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Heaps of info! conversions,motors,diffs,gearboxs,suspension!


sam

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Found this on club k from a guy who found it eles where ahahha also added some info, im 99% sure its relating to the mx73.

Some guy spent a lot of time doing this write up!

This should help alot of people out, feel free to move this topic if need be.

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ENGINES

6MGE

bolts up, wires up, no effort required

worthy if you can get one cheap.

Difficulty 1/10

Worth it? extra 20hp, 20 Nm torque, once again, price dependent (This is over the 5MGE, not the 5ME)

7MGE

bolts up, needs 7MGE loom, ecu and be 'spliced' into MX73

may be able to use 5MGE harness and sensors, but wouldn’t get full effect.

may need small exhaust change to suit MX73 system

Difficulty 3/10

Worth it? extra 30hp, 30 Nm torque, price dependent (over the 5MGE)

7MGTE

bolts up, NEEDS 7MGTE loom, ecu, and be spliced into MX73

needs bigger exhaust and intercooler to get best benefit.

Difficulty 4/10

Worth it? yes, if you can get one for a good price

1GGTE

Bolts up with GX71/GA61 1G-EU or 1G-GEU mounts.

needs 1G gbox (or at least the bellhousing)

needs 1GGTE loom and ecu, and be spliced.

needs bigger exhaust and intercooler to get best benefit.

Difficulty 5/10

Worth it? yes, if you can get one for a good price, and you have the mounting sorted.

1JZGTE

Can use custom mounts with the stock crossmember (available in Australia, was $250AUD plus postage, not sure now) or you can use an MX83 crossmember, and factory JZX81 mounts,(late 90-92 for Australia, any MX83 for US), or you can use the factory JZX81 crossmember and mounts (ie, if you get a JZX81 front cut)

needs 1JZ gbox (or at least the bellhousing)

needs 1JZGTE loom and ecu, and be spliced.

needs bigger exhaust and intercooler to get best benefit.

Difficulty 7/10

Worth it? yes.

The Nonturbo 1JZ-GE isn't really a worthy swap for the dollars it costs, unless you can get one uber cheap.

2JZGTE

as above for 1JZGTE (same mounting), but will have clearance issues with turbo's (may not apply to LHD)

Difficulty 9/10

Worth it? yes.

The nonturbo 2JZ-GE is also definately worth a look. It will match a stock 7M-GTE any day of the week, and is capable of nice figures with some dollars thrown at it.

1UZFE

needs custom mounts (available from Peewee on the Cressida forums, $120AUD plus postage)

needs custom exhaust, and most likely manifold modifications around steering

needs 1UZFE loom and ecu, and be spliced

Difficulty 8/10

Worth it? yes.

ALL motors will need a front sump version.

ALL sumps can be interchanged within the same family (ie, if you buy a 1jz with a mid sump, you can put a 2jz front sump on it, but you need the sump (both halves), baffle plate, pickup, and dipstick/tube)

All loom problems can be sorted with going aftermarket ECU

Any motor with coilpacks (ie, not a standard coil) will need a tacho converter

Cost of installation of all motors is the same.

What varies is exhaust costs, intercooler costs, wiring costs.

Turbo motors may require a radiator upgrade.

WHAT CARS HAVE WHAT ENGINES

6MGE

Found in the MS126? Crown 3000 as a mid sump

Found in the MZ12 Soarer as a front sump.

