper).
he told me the dull surface would flow better according to the flow bench and told me not to polish anything in the throttle body.
what is your 0.2 on this?
ryan
im thinking of trying to port my throttle body and do all thoes other mods to it. i was talking to my instructor/engin builder at NTI and i asked him what flows better, mirror finish on inside of the throttle body or a dull finish (fine sand paper).
he told me the dull surface would flow better according to the flow bench and told me not to polish anything in the throttle body.
what is your 0.2 on this?
ryan
I have to agree....seems like a smooth surface would flow more air...And in the TB, thats all you should really care about...
I don't know about "polishing" it....but a nice, fine sandpaper should suffice...
-Will
I don't know about "polishing" it....but a nice, fine sandpaper should suffice...
-Will
You raise a good question. I've taken a few physics classes in college and remember learning how objects with a rough surface can pass more air, more quickly than objects with a smooth surface. This is why a tennis ball will move through the air quicker than a smooth ball with equal mass and size. The fuzz on the tennis ball creates a buffer between the ball and the main air stream, allowing the air to move around the ball quicker than if there was no buffer (i.e. with a smooth ball).
I'm no physicist, but this idea might be a reason for the variation in flow between a polished and unpolished TB on a flowbench.
Chris
I'm no physicist, but this idea might be a reason for the variation in flow between a polished and unpolished TB on a flowbench.
Chris
thanks, he is sapose to be giveing us direction on how to build a flow bench sometime soon out of parts from lows. im going to try to find 2 throttle bodys and port one and port&polish the other and see which one flows better.
Originally Posted by mean02Z28
You raise a good question. I've taken a few physics classes in college and remember learning how objects with a rough surface can pass more air, more quickly than objects with a smooth surface. This is why a tennis ball will move through the air quicker than a smooth ball with equal mass and size. The fuzz on the tennis ball creates a buffer between the ball and the main air stream, allowing the air to move around the ball quicker than if there was no buffer (i.e. with a smooth ball).
I'm no physicist, but this idea might be a reason for the variation in flow between a polished and unpolished TB on a flowbench.
Chris
I'm no physicist, but this idea might be a reason for the variation in flow between a polished and unpolished TB on a flowbench.
Chris
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