want a faster fender

[lnd130]

how do i get the 130 tdi to cruise at 130km without huge revs options ive thought of include electric overdrive,bigger intercooler, change diff centres but that will change low range, 4.6lt rangie motor and their goes the economy dont want a race car just want to poke along at a decent speed without huge rpms............help

[JDNSW]

I have an idea that Discoverys have a higher high range, and the gear set should be easily swapped. I am sure someone will confirm this.

Just as a query, I see you have a NSW address - where in NSW can you legally travel at 130kph?

John

[dullbird]

i'm sure NSW people do venture over to the dark side occasionally.....
I was only in a 130 speed zone 3 weeks ago ;)

[Sleepy]

how do i get the 130 tdi to cruise at 130km without huge revs options ive thought of include electric overdrive,bigger intercooler, change diff centres but that will change low range, 4.6lt rangie motor and their goes the economy dont want a race car just want to poke along at a decent speed without huge rpms............help


You can change hi range without changing low - John is right the Disco has a slightly higher range. GKN make a nice overdrive although about 3 grands worth.

Not sure what your after though, more grunt or higher top speed - even a relatively gutless engine can get to 130 with the right gearing.

You can certainly "work" the tdi to get more out of it.. How much do you want to spend?

4.6
Supercharger
exhaust
nitro??:twisted:

[spudboy]

What about slightly bigger tyres? Reasonably cheap, but might knacker your 1st gear take off acceleration (what little there is :D)

[rick130]

LT230 ratios here Land Rover Gear FAQ (http://members.shaw.ca/red90/gears.html#lt230)
Bear in mind you'll need to match the gear width (27mm early, 32mm late) and which type spline for the engagement dogs. (early are wide, late narrow)

[lnd130]

more grunt and more speed i,m a greedy boy its not that i drive above the speed limit all the time but its nice to have the ability to when youve got alot of ground to cover:angel:

[CraigE]

GKN no longer make the overdrive due to too many failures, I was looking at this a few weeks ago.
Another option is to put in Disco high range gears only. Ashcroft UK make a set for this purpose at about $500 AUD delivered. I am considering going down this route as I reckon I will need a new clutch anyway in the next 18 months or so. Not sure if it is possible to just use a set out of a Disco R380 or not????
Taller tyres may also help.
The only problem with this is 1st gear high range will be taller and may take a bit of getting used to taking off.
Inter cooler and chip wil give the most benefit.
Also removing the centre muffler and putting in a straight through piece will help the turbo spool up quicker.
CraigE

[slug_burner]

GKN no longer make the overdrive due to too many failures, I was looking at this a few weeks ago.
Another option is to put in Disco high range gears only. Ashcroft UK make a set for this purpose at about $500 AUD delivered. I am considering going down this route as I reckon I will need a new clutch anyway in the next 18 months or so. Not sure if it is possible to just use a set out of a Disco R380 or not????Taller tyres may also help.
The only problem with this is 1st gear high range will be taller and may take a bit of getting used to taking off.
Inter cooler and chip wil give the most benefit.
Also removing the centre muffler and putting in a straight through piece will help the turbo spool up quicker.
CraigE

The taller disco gears are in the transfer case (LT230)

[rick130]

The taller disco gears are in the transfer case (LT230)

Which is why I posted the link to the gearing charts above.
Often it's much easier to grab a Disco t/case, unless you want to install something like the old Maxi low low range set too.

33" tyres also up the gearing 7-8% too (and correct the speedo)

[PAT303]

The simplest option is just swap transfers over.You can source them cheap,rebuild it and of you go.With the 4.6 you want to up the torque and get it happening early. Pat

[Frenchie]

A 130 would be ideal to have a gas turbine bolted into the tray. Use the normal engine to get up to 100 then cut in the gas turbine and slip into neutral. Bingo - low revs, lots of speed. :twisted:

[PAT303]

You haven't been with those penguin's for too long have you Frenchie. Pat

[lnd130]

very nice idea frenchie, hows the weather at davis mate of mine did twelve months down there at casey, hope your not rallying the station vehicles in two wheel drive apparently you get in trouble for that...........

