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General discussion forum for J30 and M30 owners!
trevorctr
Posts: 6
Joined: Fri Jun 13, 2008 11:20 pm
Car: 300zx 2+2 1990 white N/A

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Last edited by trevorctr on Sat Mar 02, 2013 5:32 pm, edited 1 time in total.


brandonjustice93J30
Posts: 388
Joined: Thu Mar 02, 2006 6:42 am
Car: 1993 Infiniti J30

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same engine...just different ECU. Everything should mount up the same. Should be able to just grab up the core, no electronics fairly inexpensive for either, (since technically the internals are the same for both, a VG30DE is a VG30DE), if the engine itself is the only damaged part.

Victor
Posts: 515
Joined: Sun Apr 06, 2008 5:51 am
Car: 1994 Infiniti J30T

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From the video someone posted the J30 version of the engine is supposed to be an improvement over the 300ZX version.

trevorctr
Posts: 6
Joined: Fri Jun 13, 2008 11:20 pm
Car: 300zx 2+2 1990 white N/A

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Last edited by trevorctr on Sat Mar 02, 2013 5:33 pm, edited 1 time in total.

coolyun_98
Posts: 313
Joined: Fri Mar 09, 2007 8:29 pm
Car: 1993 J30 11,7000kM

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There are two version of VG30DE

1st version. 89 ~ 93 300ZXThis version is known for its bad injector. Experts claim that alchohol in gas speeds up the corrosion in the injector coil. This is a very expensive repair. Also, CAS sensor on this version of VG30DE is made by Mitsubishi. Problems are reported with crankshaft assembly which will make knocking sound

2nd version. 93 ~ up J30 and 94 and up 300zxThis version has the updated injectors. CAS is made my Hitachi and crankshaft assembly is revised.

General difference b/w the VG in J30 and 300zxAir intake and fuel lines.

I will suggect you get the 2nd version VG30DE.

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edgartheace
Posts: 368
Joined: Wed Sep 27, 2006 3:33 pm
Car: 1993 240sx, 1992 300zx RIP, 1993 300zx 2+2, 1993 Infinti J30t

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They are indentical in every way, as far as intarnals go. The major differences are the Injectors(will require you to cut the connectors from your donor car), and the exhaust manifolds.

Jakw
Posts: 326
Joined: Sun Jan 14, 2007 4:36 pm
Car: 1993 J30

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Isn't the plenum different too? And the motor mounts?

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edgartheace
Posts: 368
Joined: Wed Sep 27, 2006 3:33 pm
Car: 1993 240sx, 1992 300zx RIP, 1993 300zx 2+2, 1993 Infinti J30t

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The plenum is identical the difference is in the balance tube design.


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