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[johnsachs]

   Kury 24 D,surface heads to around 10.3-10.5-1

   Gets no better than this....will require a good pipe

 

I did the above build, and several more like it. The exhaust system plays a big part in it.
I use the stock flat top pistons, and set the compression at 10.20:1.
Here's the std sheet as well. 
John

[HD Street Performance]

John did you do any head work on this build other than cut the heads?

[johnsachs]

Don,
I find valve seats are all over the board. Some good, some poor. Needs to be addressed. Short turn, usually on the front exhaust needs to be looked at also. 
John

[Yellow09SERG]

Thank you.