7MGE

Found in MX83 Cressida as a front sump

Found in MS130 series Crowns as a mid sump

Found in MA70 Supras as a midrear sump

Found in MZ20 Soarers as a midrear sump

7MGTE

Found in MA70/71 Supras as a midrear sump

Found in MZ21 Soarers as a midrear sump

1GGTE

Found in GZ20 Soarers as a midrear sump

Found in GA70 Supras as a midrear sump

Found in GX81 Chasers as a front sump

1JZGTE

Found in JZA70 Supras as a midrear sump

Found in JZX81/90/100 Chasers as a front sump

Found in JZZ30 Soarers as a midrear sump

2JZGE

Found in JZA80 Supras as a midrear sump

Found in JZZ31 Soarers/SC300 as a midrear sump

Found in JZS14x Aristos/GS300s as a front sump

Found in the IS300

2JZGTE

Found in JZA80 Supras as a midrear sump

Found in JZS14x Aristos/GS300s as a front sump

1UZFE

Found in UZS131 Crowns as a mid sump

Found in UZS14x/151 Crowns/GS400 as a front sump

Found in UCF10/11/20 LS400s/Celsiors as a front sump

Found in UZZ30/31/32 Soarers/SC400 as a midrear sump

MOUNTS

Last known address

Bonneville Automotive Pty Ltd.

17 Phillips Road

Kogarah.

New South Wales 2217

Australia

Phone: +61 2 9553 4708

GEARBOXS

W55, W57, W58, R154, A340E, A341E, A350E Will bolt up to all of these engines.

W5x series gearbox to M series motor, will require a 5MGE or 7MGE manual bellhousing

R15x series gearbox to M series motor, will require a 7MGTE manual bellhousing

W5x series gearbox to G series motor, will require a 1GGE or 1GGTE manual bellhousing

R15x series gearbox will not bolt to G series motor (but you can get the J160 6 speed from the IS200 that bolts up)

W5x series gearbox to JZ series motor, will require a 1JZGE or 2JZGE manual bellhousing

R15x series gearbox to JZ series motor, will require a 1JZGTE manual bellhousing

W5x or R15x series gearbox to UZ series motor will require a custom bellhousing from CASTLEMAINE RODSHOP, or DELLOW AUTOS

Converting to manual will require lengthening the driveshaft, or finding a manual one from a wreck.

Using R154 or any of the auto's will require a larger spline on the driveshaft than the factory one.

W5x series gearbox will require 2nd most rear shifter position (as per MA70)

R15x series gearbox will require MA70 or JZA70 shifter position.

MX73 runs the same output shaft as the W series boxes.

The A340E (MX83 on), A341E, A350E, and R154 run a slightly larger output shaft, and will need a custom tailshaft (custom as in needs to be professionally modded).

Some of the late model autos have a weird yoke on the output of the box, but these can be changed for a normal one.

All bellhousings in the A340E, A341E, A350E range should be interchangeable with each other (you may have to swap over torque convertor too, which may require swapping over oil pump).

A340E from MX73 runs the same output shaft as the W5x and the A43DE, so you will need to swap the yoke to use it with the later A34xE range.

When mounting a gearbox in an MX73, there should be very little hassles.

Under the car, the MX73 has a row of holes where you can choose where to put crossmember.

And since the crossmember isn’t straight, you can turn it around.

DIFFERENTIALS

You can get any ratio from about 3.5 to 4.7

Look around local wreckers, look at RA65 Celica's, Crowns, Hiace's, Hilux's, and Supra's

We can use the MA61 Supra LSD centre.

Infact, the whole diff can just be swapped for a Supra one (bolts in)

If you go a turbo, or the V8, I recommend getting a Truetrac LSD centre, from RABIDCHIMP

Here is the list

3.583 - RA65 Celica(F372)

3.583 - RT142 Corona (F372)

3.727 - RA65 Celica (F302)

3.727 - GA61 Celica XX, (F302

3.727 - MA61 Supra import(F303)

3.909 - RA25 Celica Manual (F313)

3.909 - MX13 Mk2 Corona(manual/auto?) (F312),

3.909 - MX23 Mk2 Corona auto(F312),

3.909 - MA46 Supra (manual/auto?) (F312)

3.909 - MA61 Supra manual (F313)LSD

4.10 - MS110 Crown auto (plated as F362, but was F293 in vehicle),

4.10 - MS112 Crown auto (F292),

4.10 - MX13 Mk2 Corona (F292),

4.10 - MX73 Cressida auto(F292),

4.10 - MA61 Supra auto(ADM) (F293),

4.10 - GZ10 Soarer auto(F292),

4.10 - MZ10 Soarer auto(F292),

4.30 - GA61 Celica manual(F285)LSD

4.30 - MS123 Crown auto(F282)

4.556 - MA63 Supra auto(EDM?) (F252)

4.75 - MS57 Crown auto(F??2 - no build plate fitted)

4.778 - MS110 crown auto(F362)

SUSPENSION

There are a few places that do springs.

