Ford Mustang Forum - View Single Post - Turbo PSI Question
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post #7 of (permalink) Old 09-22-2005
S197 Member
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Joined: Jan 2005
Posts: 149
These days 20psi on a 4 cyl is really not that much. You could easily run that on the street with 94 and a good tune. My 347 has 32 to 34 psi but it is on 116 octane.
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