Z32 engine swap into Z31 body

The Nissan 300ZX (Z32) general community discussion forum
TriconTech
Posts: 3
Joined: Mon Aug 04, 2025 5:27 pm
Car: 1984 Nissan 300ZX Turbo 50th AE

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I have a 50th AE Z31 turbo. The previous owner stuffed a NA block into the engine bay and hooked it up to the turbo. Looks like he bypassed the detonation sensor. I have been driving it for several years and then the head gaskets blew. That is when I discovered the block was a VG30 not a VG30ET.

I am looking for a correct engine and or block to make this car right. But, I got to thinking about the better Z32 Engine and wondered if anyone had swapped the Z32 into a Z31 body...kind of a sleeper. Plenty of VG30DETT engine for sale but no VG30ET.

What do you all think?


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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Been done before, https://forums.hybridz.org/topic/80371-vg30dett-z31/

I saw this few years ago.

TriconTech
Posts: 3
Joined: Mon Aug 04, 2025 5:27 pm
Car: 1984 Nissan 300ZX Turbo 50th AE

Post

Thanks for the link. Way more work that I am capable of! The wiring is a major limitation for me since I have never done a swap. Just motor rebuilds TR6, 914's, various motorcycles, and now the top end for the 300ZX.


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