[lnd130]

so i,ll track down some disco gearing but where do i get a perfomance intercooler from thanks for the imput gentlemen

[PAT303]

I wouldn't bother with a bigger intercooler,I just had mine hooked to D/gas and it gives more performance,cooler head temp,cooler oil temp,cleaner burning and less noise all for a grand after rebate. Pat

[dullbird]

i thought that rudd got rid of the rebate??

[rick130]

I wouldn't bother with a bigger intercooler,I just had mine hooked to D/gas and it gives more performance,cooler head temp,cooler oil temp,cleaner burning and less noise all for a grand after rebate. Pat


Be a little careful Pat, and stick with 5000km oil changes.
A bloke on another site posted some UOA's using Delvac 1, one out of a L/C with the 1HZ, and the other out of an F250 with the 7.3l Power Stroke and both had excessive sulphation, nitration and oxidation running the diesel/LPG.

[CraigE]

The simplest option is just swap transfers over.You can source them cheap,rebuild it and of you go.With the 4.6 you want to up the torque and get it happening early. Pat

Yep, and have thought of that but then you lose the lower geared low range for off road use. This is why I will probablly go the ashcroft gear way or if I can get a Disco transfer case for the right price maybe pull the high range gears out and change.
Cheers
CraigE
:D

[CraigE]

The taller disco gears are in the transfer case (LT230)
Thats what I meant. Thanks.
:):):):)

[rick130]

Yep, and have thought of that but then you lose the lower geared low range for off road use. This is why I will probablly go the ashcroft gear way or if I can get a Disco transfer case for the right price maybe pull the high range gears out and change.
Cheers
CraigE
:D

No you don't. Low range is an identical ratio in all the LT230's, regardless of the high range ratio. ;)

The only way to get a lower low range is to install the Maxi low range gear set or use an Ashcroft Underdrive that bolts onto the back of the t/case.

[jddisco200tdi]

If you change to disco transfer gears in a 130 you will regret it. That vehicle is too heavy to get it moving.
I would suggest going to slightly taller tyres and tweaking the fuel injection pump for some more go.

I have a friend with a 130 CC which has disco transfer gears and if you want to swap transfer cases he will gladly do it.

Regards

John D - Defender 110 2.4

[CraigE]

No you don't. Low range is an identical ratio in all the LT230's, regardless of the high range ratio. ;)

The only way to get a lower low range is to install the Maxi low range gear set or use an Ashcroft Underdrive that bolts onto the back of the t/case.
Well that confuses issues.:o
There is quite a bit written on the web on the replacement aschcroft high range gears for the Defender and most often there is reference to keeping the lower Defender low range by installing these gears and getting a higher high range for on road and lower on road rpm. It is stated on several reviews / statements that the Defender low range is in fact lower than the Disco. Fact or Fantasy?????????:wallbash:
Will have to look at the ratios in the Rave when I get home and do some more research. If that is the case then it is probablly much easier and not much dearer to get a Disco LT230 and change out.
Thanks for the info, :D but forgive me as I am going to double and triple check before I commit to one method or the other.;)
Does anyone have the ratio's at hand for reference?

LandyAndy look out if you come down at Xmas, you may find me under Betty:o pulling out her transfer box.
Cheers
Craig

[rick130]

Dave Ashcroft has been making a few posts lately, so hopefully he'll chime in.
There are some small variations in the gearing which are all to do with the primary reduction gear in the case.
According to my sources (Maxi Drive tech catalogue) these are
26/41 = 1.557:1
28/44 = 1.557:1
38/59 = 1.552:1

all the low gear pinions are 19 teeth which is 19/41 = 2.105:1

Multiply your low range gear by the primary reduction gear to get your low range ratio.
They are basically all the same low range ratio.

[C H T]

Several things to note:
1. All LT230 low range ratios are the same -
2. All Dicso LT230s have 1.2:1 high range which gives just ove 2600 rpm at 120km/h in a Defender.
3. 1.2:1 high range will make the vehicle a bit of a hill detector, but that is overcome by changing down a little earlier.

Verdict: I fitted a 1.2:1 (Disco) transfer case to my Defender 110 (always heavily loaded - not much lighter than a loaded 130) before the Isuzu was fitted. The vehicle was faster point to point, better on fuel, quieter - downside a bit more gear changing. If I had not fitted the Isuzu I would have retained the 1.2 TC. 120 km/h cruise was very relaxed.