Even if they don't list them, they will probably still make custom ones for you (price isn't much greater)

KING SPRINGS

KONI, Cressida not mentioned, but they will do custom.

LOVELLS, Cressida low isn't mentioned, but I'm sure they do them.

DOBINSONS

As for shocks, get Tokico's.

You can see which ones on the RABIDCHIMP website.

MX73 uses the same shocks as the MA61 Supra

I recommend getting PolyUrethane Bushes at the same time, make the ride a little bit stiffer.

Who makes PolyUrethane Bushes?

NOLTEC

NOLATHANE

LOVELLS

SUPERPRO

I dunno whether any of these are available in the USofA, but I'm sure at least one would be.

RABIDCHIMP stock SUPERPRO bushes for the MA61. Crossreference the part numbers to find out which ones may be the same as the MX73

OIL

Manual gearbox, run Redline Lightweight ShockProof.

Diff, not sure, but planning to run Redline of some sort.

REDLINE

RIMS

The stock size is 15x6", with a 20mm offset.

Apparently 17x7" rims, with a 25mm offset fit well.

You then have to be careful what size tyres you put on so that it doesnt scrape.

The largest I have seen on an MX73 was 18x8" on the front (with 245's) and 18x9" on the rear (with 265's), and he had to roll the guards to stop scrubbing.

I would recommend 17x8" on the rear (with 245/40's) and 17x7" on the front (with 215/45's)."

http://www.club-k.co.nz/Forums/viewthread.php?tid=19995

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Interchangable parts:

7m and 1jz:

Clutch kits (but not flywheel)

Cat back Exhausts

89+ motor mounts (rubber part)

Anything trans related

Anything gauge related

Rad (if you're not using the 1J hydro fan setup)

Driveshaft/Diff

2jz to 1jz:

Power steering pump

Alternator

Spark plugs (ngk 3330 and 6097)

US spec 550cc injectors (resistor pack needed)

JDM Spec 440cc injectors (drop in upgrade)

Water Pump (requires removal of the 1J hydro fan and a 2J pully)

Head gaskets (although most other gaskets do not swap, get a 1J set to do it right)

Clutch fan (if you use a MKIV water pump and pulley)

Fuel Pump

Serpentine belt (but NOT timing belt)

Oil filter and relocation kits

Intercooler kits

Plug coils

Cam gears (incl aftermarket adjustable)

Map sensor (I think... someone verify please)

Ignitor seems to be the same too

Rod and main bearings.

The head bolts, crank and rod bolts from stock or ARP either bolts or studs w/nuts.

The pistons including the wrist pins, wrings and locks.

Stock side feed or after market side feed high ohm injectors. Low ohm injectors require wiring in the 7M or preferably 2JZ injector resistor pack.

Water pump and housing when replacing the hydro fan to electric or clutch fan.

Cams are normally not interchangeable with out some grinding on the 2JZ cam and having it spun balanced, HKS, Jun and Blitz all make 256, 264, and 272 cams for the 1JZ.

Cam shims, springs, retainers, Valves and springs, along with buckets are interchangeable.

For an aftermarket flywheel, order a 7M fly but have the 2J bolt pattern drilled into it.

The 1988+ Isuzu Trooper 4 cylinder 2.6 liter engine (4ZEL) uses the same belt as the Toyota 1JZ engine. So instead of getting a belt from Japan (~$100) you can pick up an Isuzu Trooper belt locally at an auto parts store for about $30 US. Make Sure You Get The 4 Cylinder 2.6 Litre Engine Belt!

http://www.mkiiisupra.net/bbs/archive/i ... 34936.html

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