how to port and polish a throttle body (V6)
 

So acting on the inspriration of the 5.3 throttle body port. I started my 4.3 throttle body port project.
here is the throttle body from the 4.3. it sits facing straight up on the top of the engine.


[IMG]local://upfiles/3244/78C4A11B7E7940AD9F05394D1F6C15C7.jpg[/IMG]

RE: how to port and polish a throttle body (V6)
 

now the back.


[IMG]local://upfiles/3244/439F5C4DEE8D493782629B7C78F7221F.jpg[/IMG]

RE: how to port and polish a throttle body (V6)
 

notice inside there is a good similarity to the others. however on the back side of the blade there is this weird bulb sheild thing that blocks almost half of the air way WTF!!!!

[IMG]local://upfiles/3244/B1496A7ABCA94D279EE7497D670275EC.jpg[/IMG]

[IMG]local://upfiles/3244/A4179522D4BB4FFABD5B8FB8105E38D9.jpg[/IMG]

[IMG]local://upfiles/3244/C83D66DD510240998FA7A71ABBED66A4.jpg[/IMG]

RE: how to port and polish a throttle body (V6)
 

so i did what any one would do and thats drill out the rivets and pry that some bitch off of there. I then filled the holes with metal filler and sanded everything down. I couldn't figure out how to remove the shaft that holds the blade in place so I cut it off with a dremel while it was still connected.

(besides the six pack of high life bet me I couldn't do it)

[IMG]local://upfiles/3244/DDE8A533905F462CAAC82D3F8EB99E10.jpg[/IMG]

[IMG]local://upfiles/3244/71735E45B27E45B4B4CC7E06CBD7A91A.jpg[/IMG]

RE: how to port and polish a throttle body (V6)
 

then I went to work with the grinder and "ported" it as best I could.After,I started with very harsh sand paper (60 grit) down to a 400 grit fine one. After every thing was nice and shiney, I waxed it and re assembled. the original post calls for filling the idle air hole and grinding the screws flush. I opted not to do this. Nor did i do the W.O.T. mod.

Here is a picture of the finished product before and after shots.


I have to say that this is the single greatest mod I have done to date! I feel an incredible throttle response and when I jump on it it is like some one has uncorked that little V6. This only took me about three hours to complete. GOOD LUCK and GO DO IT!!!!

[IMG]local://upfiles/3244/A83D86A77585473D8F65BE848743FF02.jpg[/IMG]

[IMG]local://upfiles/3244/AE7030CAD60142B4BEF9BD023231F84A.jpg[/IMG]

[IMG]local://upfiles/3244/4A4BE72B6EE9478F9AB95CB375D08FEB.jpg[/IMG]

[IMG]local://upfiles/3244/C8FB4B58DA184C43B37661C773A8F5E9.jpg[/IMG]

RE: how to port and polish a throttle body (V6)
 

Good job!! let me know if it helps or hurts your gas mileage. Thanks

RE: how to port and polish a throttle body (V6)
 

I will, I am sure for a little while it will hurt it as my foot will be out in front of the bumper enjoying the new getty up. I anticipate that it will help with mileage due to almost doubling the size of the opening.

RE: how to port and polish a throttle body (V6)
 

Yeah well good job. Now you can come do mine:D

RE: how to port and polish a throttle body (V6)
 

wow nice

RE: how to port and polish a throttle body (V6)
 

i feel dumb for asking this, but how do you post pictures in the posts, i havent done it yet and will be needing to for a post coming up.
heres comes the **** im sure.