Feel like it should be much faster - Ford Powerstroke Diesel Forum
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Old 03-23-2012, 04:05 PM
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Feel like it should be much faster

I ran 10.20 in 8th mile last night. 4x4 boosted launch. Sems slow for all thats done?
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Old 03-23-2012, 04:37 PM
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On that 7.3?
Fuel pressure might be a little low? I'd bump it up near 65 or higher, unless you tried that and it likes that pressure. Stock injectors and canned tunes I assume?
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Old 03-23-2012, 04:42 PM
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Im running 90 psi an yes canned tunes
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Old 03-23-2012, 05:38 PM
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Oh ok, sig said 55.
Not sure what else to suggest. Maybe the spool up time is slow cause of the bigger exhaust housing?
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Old 04-10-2012, 10:01 AM
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Sounds about right to me. Maybe you should have been a touch faster. But the amount of fuel you had in the tank, humidity, track conditions, how much boost you was launching at, all have a role. I would think your setup should be in the 9.7-9.8 range. My buddies 02 7.3 CCSB on stock tires and wheels runs consistent 10 flats. He broke a 9.98 once. It is DP 5 position tuner, intake, 4 inch exhaust, shimmed fuel pressure spring. And that was launching in 4 high as hard as he could get it to spool every time.
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