Builds BJ70-MR Conversion to a PZJ70-MRS

[JuanJ]

If you did you may encounter a hoard of angry Cruiserheads storming the OLC4x4 gate brandishing pitchforks and torches.

Hello,

A good old lynching mob, every once in a while, can be a healthy thing...

Just saying...





Juan

 

[OGBeno]

Time: spent two hours going through all of the new OEM parts I’ve bought for about 2.5 years waiting for building this engine and doing the swap.

Since the engine is so awesome inside, I’ll probably not need about 1/2 of these parts.

Engine swaps aren’t easy; throwing s*** together just produces s***, or some sense of “acceptability” which is basically short-term gratification.

Planning for a engine swap takes hours of thought, lists upon lists of part numbers and then long hours of research; readings in technical aspects of power plants and drivelines; measuring, testing, and then system integration. All of this takes long amounts of time.

In any event, I’ll have a lot of 1HX series engine parts for sale soon.

 

[bottombracket]

I have a lot of spares but you have a LOOOOTTTT of spares.

 

[OGBeno]

I have a lot of spares but you have a LOOOOTTTT of spares.

And that’s probably only half of the half of the spares o have.

 

[OGBeno]

First part you always order is your OEM main engine gasket kit. Without it you are relying on a conglomeration of parts sourced globally.

Made in Japan is always my first direction for these important components. Toyotas suppliers have been doing this for a long time; they know what the call is.

 

[OGBeno]

Double checked the main bearing cap bolts and conrod bolts.

Loosened them all up and did my own confirmation of torque specification fidelity. Not going have a repeat of the 3B debacle.

 

[OGBeno]

I can’t stand zinc colored bolts on any exterior of a Toyota engine.

Gaudy as ****all and looks like Trump’s Manhattan apartment.

I’m silver and black attack always. So anything on the exterior that’s ugly zinc/gold/blah will get replaced with current silver bolts.

 

[bottombracket]

Bag all that gold sh1t up and I’ll buy it from ya. I need hardware. Like I don’t have enough of it in little baggies everywhere.

 

[OGBeno]

Bag all that gold sh1t up and I’ll buy it from ya. I need hardware. Like I don’t have enough of it in little baggies everywhere.

We keep hardware. Always needed in a Land Cruiser shop.

 

[bottombracket]

Even if it’s the wrong color?

I want to get a Caswell plating system but I’m already three projects behind your 60, and I can’t possibly get any slower.

 

[OGBeno]

Even if it’s the wrong color?

I want to get a Caswell plating system but I’m already three projects behind your 60, and I can’t possibly get any slower.

There are plenty of people who don’t care what color their hardware is.

 

[OGBeno]

Working on your own junk is slow and tedious. Most days I want to be outside or hanging out with friends.

So, this might go a bit slower than other folks’ builds.

PS Pump I’ll be using:

Parts ready to be cleaned and organized:

Thermostat (put jiggle valve within 10* or so of the 12pm position when installing).

Kuzeh and Fuji Bellows have historically been the OEM for Land Cruiser engines.

In this instance, Kuzeh Thermo Products is the OEM since they specialize in wax-type thermostats.

You can read about their history and business here:

株式会社クゼー│高信頼と高品質なサーモスタット・サーモエレメントの開発・製造

株式会社クゼーは、モータリゼーションの進化を中枢で支える高信頼と高品質のサーモエレメント、サーモスタットの開発・製造しています。サーモスタットのパイオニアとして業界の発展に貢献してまいります。

kuzeh-thermo.com

Main block assembly was cast and machined on 1/16/1991 by the Toyoda Industries Corporation. They have historically cast and machined engines over 3.0L for commercial vehicle application. All forklift engines are manufactured by Toyoda Industries.

Just a couple of days later, the main bearing cap was cast and machined:

 

[OGBeno]

New oil cooler cover and oil cooler assembly.

The gaskets are 15785-66010 which are actually utilized for the 1FZ family of engines first. A good example of part number reduction by sharing or parts.

Installed with oil filter spill catch and temp switch.

 

[OGBeno]

New oil pump housing installed.

This one replaces the iteration initially factory-installed. That one had no PS provision. It is blanked off with the original casting (though the template for cutting and machining is there).

 

[OGBeno]

IP gear installed (don’t forget the oring underneath the nut).

Gears lined up and installed:

 

[OGBeno]

New pump gear:

Installed:

Don’t forget your 90301-60002 o-ring to install the pump to the oil pump housing.

Pump installed and gears meshed:

 

[OGBeno]

PS feed line…. Don’t forget the 96711-19019 o-ring for the fitting. Not in the engine gasket set. Have to buy separately.

 

[OGBeno]

Oil pressure sender assembly. Manufactured by Yazaki Corporation. Yazaki designs and manufactures almost all of the “sensing” and meter-based sending unit for the Land Cruiser line. One of Toyota’s oldest suppliers. They also design and manufacture the wiring harnesses in all Land Cruisers as well as your gauge cluster and meters themselves.

Installed into the back of the block on the LH side.

 

[bj70bc]

I can’t stand zinc colored bolts on any exterior of a Toyota engine.

Gaudy as f***all and looks like Trump’s Manhattan apartment.

I’m silver and black attack always. So anything on the exterior that’s ugly zinc/gold/blah will get replaced with current silver bolts.

View attachment 3233542

View attachment 3233545

View attachment 3233544

personally i love taking a 37year old LC bolt off and it coming out all gold like day 1....sexy

 

[TrickyT]

Onur, how about an update? The first day of summer is just around the corner now and you must be itching to get out in the summer breeze with that soft top.