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Old Feb 21, 2008 | 12:23 AM
  #1  
woodsman1991's Avatar
woodsman1991
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PI swap?

Is it possible to do a head swap and put in the newer PI heads in my old 1999 non-PI v10?
 
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Old Feb 21, 2008 | 07:17 PM
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MARTYSTOWRIG's Avatar
MARTYSTOWRIG
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From: Living under the bosses d
I asked the same Question in a different thread and no one answered... Good luck
 
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Old Feb 22, 2008 | 10:38 AM
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I know that the intake manifolds are different on the PI engines. Most performance shops can do it b/c there are mustang owners that have the swap done.
 
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Old Feb 22, 2008 | 01:04 PM
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The pistons look to be the same, but you'd need the intake, exhaust manifolds (they are different for some reason) and all the sensors and the PCM (different tune - could get a custom one though).

Yeah, I think it's doable. But a huge amount of work.

Some people have modified their '99 and gotten more than a stock 2000-2004. I don't think it's quite the same torque curve, but you get the idea.
 
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Old Dec 8, 2008 | 11:01 PM
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MARTYSTOWRIG
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From: Living under the bosses d
Well, I am in the market again and looking at the swap option. I have noticed a slight lowering of the coolant level in the last 2000 miles and I can smell coolant in the exhaust on a cold startup. If i have a cracked head or a bad gasket I do not want to put the doggy heads back on. At 146K miles It is time for a timing chain so I might as well pull both heads and the intake and upgrade if I can.
 
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Old Dec 9, 2008 | 08:42 AM
  #6  
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Johnny Langton
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From: SE Texas
Originally Posted by MARTYSTOWRIG
Well, I am in the market again and looking at the swap option. I have noticed a slight lowering of the coolant level in the last 2000 miles and I can smell coolant in the exhaust on a cold startup. If i have a cracked head or a bad gasket I do not want to put the doggy heads back on. At 146K miles It is time for a timing chain so I might as well pull both heads and the intake and upgrade if I can.
Timing chains are good for 300K+ if the engine is maintained well.
JL
 
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Old Dec 9, 2008 | 12:32 PM
  #7  
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mwsF250
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From: Wayyy NoCal, USA
This thread may be worth following for you:
https://www.ford-trucks.com/forums/3...or-1999-a.html
 
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