4.6L (1996-2004 Modular) Mustang Technical discussions on 1996-2004 4.6 Liter Modular Motors (2V and 4V) within.

pi vs ported pi flow

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Old Jan 23, 2009 | 07:44 PM
  #31  
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Last edited by stangalator; Jan 23, 2009 at 07:50 PM.
Old Feb 1, 2009 | 02:55 PM
  #32  
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sorry to bring up a dead thread, but i have an update. Ok, my friend who works on ford engine gave me advise, he agreed with almost all of you saying the porting job looked like ****, lots of scraps and not smooth at all! (emailed seller > ) he said though, that there was hope, if i took a long time hand polishing the ports till ther was a mirror finish and to get rid of the "dwells" in the intake runners. I did this last ngiht for a while on three of the 8 ports (takes for ever, something like 2 hours per port!) im not done polishing them yet, but he thought they were looking pretty good, what do you guys think???

polished:

polished with ruler to see reflection better:

unpolished:
Old Feb 1, 2009 | 05:33 PM
  #33  
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i hate to burst your bubble man but you don't want a mirror like finish, a slightly textured finish will allow the fuel to stay atomized and suspended.
Old Feb 1, 2009 | 05:56 PM
  #34  
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its not completely mirrored though, some scratches in there couldn't be removed. all the professional ones look mirrored
Old Feb 1, 2009 | 06:04 PM
  #35  
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have you ever seen a set up close?
Attached Thumbnails pi vs ported pi flow-ported_head.jpg  
Old Feb 1, 2009 | 07:01 PM
  #36  
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hmm, well, i have half of it polished and the bowl and what not cast still. Its better then was it was, with the larger physical bumps. The one you have looks like a very fine scratches.
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