Outer Limits 4x4 Board

Check to see if the rolling diameter of the tyres is the same side to side.
Do you have say a fresh spare on the LH front? Are the pressures the same?


The other reason for dives to the left is that the top bushes on the chassis for the rear A frame have failed.

I have had a Quaife (similar to ...

Could be
1 the ball joint above the rear axle. check with big lever.
2 Just backlash in the LT230 gears.
3 wear in the output shaft from the auto to the transfer.
Usually not the auto but further along the drive train.
Regards Philip A

My understanding is that the 81-85 high comp in Australia only had a unique cam with close lobe centres to meet emission regs .
These motors also had an air injection pump with 4 ports into the exhaust for afterburn and unique aircleaners with heating from the exhaust manifold .

I know mine didn't ...

I bet someone here can help you with parts sources etc. Maybe join.
Regards Philip A
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Unless someone has or did have this done that I am yet to find out about or am missing something regarding compliance hence my question. I am even thinking of putting the original bumper back on with the crush cans and putting winch cradle underneath set back just enough to not interfere with the ...

sounds like the 3.5 is the go then all i need to do now is find one for the right money, anyone on here got one for sale?
Look, I wasn't really commenting on whether a 3.5 is better, I was saying do not bother about the injection. 3.5s are more robust than 3.9 or 4.6 however.
A 4.6 will run well ...

I have fitted "Federal" injection to a 77 and IMHO it is not worth it.

I expected a great increase in fuel economy but really nothing much compared to well tuned Strombergs, and no real extra power.
However my engine was a High comp 81-85 and these had a very poor cam.

I would overhaul Strombergs ...

I have a 1993 3.5 ltr auto disco. The disco is pinging under load especially with the camper trailer in tow. I have replaced plugs,leads,rotor,dist cap,air cleaner and cleaned the air flow sensor. The timing is nearly at tdc.Any hints on what to do next would be appreciated thanks
I also suggest ...

At slow speeds my experience is that thermos would way outperform the old fixed fan in my POS
But how old was the viscous hub and was it stuffed?
A lot of people compare an old stuffed viscous with shiny new electrics.
Do you have aircon? and have you also got condenser fans?

I guess I am ...

Just a few general principles
1 You must have a shroud that fits tightly around the fans whether they be mechanical or electric
2 The shroud must be sealed where it meets the radiator so that there is no stray air going around it.
I personally am a fan(LOL) of viscous fans as the implied HP of one ...

A friend has a 3inch body lift and standard suspension with 35s, and swears by it for stability.
Regards Philip A

We think you may mean 5 inches LIFT.
Range Rovers have more than 5 inches travel.
This is serious stuff.
How deep are your pockets? Probably cost more than teh Rangie to have that lift, aside from the Engineers certificate which will itself probably cost more than the Rangie did.LOL
2 inches is the ...

Have you found a way to alter the speed that the torque lock kicks in?

Mine is a series 1 with the hydraulic lock.
Mine is also a ZF4HP22.

Well I do not think that I need a different speed lock, but I would like a tighter torque converter. There is a guy in Melbourne who can modify the trans to ...

It's interesting the 3.9 plot above only has 90kw to the ground.
Mine has even less but its not the BHP its the torque and where it is that matters for towing.BHP=torqueXrevs.

Mine climbs really well and the major problem that I have is that my TC slips up to 20% at 1800RPM to 2200RPM from all ...

If I could post up a scan I have a dyno chart for my Lexus powered Range Rover that shows 235.2kw at the wheels.

What transmission are you using and if a ZF, where did you get the adaptor?
Has it been engineered?
Who did the ECU integration?
Regards Philip A

Regards Philip A

What did you do to the heads, and what difference does a Thor manifold make?
First I reread a couple of books on theory , then got out the Dremel and ground for about 30 hours. To summarise I blended the bowls of the inlets and exhausts, had the inlet guide cut flush with the inlet port roof, and ...

Have a look at the Real Steel Site.
AFAIR the bits are about 3.5K.
Bruce Davis does a local turnkey for around 8K . One of my friends has one for towing a van.
Regards Philip A

get better economy from porting the heads replacing the cam and possibly supercharging the origional 3.5???
Ha ha a comedian!
The only surefire way to get power for towing is torque, and torque = capacity.
You can get a 5litre conversion done for about 8K assuming you have a manual, as it will ...

Lower the voltage , leaner the mixture.
Maybe you had bad contacts on the plug and the ECU was in Limp Home and disturbing it cleaned it .
To keep it good, just twist the contacts in the plug a LITTLE bit to get better contact.
Regards Philip A

Jepper, regardless of you checking, I would be pretty sure that you have a major air leak into the manifold somewhere that is causing your high rev idle.
If you do not have a leak it is impossible for it to idle at 1500RPM unless the throttle blade is way out of adjustment. Why not close down the ...

isnt that just gunna put the car out of balance the other way then what it is now......??
No not really.
Land Rover HD springs for RRC are 160Lb per inch front and 180Lb rear with a working hydromat.
Discos have 155/215 dual rate rear springs to give theoretically a good ride and then load ...

would it be making the knocking noise from the start though, even if i didnt prime the oil pump?

I do not really understand the question.Usually if the engine had not been started for a long time it will rattle from the start, but if it were only stopped for a few hours the tappets may still have ...

I had Jacmac rebroach my Detroit 10 spline to fit his HD axles ,about 15 years ago I must admit>LOL

I suggest that you talk to whoever you are going to buy the axles from before doing anything to find the most economical way. The Detroit had more meat around the carriers than a standard diff centre ...

Helloooo, anyone there?

Geez its mildly annoying when someone asks a question then just disappears when you have used valuable drinking time and worn down fingers on trying to help..

Regards Philip A

Just wondering if anyone knows the complete run down of setting timing on one of these things. i mean i try to find TDC on cyl. 1 but i dont know if its the bang or squeeze cycle. I did manage to get the car running but it sounded like the pistons were hitting something bad so i stopped it and gave ...

so far it has a 2 inch suspention lift and a 2 inch body

Well The first question to be asked is how stiff are the 2inch front springs?

They should be 160Lb per inch if articulation is the aim, and
this is LIGHTER than most if not all rears, and should articulate just as well.
If you have bought ...

This is very common on old engines. Apparently from cavitation in the pump.
Graeme Cooper used to have them welded and the oil pump repaired and sell them as reconditioned.
So it is pretty certain they can be aluminium welded.
Regards Philip A

would it be more work than just unbolting the feul injection and just bolting on the carbied manifold???

Well you would have to change the fuel pump to a low pressure one .

Regards Philip A

Now this may be complicated.
Have a look at the inlet manifold and carby/s. Is it an email carby 2 barrel on an inlet manifold that has not been cut and shut and no spacers between the manifold and heads?
If yes, it is p76 block.
If no and has 2xstromberg CD175s then look for spacers between the ...