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Old 05-09-2010, 04:52 PM   #1
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Default Stock fuel pressure

Installed a aftermarket FPR, does anyone know what the stock fuel pressure is?

thanks!
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Old 05-09-2010, 04:58 PM   #2
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38-46 PSI with the manifold vacuum line disconnected.
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Old 05-09-2010, 05:51 PM   #3
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At some point around the time OBII came along most makes standardized pressure at 43.5 psi too. Its hard to go wrong with that as a base pressure.
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Old 05-10-2010, 10:49 AM   #4
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Thanks ya'll. Took the beast out for a run with just a base map and a few lbs of boost. Holy **** this thing is fast. I can definitely tell the difference between the old shitty 94 head the the ported +1 valved FM MSM head. Can't wait to tune this bugger.
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