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Old 04-18-2018, 07:50 AM   #1
Gotit4cheap16
 
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Dsx aux fuel pump Kit fuel pressure

So I have the dsx kit installed and tuned for E85. Yesterday while roll racing a friend, I still see my fuel pressure at the rails through my aeroforce gauge drop down to 43psi at wot. Why would this be?
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Old 04-18-2018, 07:58 AM   #2
DSX Tuning

 
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Use something other than the Aeroforce to check pressure. I've seen many instances of the Aeroforce reporting pressure incorrectly when it's high.
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Old 04-18-2018, 09:47 AM   #3
Gotit4cheap16
 
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Quote:
Originally Posted by DSX Tuning View Post
Use something other than the Aeroforce to check pressure. I've seen many instances of the Aeroforce reporting pressure incorrectly when it's high.
OK thank you. Would a manual fuel pressure gauge work?
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Old 04-18-2018, 02:34 PM   #4
ecreps
 
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Quote:
Originally Posted by Gotit4cheap16 View Post
OK thank you. Would a manual fuel pressure gauge work?
If you have HP tuners it should be logged there.
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Old 04-19-2018, 12:03 AM   #5
Slickcas
 
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Are you using the stock SS FPCM tune? If so it’s doing exactly what it’s told and dropping pressure higher rpm’s.
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