Aaron's FJ Holden Lexus
V8 Conversion

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Okay, here is my new project. Putting a toyota Lexus V8 (1UZ-FE) into my FJ Sedan.
Will the motor fit ?
Lets hope so!
Stay Tuned to find out. The project begun in February 2003. The engine chosen is commonly found in Soarers (sc400's). It is an all alloy quad cam V8 engine and puts out between 180-200KW depending what year model the engine came out in.

The engine features a forged steel crank, six bolt mains plus a webbed and cross-bolted block. This is working with the quad overhead cams with 4 valves per cylinder. The 1UZ engine is said to be one of the strongest bottom ends out of any mass produced engine ever...

I decided on this engine for a couple of reasons, the mains one it was something different that as far as I knew never had been done before. Already owning a VN Commodore I didn't really want another 3.8 litre V6 (as good as they are) and when it compares to a 5 litre or 5.7 litre v8 it really is a much better engine being much more refined and smooth as well as having plenty of potential.

After searching for an engine for almost two months, one was finally purchased in the form of a Toyota Crown half cut. This is basically a car that has been chopped in half with everything under the bonnet untouched. This means it comes with a gearbox, as well as the wiring loom, as well as a whole lot of other pointless stuff you don't really need !

The Half cut was picked up late February and has since been stripped of pretty much everything that is not part of the engine/gearbox/loom.




This is what the FJ looks like so far. Was like this for a while. Have gotten a full chassis kit from the Rod shop and a HR- front end that are both waiting to be put in.

So yep, that is what the FJ is looking like, Not much at all been happening to it, all the work has been focused on the engine / transmission for now. Like I said before, I've gotten a heap of stuff from the Rod Shop, full chassis kit, engine mounts, transmission mounts, transmission tunnel, got a HR front end modified and got a steering rack.

S once we get the engine / transmission ready we can get the FJ ready to hopefully pop the engine straight in. Still got a few things to look into.:

*The actual steering(LH torana etc) that's what we are going to use.
*What brakes we're gonna put on front and back
* Fuel system
* Diff

So hopefully the engine will fit in with no problems so we can move onto these.
Above you can see the engine, gearbox and the wiring loom left over.

Most of the wiring is disconnected from the engine/gearbox so they are almost ready to pull out. The next step is to remove the transmission from the half cut, clean them up, take off anything that isn't needed (like power steering)) get the FJ ready by putting in everything I mentioned above and hopefully looking at the loom a little more.
As you can see the engine doesn't look very wide at the bottom at all now since we have taken off the power steering pump, Ac compressor and the alternator. We will be moving the alternator to the top left where the power steering pump used to be as I don't think it would fit down the bottom.

There was a hell of a lot of work involved in this sucker that's for sure. A custom sump was required to accommodate the sub frame. Even the stock shifter was utilized to keep with the classic theme in sleeper mode.

The engine was fitted with the standard exhaust manifolds as this will save some money for now. The the next major steps are the diff, and tail shaft, brakes, brake systems and radiator. We've also had to pull the engine out again to paint the engine bay and rust proof the whole car. The whole engine bay and front end area has been painted to keep the rust away for good. Only the rest of the car to go. Will wait for the wiring to get sorted first. The color for the car has not yet been decided upon. For now the original color will be kept as it makes life allot easier.
Will also make a nice sleeper at a set of lights !!

Since no air conditioning or power steering fitted I had to look around for an alternative belt drive setup. With the original belt being about 3 meters long (over reaction). I wanted something nice and neat looking. Ended up finding a ribbed tensioner pulley (Normally flat) which allows me to run a neat setup in a single triangular pattern.

A new differential has been ordered and put in as well. Ended up going with a trusty ford nine inch differential with 3:50:1 ratio's. Brakes are fully recondioned drums at the rear running commodore stud pattern. It' s only a single spinner.... That way I only waste one tyre at a time :-).

The radiator is a 4 core from aussie dezert coolers. Inlet and outlet hoses are both at the top of the radiator so the water has to flow down and then back up again so it's like a double flow setup. There will be quite a large thermo fan going on the back of it soon. The front brakes are 290mm AUIII discs with commodore stud pattern, being stopped with PBR twin spot calipers. Having the 290mm discs instead of the 300mm discs means the 15inch wheels will still fit.

The car is fully wired up and running now. Fuel tank is in, 3 speed wipers are in, gauges are in and are all working. Eventually a set of bucket seats will make their way into this interior. Pretty much all that is left is to get the car engineered and is all done.


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