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12 horsepower is around 5KW. A good Lexus alternator will put out 140 or so watts, so about 7 mins of charging for 1kw. So you need to run the engine or 5 mins to cover 1 minutes use of the supercharger, Now this assumes the vehicle doesn't have any load on the alternator. If the car needs...

Well done! Things like this can be a bitch to track down and the engine is 30 years old so you're always wondering if the ECU is at fault or not. Kelvin must have saved a heap of people a lot of heart ache! I know he's helped me out.

The return line is a steel fitting cast into the rear water-bridge.

If you scratch around there was a guy in Australia who built a super high revving 1UZ. Cost him a lot of money to end up with an engine that had very little bottom end and quite a good top end, but nothing outstanding. If I can think of his name I'll post it so you can find his thread.

Contact Gloverman a could of posts above. A good guy to deal with.

They are within a couple of mm of each other. Safe to work on the 700x700x700 cube.

I think you will find an LS is about the same as a 1UZ. I have an LS3 in one of my cars and I'm sorry to say it beats the 1UZ hands down. That being said the conversion will be nice and the old 1UZ does sound awesome. Getting more power out of one isn't cheap as the ECU is pretty well...

The factory uses quite a few engine based ground points. Do it just as the factory has and you shouldn't have any issues. These engines aren't hard to get running in a different vehcile. I've been driving a swapped 1UZ in various guises for almost 20 years. I haven't been stranded on the...

What you suspect is an ignition problem could in fact be a dud injector or a fault on that side of things.

I'm not sure I would use a rivnut as a ground. I'd rather use a stud screwed into a captive welded nut or a nut and bolt. I'd also ensure there was bare metal under the ground strap. As for engine grounds, just do it as the factory did. They probably know what's best.

Here you go. https://www.lextreme.com/lexus-ls400-timing-belt-change/

I would think purchasing a front cut from a Century would give you what you need to make it run. Wiring the Century ECUs into the LS body loom would be the biggest hurdle I can see.

When the engine stops, does it still have fuel pressure. Crack a union to see if fuel squirts out. Normally these shut down the injectors if they have an ignition problem, but this is the reverse. I'd be confirming there is fuel at the injectors whilst it is running on spray and after. If...

Have you checked for continuity from the sensor to the ECU plus the shielding?

When I first had my conversion running about 20 years ago I had a similar issue. I tracked it down the the fuel pump turning off as soon as the engine started. The problem was the fuel resistor (it was a Crown engine) was faulty. Bypassed it and it ran well, I now run a Soarer engine and...

Regulator is before the outlet. The treaded hose is the inlet.

I did a similar thing with the baffles around 15 years ago with my supercharged engine. I hope the bolts are holding on for the new owner.

Depends where you live. Does it snow? If it doesn't drop below 10degreesC it should be OK without the cold start. It may not be happy but it will run. I doubt my cold start injector has been activated since I installed my engine 13 years ago.

Interesting I use 13psi and looking at parts suppliers they also supply 13psi for an LS400.

If I was doing the swap I would use the entire engine and transmission. Why have 3 gears when you can effectively have 4. Additionally the Toyota transmission will reduce the cost of the swap as all you need to do is make a transmission mount and modify the tail-shaft. The traction control...