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04-06-2005, 07:52 PM
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#1 |
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Registered Member
Join Date: Jul 2000
Location: Rochester
Posts: 323
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fuel pressure ?????
I just installed 24lb fuel injectors and a new mass air meter and I have a new adj. fuel pressure reg. and I'm waiting to install it till I'm sure I know what pressure to set it to. Any ideas of what I should set it to.
Thanks
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95 GT convertable, ported+polished GT40 heads, port matched upper and lower Cobra intake manifold, Flowthech headers, Catco hi-flow h-pipe with 2 hi-flow cats, Mac true fit catback exhaust, 3.73 gears, underdrive pullies, Edelbrock 70mm throttle body, Mac cold air intake, FMS 24lb injectors, Granatelli 75mm mass air |
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04-07-2005, 08:45 AM
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#2 |
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Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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Re: fuel pressure ?????
Set it at 38 psi with vacuum line off and forget about it. Your ecu will adjust the injector pulse width accordingly from there.
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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04-07-2005, 10:12 AM
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#3 |
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Registered Member
Join Date: Jul 2000
Location: Rochester
Posts: 323
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Re: fuel pressure ?????
Thanks.....but won't that create a lean condition, isn't the stock pressure 48psi. I may be wrong with the stock pressure.
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95 GT convertable, ported+polished GT40 heads, port matched upper and lower Cobra intake manifold, Flowthech headers, Catco hi-flow h-pipe with 2 hi-flow cats, Mac true fit catback exhaust, 3.73 gears, underdrive pullies, Edelbrock 70mm throttle body, Mac cold air intake, FMS 24lb injectors, Granatelli 75mm mass air |
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04-07-2005, 12:51 PM
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#4 | |
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Registered Member
Join Date: Apr 2001
Location: Staging lane
Posts: 4,337
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Re: fuel pressure ?????
Quote:
  38 psi!!!!!!!!!!!!!!!!!! 
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92' LX-Big brakes, Lots and lots of suspension, GT40X heads, Ported cobra intake, stock cam, Vortech SC trim. 00' Lightning-Stock 88'CRX-13 second ego killer |
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04-09-2005, 12:05 AM
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#5 |
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Registered Member
Join Date: Apr 2005
Posts: 6
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Re: fuel pressure ?????
Technically I believe the injectors are rated at 39 psi. Usually the stock pressure is 40 to 44 at WOT (no vacuum). They usually run stronger when set at 38.
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www.realspeedauto.com |
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04-09-2005, 06:42 AM
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#6 |
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Registered Member
Join Date: Dec 2004
Location: Canada
Posts: 25
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Re: fuel pressure ?????
I agree!!!!
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