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Thinking about installing 30% reduction gears
Moderator: Micka
Thinking about installing 30% reduction gears
Hi all
I have researched outers regarding the installation of the maxidrive 30% reduction transfer gears into a LT230.
I have spoken with Warren from MR Automotive at Redcliffe (who now distribute MD gear) and he says the kit is available in DIY form. I just need to remove my intermediate gear and send to him for machining.
Anyone done this in the comfort of their own garage? I am thinking about doing it myself and I am just wondering if there are any tricks? I understand there is some grinding involved to fit the new low range gear.
At $1650, it is well on the money.
Cheers
Andrew
I have researched outers regarding the installation of the maxidrive 30% reduction transfer gears into a LT230.
I have spoken with Warren from MR Automotive at Redcliffe (who now distribute MD gear) and he says the kit is available in DIY form. I just need to remove my intermediate gear and send to him for machining.
Anyone done this in the comfort of their own garage? I am thinking about doing it myself and I am just wondering if there are any tricks? I understand there is some grinding involved to fit the new low range gear.
At $1650, it is well on the money.
Cheers
Andrew
Think I paid $1800 delivered to Mal in '04 for a second hand 1.2:1 LT230, with 30% reduction that was sitting on the shelf. At the time was way way cheaper and easier that the DIY route.
Somewhere sometime ago I managed to get the DIY instructions for the kit. From memory, they read as it being a dead-set easy task. Grinding of the case was only required with the installation of the large gear in the 40% kit. 30% gears fitted straight in. (Apparently)
Somewhere sometime ago I managed to get the DIY instructions for the kit. From memory, they read as it being a dead-set easy task. Grinding of the case was only required with the installation of the large gear in the 40% kit. 30% gears fitted straight in. (Apparently)
Bushies: http://www.angelfire.com/on4/bushy5560/ http://www.angelfire.com/on4/bushy5561/
Lightforce HID conversion stuff: http://www.angelfire.com/on4/bushy5551/
Lightforce HID conversion stuff: http://www.angelfire.com/on4/bushy5551/
I put the 30% reduction gears in the LT230 in my rangie (the other ratio was not available at the time).
The LT230 has to be one with taper roller bearings for the intermediate gears (can't be done for the earlier LT230 with needle rollers).
For the 30% reduction gears, I had to grind material from bosses inside the case and also the rod for the selector fork. The gear was larger in diameter than the hole in the rear of the case where the rear output housing bolts up - the gear has to be fitted through the rectangular opening underneath.
It is a job that you can do yourself with a smallish angle grinder.
The LT230 has to be one with taper roller bearings for the intermediate gears (can't be done for the earlier LT230 with needle rollers).
For the 30% reduction gears, I had to grind material from bosses inside the case and also the rod for the selector fork. The gear was larger in diameter than the hole in the rear of the case where the rear output housing bolts up - the gear has to be fitted through the rectangular opening underneath.
It is a job that you can do yourself with a smallish angle grinder.
John
Re: Thinking about installing 30% reduction gears
andrew they dont distribute MD gear they now make it for themselves bud, not sure if its the 30% as well , but the 49% i know is a bit of mucking around to fit.86MUD wrote:Hi all
I have researched outers regarding the installation of the maxidrive 30% reduction transfer gears into a LT230.
I have spoken with Warren from MR Automotive at Redcliffe (who now distribute MD gear) and he says the kit is available in DIY form. I just need to remove my intermediate gear and send to him for machining.
Anyone done this in the comfort of their own garage? I am thinking about doing it myself and I am just wondering if there are any tricks? I understand there is some grinding involved to fit the new low range gear.
At $1650, it is well on the money.
Cheers
Andrew
1986 - Stage 1 V8 serIII style side ute - gone
1997 - 300 TDI 130 single cab ute - gone
1986 - 90 defender soft top, bars, buttons and tyres
2000 - TD5 disco 'the boss's rig'
1997 - 300 TDI 130 single cab ute - gone
1986 - 90 defender soft top, bars, buttons and tyres
2000 - TD5 disco 'the boss's rig'
Sorry Def90 you are right...
Warren at MR Automotive said the DIY kit was fairly easy to do for 30% reduction gear.
Are there any tricks to removing the transfer box? Is it just a case of removing tailshaft, handbrake drum, disconnecting the gearshift lever mechanism and then removing the box?
Cheers
Andrew
Warren at MR Automotive said the DIY kit was fairly easy to do for 30% reduction gear.
Are there any tricks to removing the transfer box? Is it just a case of removing tailshaft, handbrake drum, disconnecting the gearshift lever mechanism and then removing the box?
Cheers
Andrew
You don't hav to remove the handbrake drum, but it will make it lighter and it has to come off eventually.86MUD wrote:Sorry Def90 you are right...
Warren at MR Automotive said the DIY kit was fairly easy to do for 30% reduction gear.
Are there any tricks to removing the transfer box? Is it just a case of removing tailshaft, handbrake drum, disconnecting the gearshift lever mechanism and then removing the box?
Cheers
Andrew
If you remove the input gear, you will find it a bit easier.
Definitely re-bolt the t/case to the gearbox with the input gear removed as it is much easier. Also make up some studs to the t/case back on.
Depending what high range ratio you have, you may have to rotate the intermediate gear so the input gear will pass the low range gear.
John
yes they are straight cut, noisy yes compared to the OEM gears, but in reality they are only when ingaged doing low range work. doesnt both me at all, i have the nosier 49%advdisco1 wrote:i heard that the reduction gears are straight cut
and could be a bit noisy. dont know weather thats
an idea thou.
its a rover after all , not a bently
Serg
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