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Old 06-05-2014, 02:42 PM   #3
BYprodriver
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Join Date: Oct 2008
Location: O.C. CA
Posts: 3,709
Garage
The only things that add power that are much easier to install while the engine is out is installing the 987 Cayman airbox & internal engine modifications. 1st is removing the heads for a quality valve job & replacing the VarioCam chain wear pads on each head. Beyond that the only thing to do is install larger pistons & cylinder sleeves. Any other "mod" won't do much but can be installed with the engine installed.
Read the mods in my sig to see what it takes to get to 300HP
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OE engine rebuilt,3.6 litre LN Engineering billet sleeves,triple row IMSB,LN rods. Deep sump oil pan with DT40 oil.
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