porting heads - PowerStrokeNation : Ford Powerstroke Diesel Forum
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post #1 of 47 (permalink) Old 09-11-2007, 11:44 PM Thread Starter
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porting heads

I just ran across a great article on porting and polishing heads

how to port and polish heads

I have debated the pros and cons on this. i figure if my heads ever are removed i might have them mildy port and polished ...probably more polished then anything.

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post #2 of 47 (permalink) Old 09-12-2007, 12:25 AM
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Re: porting heads

If I ever have to remove, or when I remove them they will for sures be getting ported and polished.

2007 DODGE 2500 CREW CAB 4X4 5.9 LITER CUMMINS
2002 FORD F-250 CREW CAB 4X4 POWERSTROKE
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post #3 of 47 (permalink) Old 09-12-2007, 12:38 AM
 
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Re: porting heads

I wouldn't go to far with them IMHO. Smooth out the rough spots and call it good. It might help some on the bottom end where you aren't making boost but once the turbo kicks in it crams the air in anyway so I highly doubt you are going to see much for gains. When I had my heads off I smoothed out the seats to the bowls and smoothed over all the rough edges. If you start changeing the shape of the ports much you could really effect the swerl pattern going into the cylender and hurt more than you are helping. IMHO this is one place where less is more.
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post #4 of 47 (permalink) Old 09-12-2007, 12:46 AM Thread Starter
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Re: porting heads

that has to be the wildest way to port I had ever seen.

you really have to click the link to understand.
but 25 lbs of sand through the intake of a running motor about sums it up.

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post #5 of 47 (permalink) Old 09-12-2007, 12:58 AM
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Re: porting heads

Do you think that those guys really did that and if they did they are some water heads

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post #6 of 47 (permalink) Old 09-12-2007, 01:06 AM
 
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Re: porting heads

I've seen that in the past. Not 100% sure if they really did it but considering what that forum is it wouldn't supprise me.
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post #7 of 47 (permalink) Old 09-12-2007, 01:15 AM
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Re: porting heads

We use some stuff at work can't remember the name(it is a powdered cleaner like ajax but a lot finer) but when rings won't seat we get a little of this stuff and with the engine runnig we put a little in at a time and you can look at the CCV and before your eyes it will just go away and all is goodbut 25 pounds of that stuff you will be needing to rebuild it again.

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post #8 of 47 (permalink) Old 09-12-2007, 01:31 AM
 
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Re: porting heads

You can do the same with some oil. It will help seal the rings for a little bit until it burns away. I would be VERY leery of putting anything remotely solid down the intake of a running engine. And would look long and hard at any shop that does it as a normal practice.

Can you get the name of the stuff you use? Is that what it's specifically used for?
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post #9 of 47 (permalink) Old 09-12-2007, 01:45 AM
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Re: porting heads

Quote:
Originally Posted by hotwheels View Post
Can you get the name of the stuff you use? Is that what it's specifically used for?
I will get the name of the stuff and no it is a cleaner like ajax but finer. Oh and we only use it when the owner lets the tractor idle a lot and that wont seat the rings so this a quick and easy way to do it.

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post #10 of 47 (permalink) Old 09-12-2007, 02:00 AM
 
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Re: porting heads

That's an old trick and used to be quite common in diesel shops in the 50's and 60's, done it several times on high idle time engines. Generally it's a bad idea to put anything abrsive in an engine, but in some cases you can't justify a rebuild so the sort increase in wear that will allow the engine to make another season is some times worth it.
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