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Look what the postman brought

Tech Talk for Rover owners.

Moderator: Micka

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Look what the postman brought

Post by landy_man »

BRING IT ON :D :D :D


Anyone want to buy some Hilux cv's :lol:
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Post by Strange Rover »

Longfields??

What axles are in the background?

Sam
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Post by landy_man »

yep

and jacmac

going in this w/e
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Post by Strange Rover »

Got the spindles and swivels machined yet?? What about drilling the housing for the toy thirds?

Sam
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Post by ISUZUROVER »

Well I hate to break the bad news, but I just was over at Sam's place and he foolishly let me drive the lockless monster :D . After a few pathetic attempts at climbing Sam's rock pile, I broke one of the exact same CV's as in your pic - while Sam's "Wrongfield" on the other side stayed intact.

I will be interested to see how the break occurred, if you want me to come back over and pull it apart Sam let me know...
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Post by landy_man »

Strange Rover wrote:Got the spindles and swivels machined yet?? What about drilling the housing for the toy thirds?

Sam


yep....had Jeff do all the machining including supplying and fitting the bush...
the housings have been marked out and are ready to drill....
will be assembling this weekend hopefully....all depends on if my locker arrives...

so Isuzu broke a Longfield.....FARK....details please Sam
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Post by RaginRover »

ISUZUROVER wrote:Well I hate to break the bad news, but I just was over at Sam's place and he foolishly let me drive the lockless monster :D . After a few pathetic attempts at climbing Sam's rock pile, I broke one of the exact same CV's as in your pic - while Sam's "Wrongfield" on the other side stayed intact.

I will be interested to see how the break occurred, if you want me to come back over and pull it apart Sam let me know...


I am extremely jealous Ben, so are you gonna sack you ute and build a buggy

Tom
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Post by RaginRover »

landy_man wrote:

so Isuzu broke a Longfield.....FARK....details please Sam


P76 V8 with 37s broke a long
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Post by landy_man »

i understand that part, but without lockers as well....there are blokes in the states who thrash their Longs with few breakages... but they are running larger than 37" tyres and are locked.
i would like to know how it broke...full loud hard turn or full loud straight etc....There are also blokes breaking cromo axles while running longs and big tyres.
I would have thought they would have lasted longer than a few runs...
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Post by RaginRover »

landy_man wrote:i understand that part, but without lockers as well....there are blokes in the states who thrash their Longs with few breakages... but they are running larger than 37" tyres and are locked.
i would like to know how it broke...full loud hard turn or full loud straight etc....There are also blokes breaking cromo axles while running longs and big tyres.
I would have thought they would have lasted longer than a few runs...


I wasn't so much arguing the fact that the engine power was the main culprit but rather that the lockless was Rover V8 not Isuzu. I am suprised too especially since they were only wheeling in Strange Rovers back yard. But I bet you $10 that it was the CV in the wheel that was turned full lock outwards that broke i.e. if the wheel was turned full right then the right CV broke. Maybe the steering on a rover turns the wheels too far and needs stops to limit the full lock angle ??
Last edited by RaginRover on Wed Mar 10, 2004 4:39 pm, edited 1 time in total.
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Post by landy_man »

yeah, I think we need a de-briefing from Sam :lol: :lol:
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Post by RaginRover »

landy_man wrote:yeah, I think we need a de-briefing from Sam :lol: :lol:


Pity his PC is in the back of my car !!! He will have to dig out his spare :)

Tom
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Post by ISUZUROVER »

I was hung up on the rock pile and yes it was the RHS that broke and the wheel was turned out. Can't be sure when it actually broke, think it was going forward - but I was trying to keep the wheel off full lock. Sam and others were watching, they can probably fill you in better.

I will be interested to see how it broke. Chuck (SR's business partner) pulled the filler plug and checked that it was the CV. Sam and I thought it was the R&P.

And Tom, you should be jealous, it was great fun. When I get back from Germany I think I might commence work on a new project.
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Post by DiscoDino »

Landyman

Did you get the longfields from Bobby Long? If yes, which series did u ask for (ordering from him in a week)

Also, are you going 30 splines or 24 splines with teh JM axles?

