Subject	It's an erratic jump because the fuel pump controller
Posted by	octavian-z on April 13, 2007 at 2:26 PM
	This message has been viewed 44 times.
In Reply To	Thanks for the replies.. posted by Zenica on April 13, 2007 at 02:12 PM
Message	Has three volt setting, so when it jumps from 8 to 10 to 12 volts the pressure jumps that is normal. You shouldn't worry about the erratic jump, but rather if your fuel pump is holding pressure to redline with out dropping off with the pressure being 43.5 + 1 psi for every psi of boost.
Follow Ups	My Z is sick. - Zenica 13:53:55 04/13/07 50 psi is a bit low for full throttle - spyhunterTT(nj) 13:59:16 04/13/07 Re: 50 psi is a bit low for full throttle - Zenica 14:02:41 04/13/07 it is very easy, its on top of the plenum. like 2 10mm bolts - NobleZ 14:06:27 04/13/07 Your fuel pressure should be 43.5, at zero manifold - octavian-z 14:04:21 04/13/07 I forgot, also check your FPR (n/m) - octavian-z 14:06:34 04/13/07 correct, but will dip below that at idle, since - Guapo 14:09:28 04/13/07 Thanks for the replies.. - Zenica 14:12:47 04/13/07 RE: Idle psi - Broke_as_**** 14:19:24 04/13/07 It's an erratic jump because the fuel pump controller - octavian-z 14:26:21 04/13/07 With your mods, you should be around 375 rwhp. - eriksu9 14:25:04 04/13/07 Re: With your mods, you should be around 375 rwhp. - Zenica 14:32:47 04/13/07 that doesn't sound too far off - spyhunterTT(nj) 14:38:33 04/13/07 Re: that doesn't sound too far off - Zenica 14:41:48 04/13/07 A vacuum leak would cause him to run rich, not lean. (n/m) - Billteed1 15:00:52 04/13/07 I should have said a boost leak. - Billteed1 15:27:16 04/13/07 I would check for a vacuum leak after checking the FPR - olyar15 14:29:29 04/13/07 How would they let in unmetered air - Billteed1 15:02:38 04/13/07 Not on the inlet side - Broke_as_**** 15:07:42 04/13/07 Re: Not on the inlet side - Zenica 15:17:04 04/13/07 Carb sprary is good for find a leak... - Broke_as_**** 15:51:36 04/13/07 Re: Carb sprary is good for find a leak... - Zenica 16:00:27 04/13/07 I see - Billteed1 15:25:28 04/13/07
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