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| Home > Help Needed / General Tech Chat > cant get fuel pressure below 10 psi any ideas regulator has no holes / splits in diaphragm | |||||||
 517 Posts Member #: 9931 Post Whore brighton |
25th Aug, 2012 at 12:17:00pm
any ideas ive got a lucas fuel pump from a era on it
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 861 Posts Member #: 951 Post Whore Bromsgrove |
25th Aug, 2012 at 12:26:27pm
Sounds like a restriction in the return line. 'Where does the engine go?' |
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517 Posts Member #: 9931 Post Whore brighton |
25th Aug, 2012 at 12:30:11pm
ive got the return going straight to the filler neck at the minute lol |
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3594 Posts Member #: 655 Post Whore Northern Ireland |
25th Aug, 2012 at 02:18:21pm
Draw a picture/schematic of what you're system is made of, pipe sizes etc, and what parts you are using and exactly how it is plumbed. 9.85 @ 145mph
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566 Posts Member #: 102 Post Whore Pennsylvania USA |
25th Aug, 2012 at 09:02:02pm
sounds like return too small or restricted |
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 825 Posts Member #: 9661 Post Whore Sheffield South Yorkshire GB. |
25th Aug, 2012 at 09:39:39pm
Is the pump to powerful ?. Main Build
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517 Posts Member #: 9931 Post Whore brighton |
25th Aug, 2012 at 10:08:07pm
hi all thanks now sorted was due to a to small return thanks very much
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55 Posts Member #: 9430 Advanced Member |
8th Jul, 2013 at 10:09:18pm
This is the problem I am having, please tell me what diameter of pipe you are using for the return and the feed. Many thanks. |
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 9812 Posts Member #: 332 Resident Cylinder Head Modifier Mitsi Evo 7, 911, Cossie. & all the chavs ...... won no problem |
8th Jul, 2013 at 10:18:44pm
you need a 8mm id return in a perfect world
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| Home > Help Needed / General Tech Chat > cant get fuel pressure below 10 psi any ideas regulator has no holes / splits in diaphragm | |||||||
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