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Old 05-16-2012, 03:02 PM   #19
Scooby Newbie
Member#: 212037
Join Date: May 2009
Location: SE Mich
2005 wrx sedan


Im no tuning expert but thought id chime in. To support what eggroll is saying in a highly amplified way, just take direct injection into mind. The rail pressure has to be in thousands of psi to be able to squirt fuel directly into a combustion chamber...and even 40-50k on diesels therefore supporting the need for higher rail pressure for increased boost/combustion chamber pressures. Just my 0.02.
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