PS Low Range 3.321:1, High Range (Defender) 1.4:1; or (Disco) 1.22:1. A disco TC in a Defender raises high range by approx 16%

[DirtyDawg]

Fast Defender:D:D WTF would you buy a Defender if you wanna go Fast.......
Get a Disco or a newish jap thingy.......poor ol fenders weren't engineered to go Fast...they were engineered to go Anywhere.
Now onto the next fantasy post.....:D:D:D

[Tusker]

Will it cruise at 130 kph now? Or is it just a matter of being more comfortable?

Irrespective of gearing, it takes the same hp to sit on say 130 kph. If it struggles to maintain speed, more hp is the go. If it goes ok, doesn't die too badly on hills, then yes taller gearing will make for a more relaxed vehicle.

I'm assuming you have 1.4s in the t/case. Swapping to 1.2s makes a 15% difference in the revs. Swapping to the D2 quiter gears makes ahuge difference in noise & refinement.

I'm surprised at the earlier post that the 1.2Q Disco gears didn't work. I have that conversion and its the biggest single improvement in making the Defender a blacktop tourer. It transforms the car on the open road. I can onlly guess that the 130 with these gears is down a bit on power and the taller gearing made it worse. Mine's a TD5 with a mild chip. It will hold 5th gear on cruise control on 99% of freeway & highway hills.

Regards
Max P

[Scallops]

How about this - 132 bhp and 340 Nm (250 Lb.ft) Torque :cool: Wouldn't this remap completely change the torque/power curves and rev response?

JE Engineering Defender Diesel Engine Upgrades (http://www.jeengineering.co.uk/d_diesel_eng.htm)

[lnd130]

tusker its a 98 tdi 130 it sit on 120/125 but its doing 3000rpm pulls quite well up cathrine hill changing down comes over the top sitting on 100 in fourth so gearing is an issue along with hp i,ll never get rid of it but when the wife blasts past in the gu patrol its an issue

[abaddonxi]

Detune the Patrol.

Cheers
Simon

[lnd130]

Detune the Patrol.

Cheers
Simon no cause i borrow it when i need to go somewhere in a hurry

[lnd130]

Detune the Patrol.

Cheers
Simon no cause i borrow it when i need to go somewhere in a hurry

[CraigE]

Fast Defender:D:D WTF would you buy a Defender if you wanna go Fast.......
Get a Disco or a newish jap thingy.......poor ol fenders weren't engineered to go Fast...they were engineered to go Anywhere.
Now onto the next fantasy post.....:D:D:D

Personally, I dont want to go faster, just a bit more respectable RPM at 110kmph and better power. Hence why I am considering high gear or trans box change when I do the clutch. Also probablly intercooler and chip kit.
Cheers
CraigE
:D:D

[isuzurover]

I would suggest going to slightly taller tyres and tweaking the fuel injection pump for some more go.

I agree!

33's, some wastegate and IP tweaks (after you fit an EGT), and a new/larger IC if you wish.

[Sleepy]

OK, this thread has some legs - it seems there is a lot of interest in making Defenders go fast.

(Activating anti flame sheilds......NOW!):cool:

I can understand more grunt (torque) for towing, offroad, carrying heavy loads but why do you want to go fast in a Defender? It's just not built for it. It's a utility vehicle.

Seems to me 120 - 130kmh is more than ample. (And legal only in NT)

Why not buy a <<<insert boring road vehicle here>>> which is built for it!


(I want full power on the sheilds now scotty!)

[isuzurover]

OK, this thread has some legs - it seems there is a lot of interest in making Defenders go fast.

(Activating anti flame sheilds......NOW!):cool:

I can understand more grunt (torque) for towing, offroad, carrying heavy loads but why do you want to go fast in a Defender? It's just not built for it. It's a utility vehicle.

Seems to me 120 - 130kmh is more than ample. (And legal only in NT)

Why not buy a <<<insert boring road vehicle here>>> which is built for it!


(I want full power on the sheilds now scotty!)


