BuildSideways

What to check before buying a JZX90

6 checks, in the order to do them, with what each problem costs to put right if you find it. Asking prices were $9,000–$25,000 when we checked on 2026-10-06.

Walk away

If you find any of these, the car is not cheap, whatever the price is. Structural problems at a suspension or subframe mounting point get worse on a locked-diff car.

  • Verify import paperwork independently Build date, clean VIN, documented import history. Non-negotiable on any 25-year-rule car. $0–$25,000
  • Rust: rear arches, sills, strut towers, rear subframe area Japanese-market cars from snow regions are common. Push a screwdriver into anything suspicious. $1,000–$6,000

Negotiate, then budget for it

Not dealbreakers, but each one is money you will spend in phase 0 whether you planned to or not.

  • Manual or automatic, and which engine An auto 1JZ-GE is a very different purchase from a manual Tourer V. Check the engine code stamped on the block, not the badge. $2,000–$6,000
  • Boost control and the twin-turbo actuators Drive it and feel for the transition between turbos. Perished vacuum lines and sticking actuators are near-universal. $200–$1,500
  • Cooling system and head gasket history Thirty-year-old radiator, and a heavy car. Look for recent gasket work and ask why. $300–$3,000
  • Differential mount and axle condition Especially if the car has already been drifted. Cracking at the mount is structural. $500–$2,500

The right-hand column is what the fix costs, as a range. Solid rows are the ones that should stop you; dotted rows are negotiating points.

Why this chassis goes wrong where it does

Weight, and everything downstream of it verified

Several hundred pounds more than an S-chassis means more heat into the brakes, more tire wear, a bigger cooling requirement and higher spring rates. Setup sheets written for a 2,700 lb car are wrong here. Budget more for consumables than an S-chassis build.

Twin-turbo plumbing complexity community

The factory sequential twin-turbo system is intricate and its vacuum actuators and lines perish. Most builds convert to a single turbo partly because it is more powerful and largely because it removes a maze of thirty-year-old plumbing. If you keep the twins, expect to chase boost control faults.

Rust in the usual Japanese-market places community

Rear arches, sills, strut towers, and around the rear subframe. Many of these cars came from snow-region or coastal use. Check as thoroughly as you would an S13.

Automatic to manual conversion verified

A large share of these cars were automatics. Converting is well documented but it is a real job: gearbox, pedal box, driveshaft, clutch hydraulics, shifter, loom and ECU considerations. Price it before you buy an auto car cheaply.

Differential and axles at power community

A torquey six through a locked diff is hard on axles and on the diff mount, and more so because the car is heavy. This is a chassis where the Phase 3 drivetrain reinforcement item is genuinely necessary rather than optional.

Body and interior parts are scarce community

Mechanical parts are shared across the Toyota range and are easy. Bumpers, lights, glass and interior trim are Japan-only and increasingly hard to find. Assume any body damage is expensive.

Steering side, imports and paperwork

Right-hand drive only - these were never sold outside Japan and a few other RHD markets. In the US they are importable under the 25-year rule, and the whole JZX90 generation is now old enough to qualify, which is why they have become visible in the last few years. Verify import paperwork independently. Parts come from Japan or from specialists; the mechanical parts are shared with other Toyotas, which helps a great deal, but body and interior trim does not.

This matters more than it sounds. Industry reporting on parts returns names regional variants and mid-year production changes as a leading cause of wrong-fitment orders, and steering racks, knuckles, angle kits, master cylinders and pedal boxes are frequently not interchangeable between left and right hand drive.

Bought one? Start here

Phase 0 is the chassis inspection you just did, plus fluids, cooling, brakes, bushings and steering wear. It is the cheapest phase and the one that protects everything after it.

Build a JZX90 plan See what it will cost

Related

Questions

What is the one thing to check on a JZX90?

Verify import paperwork independently. Build date, clean VIN, documented import history. Non-negotiable on any 25-year-rule car. Putting it right costs $0–$25,000 if you find it.

What is the most expensive thing that can be wrong?

Verify import paperwork independently, at $0–$25,000. Build date, clean VIN, documented import history. Non-negotiable on any 25-year-rule car.

How much should I pay for a JZX90?

$9,000–$25,000 was the asking range when we checked on 2026-10-06. Where you land in it depends almost entirely on the structural condition - and a cheap car with a problem from the blockers list below is not cheap.

Sources