What Toy ratio are you going for?

Thanks
LR Disco truggy:
42" Iroks, ZF, dual cases & ARBs, 30 splined, Longfielded, OMEs, Optimas, M8274-50s, Rockstomper rope & Bead-L
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33" BFT AT, tuned, caged, 1/2 top
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Post by Strange Rover »

Havent pulled it apart yet but will be interesting. Hoping it is a case of incorrect steering stops - the rovers only have a steerng stop on the front of the swivel and not on the back. So when a wheel is turned out it can turn quite sharp cause the wheel is relying on the steering stop on the other wheel and things can really flex a lot.

Also when it broke Ben wasnt really giving it that much of a hard time so it was supprising. He was in the rocks but it was all muddy as well so not much traction although the tyres were loading up a fair bit at times. No shock loads either really cause of the traction control and no bouncing. He was giving it a bit of throttle in reverse though but not as much as what I would have given it.

Now I did give it a really hard time at cruza park the week before so maybe that had something to do with it - it didnt break there which supprised me cause at times I was giving it everything. Full noise in the rocks on a few of the climbs and also on some of the short course vertical assult climbs there I was getting a bit of air under the front tyres and landing full throttle (this was in dirt though).

Bloody good fun though :armsup: and will be interesting to see what happened. The more this rig breaks the more I learn. Good also that the wrong field in the longside hasnt broken yet.

Sam
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Post by landy_man »

DiscoDino wrote:Landyman

Did you get the longfields from Bobby Long? If yes, which series did u ask for (ordering from him in a week)

Also, are you going 30 splines or 24 splines with the JM axles?

What Toy ratio are you going for?

Thanks


new type with ring

30 spline

4.88
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Post by ISUZUROVER »

Sam the sooner you get a heat treating furnace and start making wrongfields commercially the better. :D

Oh and let me know if you want me to ship any MOG axle parts back from Germany.
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Post by TuffRR »

landy_man wrote:
new type with ring

30 spline

4.88


Craig - at least with 4.88's you won't have to worry about busting a Longfield first. :D
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Post by landy_man »

lol... yeah I know, but I don't have heaps of power now anyway....

once I stroke my spare motor and fit it, then I will most likely go to 4.5 or 4.1

but I reckon they would still be stronger than the rover


I also have a complete spare 3rd just in case ;)
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Post by Strange Rover »

landy_man wrote:lol... yeah I know, but I don't have heaps of power now anyway....

once I stroke my spare motor and fit it, then I will most likely go to 4.5 or 4.1

but I reckon they would still be stronger than the rover


I also have a complete spare 3rd just in case ;)


So are you running jac mac third members or hilux - Im guessing hilux if you are redrilling your housing.

What are you running in the front axle - high or low pinion. I dont know if the track bar will clear a low pinion.

If your running a high pinion front where did you get the 4.88 gears??

Sam
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Post by landy_man »

Strange Rover wrote:
So are you running jac mac third members or hilux - Im guessing hilux if you are redrilling your housing.

What are you running in the front axle - high or low pinion. I dont know if the track bar will clear a low pinion.

If your running a high pinion front where did you get the 4.88 gears??

Sam


i only have a low pinion front....i hope it clears it....the rover pinion did not look that much higher
will know by Sunday whether it all fits or not :?
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Post by Strange Rover »

The jac mac third uses a low pinion front but it has a formed cut out to clear the track bar. Im not so sure that it will clear but it shouldnt slow you up to much, might just mean you need to swap over to a high pinion although 4.88 gears may not be available (except new after market gears)

Worth a try anyway.

