Thread: Numbers back from head install
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Old 03-27-2017, 07:46 PM   #3
BFASTNOTLAST

 
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Drives: 2012 SS LS3
Join Date: Mar 2012
Location: Denver NC
Posts: 1,411
Quote:
Originally Posted by 07-SRT View Post
not what I expected. Before. SAE479/424 after SAE 490/449.Same dyno
The tq increase Im happy with but 11hp...
Track time before and after?
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