And that doesn’t mean they come with most of the major stuff. Let’s put it this way: If we were dropped onto a desert island with basic hand tools, a Chevy LS1, a stock 350Z and an LOJ Conversions swap kit, we’d be able to build a fully-sorted LS-powered street car in just a few days. Even the factory automatic air-conditioning will work ... 89-96 300ZX LS Swap Kit. Rating Required ... Now you can finally bring your LS Swapped vehicle into the 21st Century with Paddle Shifting! This Paddle Shifter kit ... TL;DR: As an almost universal rule, LS swaps are a good thing IMO, with the notable exception of RX7s, particularly the FD.. There's just so much work that went into the FD's engine bay for me to be fine with ripping it out, and there's also the fact that RX literally means "Rotary Experiment," so a putting a piston engine in such a car just feel a bit wrong to me somehow. Oct 29, 2015 · The Nissan 300ZX was among the elite Japanese luxury sports cars for sale in the US in the early 1990's, alongside the fourth-generation Toyota Supra and Mazda RX7. But they can be a pain to keep ... hey whats up guys . so i have a 1990 300zx imported from japan just a beautiful car, magnus opus at its best. and i want to do a engine swap, something with power that can handle hard prolonged drifts, been thinking of rb engines , thinking about toyota engines 1jz or even 2jz, been thinking about ls 's please just help me out.