Sam
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Post by landy_man »

so if I can't get it to fit I can buy any hi pinion 3rd and get some hi pinion gears in a 4.88 from Precision or whoever
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Post by ISUZUROVER »

While we are on the subject, anyone know if 4.7's are made (high pinion or otherwise) by anyone other than Jac Mac? I have heard that his R&P's in LR ratios have had case hardening problems.
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Post by landy_man »

:bad-words: :bad-words: :bad-words: :bad-words: :bad-words:

Okay, so a low pinion Toyota centre will definately not fit into a front Rover setup. The trackrod is definately to high and hits the oil feed/gallery for the pinion bearings.... Can not even grind it to make it fit......

My only options are

- Find a used 4.8 high pinion centre - IF ANYONE KNOWS WHERE I CAN BUY ONE....PLEASE LET ME KNOW - NONE OF THE WRECKERS IN MELBOURNE SEEM TO HAVE ANY

- Buy a high pinion centre with different ratios and purchase new aftermarket 4.8 gears - nice option, but my $$$ are starting to run low after buying the axles, flanges, centres etc. etc.

- Now...would it be possible to elongate swivel hole and rotate pinion upwards... We rotated the swivels by hand and it only needs to be rotated a little but it looks like my trackrod will then be lower than the diff....or am I just :silly:

Please help ......matches and petrol ready
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Post by ISUZUROVER »

landy_man wrote:- Find a used 4.8 high pinion centre - IF ANYONE KNOWS WHERE I CAN BUY ONE....PLEASE LET ME KNOW - NONE OF THE WRECKERS IN MELBOURNE SEEM TO HAVE ANY

- Now...would it be possible to elongate swivel hole and rotate pinion upwards... We rotated the swivels by hand and it only needs to be rotated a little but it looks like my trackrod will then be lower than the diff....or am I just :silly:


AFAIK (and I am not a toyota person so could be wrong) no toyotas came with a 4.88 high pinion.

It may work, but the pinion angle on a rangie is fairly steep already.

Other options:
Buy jacmac diff centre casting (low pinion, but designed differently so it clears the track rod) and swap in your centre and gears.

Sell both diff centres and buy a high and low pinion 4.3 or 4.5 (if they make an HP 4.5).
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cbr
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Post by cbr »

ISUZUROVER wrote:
landy_man wrote:- Find a used 4.8 high pinion centre - IF ANYONE KNOWS WHERE I CAN BUY ONE....PLEASE LET ME KNOW - NONE OF THE WRECKERS IN MELBOURNE SEEM TO HAVE ANY

- Now...would it be possible to elongate swivel hole and rotate pinion upwards... We rotated the swivels by hand and it only needs to be rotated a little but it looks like my trackrod will then be lower than the diff....or am I just :silly:


AFAIK (and I am not a toyota person so could be wrong) no toyotas came with a 4.88 high pinion.

It may work, but the pinion angle on a rangie is fairly steep already.

Other options:
Buy jacmac diff centre casting (low pinion, but designed differently so it clears the track rod) and swap in your centre and gears.

Sell both diff centres and buy a high and low pinion 4.3 or 4.5 (if they make an HP 4.5).


I believe some imported swb landcruisers come with 4.88 HP. Very rare

Chris.
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Re: Look what the postman brought

Post by RUFF »

landy_man wrote:BRING IT ON :D :D :D


Anyone want to buy some Hilux cv's :lol:


I got another of those you can buy if you like?
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Post by mickrangie »

Strange Rover wrote:
landy_man wrote:lol... yeah I know, but I don't have heaps of power now anyway....

once I stroke my spare motor and fit it, then I will most likely go to 4.5 or 4.1

but I reckon they would still be stronger than the rover


I also have a complete spare 3rd just in case ;)


So are you running jac mac third members or hilux - Im guessing hilux if you are redrilling your housing.

What are you running in the front axle - high or low pinion. I dont know if the track bar will clear a low pinion.

If your running a high pinion front where did you get the 4.88 gears??

Sam


LandyMan was going to run a low 3rd but the track bar didn't fit by about 10mm or something stupid like that...

Last I spoke with him he was going to pick up a 4.8 high 3rd so it should be full steam ahead now...
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Post by red90 »

So i sthe broken CV a Longfield or a Profield?
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