Thread: Monster TD5 Project

Originally Posted by c.h.i.e.f

In conjunction with this Whilst the sd33t is an OK motor it isn't built for figures that are outstanding...2 reasons bottom end design and cylinder design once pushed hard and egts climb the cylinders start walking...if I was going to the trouble I'd goto the td42t you can get a heap of custom parts for them,heaps of blokes are playing with them for the off road scene and can get figures up around 800Nm however I couldn't be bothered with IDI diesels...

I love our TD42T, it's a hell of an engine that has taken some huge accidental abuse (boiled almost dry ) but a bloody lump of a thing and the Nissan 5 speed can be bolted to the LT230 but it'd be like squeezing a 6BD1 or 6B into the Landy engine bay with all that weight sitting over the nose.
It'd be a mongrel to work on too.

The weight that far forward really does affect highway/fast road steering too, and you'd better laminate/truss the front axle (which tend to bend with a 4BD1) or bolt in a Nissan front end, so where do you stop swapping parts ?

IMO the Td5 is a good base as it's all off the shelf stuff and the basic engine is a sound design and if you don't go too silly the R380 could even cope if driven sympathetically. (Ashcroft were also talking of trying to uprate some bearings at one point to help things along)

I'm looking forward to seeing where Benny's ends up, although he mentioned in the other thread that the latest S220 version VNT has a pretty aggressive delivery http://www.aulro.com/afvb/1780376-post17.html
http://www.aulro.com/afvb/1780991-post19.html

Originally Posted by rick130

I love our TD42T, it's a hell of an engine that has taken some huge accidental abuse (boiled almost dry ) but a bloody lump of a thing and the Nissan 5 speed can be bolted to the LT230 but it'd be like squeezing a 6BD1 or 6B into the Landy engine bay with all that weight sitting over the nose.
It'd be a mongrel to work on too.

The weight that far forward really does affect highway/fast road steering too, and you'd better laminate/truss the front axle (which tend to bend with a 4BD1) or bolt in a Nissan front end, so where do you stop swapping parts ?

IMO the Td5 is a good base as it's all off the shelf stuff and the basic engine is a sound design and if you don't go too silly the R380 could even cope if driven sympathetically. (Ashcroft were also talking of trying to uprate some bearings at one point to help things along)

I'm looking forward to seeing where Benny's ends up, although he mentioned in the other thread that the latest S220 version VNT has a pretty aggressive delivery http://www.aulro.com/afvb/1780376-post17.html
http://www.aulro.com/afvb/1780991-post19.html

im not sure how the td42 is far superior than the 1hz but it just seems to be much more durable for some reason....has your td42t got anything done performance wise rick out of curiousity?
your points about the td5 i have to agree it would be a much easier option than the others and probably the best platform to start with in a landrover...
i agree the R380 can be made to last if treated as you said but i can also foresee that with the amount of power that is being aimed for i personally would be using that power so driveline may not like it....

Originally Posted by Blknight.aus

Not gunna happen with the td5 lump and be reliable through the lot with that budget...

3-53 weighs in at about the same as the td5 and thats before you ally block it...

and ally block 3-53 wouldnt weigh in at more than 200kg with the options bolted on.

match yourself up a nice allison or eaton and your in with a chance.

as a one shot wonder it wouldnt be too hard to do.

Joe Hawkes reckons they weigh about 200kgs fan to flywheel. The one he still has is a complete sub-frame mounted installation package for a particular military vehicle. Engine, 4 speed trans, radiator on a sub-frame.

He had a spare oil cooler housing there one day. I was able to pick it up one-handed and throw it across the yard. The normal cast iron housing? Well, two hands to lift it and no way I could throw it. The engines were made in al. specifically for low weight where this is critical for low ground pressure vehicles operating in mud, snow, slush, swamp, etc.

I am with jakeslouw on cubic inches. Start with an engine big enough to do the job. Small bore highly pressurised engines are born to be troublesome. I reckon Land Rover should have developed a 5 or 6 litre in-line six cylinder, naturally aspirated, aluminium block and head, ferrous deck stiffeners cast in, or unit block and head on a separate crankcase.