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06 heads

Started by tbird, January 04, 2009, 04:14:58 PM

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tbird

January 04, 2009, 04:14:58 PM
Why is their such a demand for 06 heads? Are they that superior to the previous yrs? How do they compare to S.E. performance heads ?

BONERACIN

January 04, 2009, 05:10:54 PM #1
Boneracin
"Uncle Sam made me cut off my mullet"

mayor

January 04, 2009, 05:22:51 PM #2
there's a lot of good conversation on the subject right here:
http://harleytechtalk.net/htt/index.php?topic=3153.0

the article that Bone posted doesn't cover the '06 which flow better from the factory than the 99-04 and the '05 heads. 

warning, this poster suffers from bizarre delusions

GoFast.....

January 04, 2009, 05:46:21 PM #3 Last Edit: January 04, 2009, 06:21:49 PM by GoFast.....
The 06 and 07 flow better out of the factory and they have the beehive springs which can also take more lift. But if you are porting them some porters like the later heads because you start with a smaller exhaust port and open them up to size you need. I actually sold my 07 heads and bought 03 heads to have them built the way I wanted them for my 107 build I am doing now.

06 ex


pre 06 ex
Nothing like the Sound of a Harley and the Smell of Rubber

mayor

January 04, 2009, 06:03:55 PM #4
I've heard what gofast posted about the older heads and full port effectiveness from three different head porters.  Must be something to it.   
warning, this poster suffers from bizarre delusions
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