Building For Boost

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Sprocker

Senior Member
Ok I have just got my pistons and rods and ordered the AEM EMS but I am wondering if there are any weak parts in the F23a1 head that need to be built before running about 15psi. I will eventually get a built head but would like to replace any weak parts now if its really needed! I will be staying in the stock rev range for now and will have it tuned by a very experienced shop. I know that there are things that will help get more power but is it needed for 12-15 psi.
 
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