The original poster wanted to be able to cruise at 130. Personally I am usually happy to cruise at 110 (when speed zones permit) - but now I have a turbo I can sit on any speed up to about 145 :eek:

[rick130]

tusker its a 98 tdi 130 it sit on 120/125 but its doing 3000rpm pulls quite well up cathrine hill changing down comes over the top sitting on 100 in fourth so gearing is an issue along with hp i,ll never get rid of it but when the wife blasts past in the gu patrol its an issue

OK, I can add something useful here, having a 300Tdi 130 CC that's usually loaded to the gills (or at least tares out at 2660kg with my usual amount of gear in it) and SWMBO drives a GU Patrol TD42T ute usually unladen except for our Lab, (who much prefers the back seat of the 130 :D ) unless there's a float on the back or horse feed in the tray.

255/85's knock the go a little, but up the fuelling on the pump, a bigger exhaust if you wish and you will dust of the Patrol (if it's stock)
The 130 is at least as quick loaded as the Patrol empty. (and I've backed the pump fuelling off a tad to where it used to be. I'm still a bit sus on long term engine health with the pump wound up to where most people tend to go. UOA's on the couple of Tdi's I've seen aren't real flash.......)
If the Patrol has a 3" exhaust and the pump tweaked, forget it :(

Cruising at 130km/h in a Defender is problematic thanks to the substantial lack of aero. You will drink substantially more juice, and as you add external stuff such as bar work and roof racks it really kills things.
I still hate headwinds.
Back off to 100/110km/h indicated, the 255's correct the speedo which is 7-8% out and at least you can have a conversation of sorts.

[PAT303]

I have found that if you go that fast in any diesel vehicle you may as well have a V8 as the diesel will use just as much fuel.The defender is as suitable for 130 as a WRX is at crossing rivers. Pat

[VladTepes]

Mine's a TD5 with a mild chip. It will hold 5th gear on cruise control on 99% of freeway & highway hills.

Regards
Max P

TOTALLY different cooking vessel of pisceans than a 300Tdi mate.

Ind130
I wonder if an auto gearbox from a Disco would help you ?

[isuzurover]

I have found that if you go that fast in any diesel vehicle you may as well have a V8 as the diesel will use just as much fuel.The defender is as suitable for 130 as a WRX is at crossing rivers. Pat

Not IME, but I only have personal experience with ISUZUs.

Drove a 4BD1 (NA) 110 flat out with a roofrack and 3 people in the US. Foot literally flat to the floor from service (gas) station to service station - HUGE head winds, could do 80-90 in 3rd, wouldn't pull 4th or 5th.
We used 16.5 L/100.

I recently drove Perth - Nannup - Mileannup - Mgt River - Perth. 3 people and a load of camping gear. Sat at 110-120 km/h all the way down and back (including a few faster stints on back roads testing out the turbo). Did some sand driving. Averaged 12.4L/100.

I doubt a V8 110 on 33's could get less than 20L/100 doing the same.

[tacr2man]

T*y+$a 1hz towing trailer , fast as it was able ,limited only by road holding ,23.4l/100 :o in WA legally as well , worse than V8 110 IME

[justinc]

I agree with Isuzurover 100%. Go the 255/85/16 (33") tyres. 7 to 8% higher gearing with a Tdi 130 is about the limit for starting on hills, even unladen, and on road you will still be a victim of headwinds and hills.
Simple fact is the Tdi hasn't got the cubes to do much more. A fantastic 2.5 litre 1950's tech engine it is, but it isn't quite a Big jap 6 cyl diesel or a 4BD1:(

I drive a lot of them, and it is obvious to me that the gearing will be too high for a 130, possibly be OK for a 110 but even then I'd be hesitant. Don't forget, the Td5 has a much larger diameter clutch than a Tdi, so the Tdi clutch will get a fair work out in traffic and hilly stop/ start stuff.

JC

[rick130]

<snip>
Go the 255/85/16 (33") tyres. 7 to 8% higher gearing with a Tdi 130 is about the limit for starting on hills, even unladen, and on road you will still be a victim of headwinds and hills.
<snip>
JC

and you'll still be starting in low range 2nd when towing, IME, even with the pump wound up.