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ID'ing 4.6 Heads

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Old Aug 28, 2015 | 07:57 PM
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ID'ing 4.6 Heads

2000 F150 XLT 4.6 4x4 - After trying to learn a little about the 4.6 motor, I see there are PI and nonPI heads. How can I tell which ones I have? I did a google search, but I'm reading a lot of conflicting info.
 
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Old Aug 28, 2015 | 08:53 PM
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Check out some threads in the modular motor forum. No "stickies" or FAQ there unfortunately.

Cylinder head combustion chamber pics, you'll see the diff:

Modular Head Shop - Cylinder Heads

Ahhh, PI vs non PI and casting numbers:

Ford Modular V-8 Engines Part 2 - Mustang & Fords Magazine
 
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Old Sep 2, 2015 | 03:05 PM
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Thanks for the info. I've been doing some research, but haven't found out what I've got. I'll keep reading. I don't plan on doing any mods or anything. I was just curious.
 
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