Thread: Supercharge a TD5?

Originally Posted by flagg

As Clean said, you will loose out in your top end. Best way to get around this is to supercharge, AND turbo charge it (twin-charging)

Stop laughing, Lancia did this with their S4 and 037 (other have as well..)

Twincharger - Wikipedia, the free encyclopedia


In the real world though, VNT is a better choice.

uummm i didnt actualy say that. the top end would be the same or better depending on how you set it up. Its the bottom end that becomes the problem. as for cost i would sajest that a super charger would work out cheeper over all than say fitting a turbo IF you are able to do it your self. paying for it to be fitted would be a difrent story.
super charger say $350, drive Bsection belt and blocks $100 tops plus ducting say $100 a micro switch and electric dump valve $60. but as tombie pointed out, fitting it all in would be the problem.

Originally Posted by goanna_shire

I love the talk of this crazyness!!! If there's a diesel equivelant of petrol head i'm that.

Staying tuned..

P.S. maybe do it to a strong engine like a 4bd1 eh?

done a lot of thinking and messuring and i think i know how i would do it.

move the fule filter ( good time to change to a disposable one.

frount mounting points from the PS timing cover, inlet manifold, back from the inlet manifold.
drive from the water pump, 180 mm Dia B section Blower 140mm Dia

etc etc

salivating at the thaught..... mmmmmm...... supercharger.
It would sound very very good 1 would imagine and would put out some serious torque.

Maybe have to jimmy up a 15 speed crash box to hang on to the bastard though

Curnow,
Some years ago I completed a number of technical investigations into replacing the Garrett turbo on a Isuzu 4BD1T with a Sprintex (twin screw) supercharger.
In short, the positive displacement supercharger produces a much better charge air flow than a turbo (or a belt driven compressor), in that it is consistant through the rev range. There is no delay in boost pressure because the super is mechanically driven by the engine at a fixed drive ratio (usually).
In my experience of driving a supercharged Toymotor (6cyl diesel) the vehicle drove much as you would expect a petrol powered vehicle with similar output, so long as you do not go nuts, there is no ill effect attributed to installing the supercharger, it is an air pump.
To charge air boost; the TD5 has a factory boost of 15psi (1 bar) so long as you do not exceed this by way of supercharger sweep volume and drive ration, then you will not overstress the engine.
The down side is installation. the MAF and vacume tubes all must be inpalce on the lowpressure side of charge air intake and although the charge air will be much cooler (relatively) than turbo charged air, you should still use the aftercooler to reduce the charge air as much as possible.
Now contrarily, I have recently rebuilt my TD5, nasty case of dust ingestion, and amongst other things, I have ceramic coated the Exhaust (manifold, turbo and exhaust pipe), and Inlet (turbo compressor, inlet manifold). These changes appear to have greatly improved acceleration and response, while dramatically reducing underbonnet heat.
For the cost, you may like to investigate this option first rather than what I suggest will be a lengthy and expensive series of modifications to instal a supercharger (much as I also looked into this alternate myself ).
Sprintex quoted me A$2,500 for an appropriate model for the TD5 and offered to instal, though noe estimate was provided as they had not previously done a TD5.
lastly, before changing any of the factory hardware, cooling the charge air is the most effective improvement you can make. have a look at Laminova water to air coolers, there are a number of peole on the net offering off-the-shelf aftercoolers which can easily be installed in the LR engine bay.

Good luck.

MS

Originally Posted by goanna_shire

I love the talk of this crazyness!!! If there's a diesel equivelant of petrol head i'm that.

Staying tuned..

P.S. maybe do it to a strong engine like a 4bd1 eh?

well Im currently looking at throwing a VNT onto one and sitting it at something like 45psi but I cant find one that will develop that till i have the 4bd1 pushing 1200rpm...

Honestly you blokes rabbit on.....it is easy just get this .Ford Turbo Air Intake Performance Supercharger Fan Kit | eBay

Originally Posted by Blknight.aus

well Im currently looking at throwing a VNT onto one and sitting it at something like 45psi but I cant find one that will develop that till i have the 4bd1 pushing 1200rpm...

No your not

Originally Posted by curnow

G'Day Gang,
Has anyone put a blower on a TD5.
I have a 2000 130 Defender that has done 290k. I have bought a low k TD5 motor that is complete except for the exhaust and turbo. I was thinking of putting a supercharger on the old motor as an experiment and wondered if it has been done before? Cheers Dennis

Not a Land Rover Diesel but SuperCharged Diesel [ame=http://www.youtube.com/watch?v=Cv-9pxGMrQE&feature=mfu_in_order&list=UL]Toyota HiLux 2.2D Eaton Supercharger - YouTube[/ame]