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40 lug nuts
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3,433 Posts
Yes, they machine the stem to compensate for grinding the seat.
+1

Kind of where I was going with that. You can mill the head down but can run into valve / piston clearance problems. To compensate, you have to machine the valve stem down or shorten the push rods. Even then, you may have to deck the pistons depending on how much the heads were milled.

The only place I know of to get heads is from Ford, but if you have someone on the inside, you might be able to get them for less than $1400/ea.
 

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Damnkids Motorsports
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2,260 Posts
Liberator performance (they sell EGR delete kits) sells heads. I've heard they have pretty reasonable prices.
 

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40 lug nuts
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3,433 Posts
And the more I think about it, the more I believe that when the heads are milled you're going to run into issues with pushrod length, even if you machine the valve stem. If you don't, the rocker arms won't be centered (short valve stem and long pushrod).
 

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Discussion Starter #24
I talked to a place in kentucky called national cylinder head. $900 shipped. Says he takes up to .005 off these heads. Said he has sold many sets. I'm gonna give him a shot i guess.
 
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