turbo...fuel???
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turbo...fuel??? - 5/15/2008 10:13:24 AM
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dcmcguy
Posts: 252
Joined: 9/9/2006
Status: offline
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if im only running 8psi of boost do i need the rrfpr and a return line??? aslo do i need bigger injectors and a 255lph fuel pump???
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Kris
'96 neon
Pacesetter header+2.5" exhaust, no cat,
Comp Cams cam, Mopar Perf. valve springs,
atx TB, 3.0 CAI, no A/C, booger bushings,short throw, front motor mount insert,Bosch plugs+wires, egr blocked, MPx Prototype UDP, batt. in trunk.
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RE: turbo...fuel??? - 5/15/2008 10:24:13 AM
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dtjackten
DodgeForum Moderator
Posts: 1944
Joined: 1/12/2006
Status: online
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yeah, u should put all of that in if u r running no managament system (example ms) u will need bigger injectors for sure....
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anyone with money can buy carbon fiber, but it takes balls to paint over it..........
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RE: turbo...fuel??? - 5/15/2008 2:35:41 PM
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spudsterier
1 Bad R/T Owner
Posts: 8449
Joined: 2/17/2006
From: mendota, illinois
Status: offline
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the stock injectors are good up to about 10psi...so you dont need bigger ones unless you plan on running more boost then that...
i would highly reccomend using a fuel regulator, return line and larger pump though...its just not safe without it
_____________________________
98 neon expresso, DOHC, ATX
95 neon, SOHC, ATX
92 bonneville se
98 durango, flowmaster, 31" bfg all terrains
05 dakota quad cab
68 plymouth valiant, 2-door, 360/auto (project car)
05 polaris predator 500
99 yamaha bear tracker
99 go-ped
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RE: turbo...fuel??? - 5/15/2008 4:04:05 PM
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JackMehoffer69
Posts: 397
Joined: 3/24/2008
From: Kahzakstan
Status: offline
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I do recomend checking compression and oil pressure before you put the turbo on, my sohc was turbo'ed by the previous owner and it no longer has one on it now and the oil pump must have been on its way out when I got the car cuz I smoked my rings now and I have lots of smoke, that is before my wife did the rest of the motor in yesterday due to less than 10psi of oil pressure.
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RE: turbo...fuel??? - 5/15/2008 8:20:43 PM
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dcmcguy
Posts: 252
Joined: 9/9/2006
Status: offline
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quote:
ORIGINAL: spudsterier
the stock injectors are good up to about 10psi...so you dont need bigger ones unless you plan on running more boost then that...
i would highly reccomend using a fuel regulator, return line and larger pump though...its just not safe without it
but, i dont get what the fuel regulator, return line and larger pump are for because your still not controlling the injector pulse width...you need a stand alone to do that...
_____________________________
Kris
'96 neon
Pacesetter header+2.5" exhaust, no cat,
Comp Cams cam, Mopar Perf. valve springs,
atx TB, 3.0 CAI, no A/C, booger bushings,short throw, front motor mount insert,Bosch plugs+wires, egr blocked, MPx Prototype UDP, batt. in trunk.
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RE: turbo...fuel??? - 5/15/2008 9:01:13 PM
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12 volt
Posts: 1344
Joined: 8/4/2007
From: roswell New Mexico
Status: offline
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dont know if you guy use winrar but this program calculates fuel pressure for boost.
http://www.dodgeforum.com/m_1312625/tm.htm
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98 neon Sport mtx/DOHC audio system, toggle switch ignition, K&N insert
95 neon (parts car)
91 BMW E34
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RE: turbo...fuel??? - 5/16/2008 6:33:55 AM
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spudsterier
1 Bad R/T Owner
Posts: 8449
Joined: 2/17/2006
From: mendota, illinois
Status: offline
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quote:
ORIGINAL: dcmcguy
quote:
ORIGINAL: spudsterier
the stock injectors are good up to about 10psi...so you dont need bigger ones unless you plan on running more boost then that...
i would highly reccomend using a fuel regulator, return line and larger pump though...its just not safe without it
but, i dont get what the fuel regulator, return line and larger pump are for because your still not controlling the injector pulse width...you need a stand alone to do that...
the pulse is still the same, but hwen under boost everything moves alot faster....therfor the pump and all the other goodies are used to give you enough extra pressure to not max out the fuel injectors....
when you drive your car all day long you only need the 49 pounds of fuel pressure that the stock fuel pump pushes out....under 8 pounds of boost, you should run about 120 pounds of fuel pressure just so the system can keep up
_____________________________
98 neon expresso, DOHC, ATX
95 neon, SOHC, ATX
92 bonneville se
98 durango, flowmaster, 31" bfg all terrains
05 dakota quad cab
68 plymouth valiant, 2-door, 360/auto (project car)
05 polaris predator 500
99 yamaha bear tracker
99 go-ped
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RE: turbo...fuel??? - 5/20/2008 8:31:07 PM
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dcmcguy
Posts: 252
Joined: 9/9/2006
Status: offline
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but isnt there some way of modding the stock fpr on the tank? because the stock fuel pump puts out 130psi by just running it...
_____________________________
Kris
'96 neon
Pacesetter header+2.5" exhaust, no cat,
Comp Cams cam, Mopar Perf. valve springs,
atx TB, 3.0 CAI, no A/C, booger bushings,short throw, front motor mount insert,Bosch plugs+wires, egr blocked, MPx Prototype UDP, batt. in trunk.
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RE: turbo...fuel??? - 5/20/2008 8:47:54 PM
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spudsterier
1 Bad R/T Owner
Posts: 8449
Joined: 2/17/2006
From: mendota, illinois
Status: offline
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you can completely remove the stock fuel pressure regulator and do a spoolboy mod, but i would still reccomend getting a larger fuel pump
_____________________________
98 neon expresso, DOHC, ATX
95 neon, SOHC, ATX
92 bonneville se
98 durango, flowmaster, 31" bfg all terrains
05 dakota quad cab
68 plymouth valiant, 2-door, 360/auto (project car)
05 polaris predator 500
99 yamaha bear tracker
99 go-ped
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RE: turbo...fuel??? - 5/21/2008 8:18:28 AM
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dtjackten
DodgeForum Moderator
Posts: 1944
Joined: 1/12/2006
Status: online
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i know i am second and u are all first gen, but my injectors would kick off at about 5 psi.... not ten..... after finding that out i went with a bigger injector the next week....
_____________________________
anyone with money can buy carbon fiber, but it takes balls to paint over it..........
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RE: turbo...fuel??? - 5/21/2008 6:39:20 PM
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spudsterier
1 Bad R/T Owner
Posts: 8449
Joined: 2/17/2006
From: mendota, illinois
Status: offline
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the entire time i was running my turbo on about 8psi, i used the stock injectors and it did great...
i didnt upgrade the injectors until i started running about 18psi
_____________________________
98 neon expresso, DOHC, ATX
95 neon, SOHC, ATX
92 bonneville se
98 durango, flowmaster, 31" bfg all terrains
05 dakota quad cab
68 plymouth valiant, 2-door, 360/auto (project car)
05 polaris predator 500
99 yamaha bear tracker
99 go-ped
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