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HybridZ

DOHC Twin Turbo Z31


michaelp

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AE wheels on pending my new wheels sometime this winter. I sold the 350Z wheels.

 

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I started removing some of the Z31 engine-related stuff, like the coil, PTU and coil wiring on the drivers side inner fender.

 

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And I think I'm going to run a Z32 shift knob, though I'll have to buy a new one, just because its weighted, which the Z31 knob isnt, and because it looks good IMO.

 

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Pulled the plenum for coolant line delete, EGR delete and painting the valve covers...

 

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YAY DETT in Z31: lulz

 

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And valve covers on DS off:

 

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NICE! what mounts did you use? Anything custom??

 

Oil pan had to be modified to clear the steering shaft...other than that, its bolted in with Z31 block mount brackets, z31 motor mounts and NA Z31 crossmember...also trans mount/crossmember is Z31. I have yet to confirm that the turbo intake tubes will fit to the compressor inlet...will find out soon. Might have to go custom mounts if I can't make them clear by just modifying them. Time will tell.

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Ah that's pretty cool, so the turbos are mounted? I couldn't tell with the pics. I'm definitely interested, I've always been a fan of the Z31, but not the ET motor, also since it's considered the red headed step child of the Z family, would make for a really nice sleeper ;)

 

Have you ventured into wiring it up yet?

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Ah that's pretty cool, so the turbos are mounted? I couldn't tell with the pics. I'm definitely interested, I've always been a fan of the Z31, but not the ET motor, also since it's considered the red headed step child of the Z family, would make for a really nice sleeper ;)

 

Have you ventured into wiring it up yet?

 

Turbos arent in yet, waiting for them to get here...no reason they wouldn't clear though, plenty of room where they go...the only issue might be the intake tubes to the turbos. Also still waiting on my new wiring harness to get here....

 

As for the ET, theres nothing wrong with it. Its stout and compact, there are plenty of them making 450+whp reliably....my setup I had before this was in the mid 300whp range and was nothing but reliable...but I've had VG30ET z31s for the past 6 years so its time for something a little different. lol

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  • 1 month later...

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Got the harness....

 

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And turbos

 

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Ton of crap:

 

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DOH, intake tubes don't clear with the Z31 motor mount brackets...but with the Z32 mount brackets and Z31 mounts the engine sits about 3/4" too high..

 

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Sooo....I win:

 

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E30 BMW motor mounts will lower the engine about 1"

 

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And no more EGR:IMG_20121025_160414.jpg

 

Z31 EFI harness out:

 

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Z32 in:

 

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Turbo clearance pics, keep in mind it'll only gain clearance once the trans is in becuase the engine will then be level, rather than tipped back.

 

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  • 2 weeks later...

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