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Nissan 300ZX technical discussion forum: Maintenance, performance, installations, modifications, how-to's and troubleshooting.
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redneck zx
Posts: 72
Joined: Sun Sep 06, 2009 6:58 pm
Car: 1991 300zx TT
Location: montesano/olyimpa wasington

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are these the new or old style fuel rail?
Nismo 555cc
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itsa300zx
Posts: 1287
Joined: Sun May 31, 2009 9:39 am
Car: 1990 300zx NA W/TT swap
2011 Nissan Rogue S
2008 Highlander SR5
Location: up North

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I would say the rails are old style, since the injectors looks to be the old style.
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nissanfreak12
Posts: 1709
Joined: Sun Jan 23, 2011 4:07 pm
Car: 92 300zx 2+2 TT
Location: Denver, CO

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Old style. The new style have oval plugs. New style will not fit properly in the old style rail. Nismo's 555 are known to be problematic.
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redneck zx
Posts: 72
Joined: Sun Sep 06, 2009 6:58 pm
Car: 1991 300zx TT
Location: montesano/olyimpa wasington

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ok thank you!
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