Thread: How fast should a Defender go?

My Disco in the NT pre speed limits and only to see what she would do topped out at 144/145 on a straight down hill stretch with a slight tail wind pulling 3750 which Im pretty sure is govener limit anyway but it wouldnt drop into lockup.

Defender High range gearing is lower but the tyres are taller than the 28" that I was running at the time so should have similar gearing but because your pushing a 1950's designed brick through the air with no thought of aero dynamics nore the power of either of your previous rides it isnt surprising.

They are not built for that sort of speed, they are designed to be the car that those drivers that you are over taking should be over taking you lol

Always good to see what you have though for if you do need it one day.

My 130 300TDi has only 127k on the clock.

When I drove it on the open roads it would go to 130 odd but screamed at me and only brief periods. comfortable was 95 to 100.

And dont forget the speedos read around 8% high!

I put 1.21 disco TX in and Diesel gas on and now can cruise at 125 on the clock and she will top 150 with a long run up (in controlled closed roads of course.)

it is nice being able to do the speed limit rather than setting it. But it is no rocket. Had a 2005 4l prado and loaded with camper trailer would overtake anything up any hill at 150+ scary!

besides I bought the 130 because of its off road performance!

James

My 110 V8 will do at least 150 on the flat............

Exactly.... Buy a V8

110-120km/h..but I usually sit on 100k's as I am never in a hurry

150k's towing in a Prado..sensible was the fuel gauge going the opposite direction?

Originally Posted by RonMcGr

Well, I don't know about the TD5, but I do know, an Army 110 will do 140kph with heavily laden trailer, but don't quote me on that

go the 4BD1

I can't comment directly because my combinations are different to yours (TD5 Defender + TDi300 Disco) but that sounds like something is not right if the best you can do is 115 downhill in 5th.

The TD5 Defender will occasionally see 130 but will happily cruise up hill and down dale at 110 all day even when loaded, although the start freeway out of Adelaide is hard work and requires 4th (but that is DAMN steep).

The TDi300 in the disco has different gear ratios to your Defender, but it goes like a train and is not particularly bothered by normal hills.

Since it is new to you, have you checked the air filter, and maybe even the fuel filter?

I reckon with a bit of investigation you'll find something that needs replacing/adjusting and it will go much better.

Have you driven another one to compare the two?

G'day RonMcGr

That 4BD1 is a 3.9 litre TRUCK motor in a 110, and at 140 they ARE spooky but what GRUNT!!!! and they are supposed to be goverened @ 125kph