If you had the choice, diesel or petrol 80?
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- #42
MPG in terms of fuel costs isn't a priority to me, but the added range of the diesel is definitely a plus. Also i have been speaking to a company called Allisport, here in the uk, and they reckon with a bit of tuning and an intercooler you could expect 25 - 30% gains in power and torque.
Hmmm... I may be a convert.
Thanks for all the posts and info.
Hmmm... I may be a convert.
Thanks for all the posts and info.
Just read what some people in OZ are doing with diesel engines...things like drag racing, LOL. Gbentink is a member here and has played with a 1HD-T in the past and is now making a big-boost 12H-T. Here's a link to one of his threads:
https://forum.ih8mud.com/diesel-tech-24-volts-systems/269939-12h-t-performance-build.html
Even if you didn't add an intercooler and just added a manual boost controller and bumped up your boost to 14psi...even without turning up your fuel, I would bet that you would be pleasantly surprised with what that diesel will do. But your desire for power gains is contradictory to your desire for extended range to a certain extent, as after a certain point of tuning, producing more power will require more fuel.
The 1HD-T series is also much more refined than the older generation Toyota diesels and probably all of the other diesel offerings from other makers in terms of smoothness and how quiet it is.
https://forum.ih8mud.com/diesel-tech-24-volts-systems/269939-12h-t-performance-build.html
Even if you didn't add an intercooler and just added a manual boost controller and bumped up your boost to 14psi...even without turning up your fuel, I would bet that you would be pleasantly surprised with what that diesel will do. But your desire for power gains is contradictory to your desire for extended range to a certain extent, as after a certain point of tuning, producing more power will require more fuel.
The 1HD-T series is also much more refined than the older generation Toyota diesels and probably all of the other diesel offerings from other makers in terms of smoothness and how quiet it is.
Toyota Turbo Diesel engine aren't for all .. it's just coz you like 'em not for economy and not for performance ( but they can be as powerfull as a gasser is .. )
Agree. And of course if the OP were asking "I'm planning to tow a 6500lb trailer about 10,000 miles a year" then my answer would change in favor of the diesel. At that level of work the durability of the diesel would come to the fore of the analysis.
Personally, I'm waiting for the small quiet diesel generator and powerful electric motor combo to be offered in an SUV. Essentially a mini version of a diesel/electric locomotive.... Put the generator in a 2 foot square soundproof box underhood and let 'er rip!!
DougM
Personally, I'm waiting for the small quiet diesel generator and powerful electric motor combo to be offered in an SUV. Essentially a mini version of a diesel/electric locomotive.... Put the generator in a 2 foot square soundproof box underhood and let 'er rip!!
DougM
I agree that it takes different strokes for different folks...
Personally, there's a visceral satisfaction in hearing the clatter of a well tuned diesel engine. The 1HD-T is about the quietest I would go...
I'm selling my diesel manual cause i bought a petrol auto.
i like the auto better because it gets up and going and changes gear more gracefully than the manual under normal driving.
i like the petrol because it's smooth, more powerfull and most of all quiet.
I can now listen to my soft classical music on the highway now
the mileage difference is minor in my case. only went up 5litres per 100k
would i have a diesel again? sure. i'd have the new v8 twin turbo for sure. but the old tech noisy slow pos diesels can go straight to the scrap yard.
best of all I can now call all diesel drivers tight arses, because I think most diesel drivers are the kind that watch the dollars roll up on the bowser, rather than the lovely young ladies filling up their cars.
i like the auto better because it gets up and going and changes gear more gracefully than the manual under normal driving.
i like the petrol because it's smooth, more powerfull and most of all quiet.
I can now listen to my soft classical music on the highway now
the mileage difference is minor in my case. only went up 5litres per 100k
would i have a diesel again? sure. i'd have the new v8 twin turbo for sure. but the old tech noisy slow pos diesels can go straight to the scrap yard.
best of all I can now call all diesel drivers tight arses, because I think most diesel drivers are the kind that watch the dollars roll up on the bowser, rather than the lovely young ladies filling up their cars.
I can now listen to my soft classical music on the highway now
You used the wrong smilie...should have been a
or maybe a 
Better to have a "tight arse" than one loose from being reamed too many times at the pump.
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not necesary .. you will be surprised with how many of us are just engaged with the lovely sound and power out from a turbo diesel engine ..
From someone else based in the uk. Go diesel every time. Unlike in the us, the majority of 80's here are diesel so the arguments about service and parts issues are non existent. Everyone knows about diesels and the parts are easier to get hold of than for the gasser. Plus with a diesel, its only oil and filters so no messing about with plugs etc.
All diesel 80's here are 24v starting which eliminates any cold starting issues. My 80 starts instantly even at -25C which is about as cold as it ever gets here.
Fuel economy is the main concern though. Even if you're only doing a low mileage, when fuel costs about $9 a gallon a gasser 80 runs out of appeal pretty quick. My 1-HDT does not far off double the fuel mileage of my friends gasser when we go on trips together. Plus on long hills fully loaded I can leave him for dust!
Only one concern, all diesel 80s from 95 on were 5 speed over here so you won't get a auto diesel unless you go for an earlier truck. But the 5 speeds better anyway.
Jamie
All diesel 80's here are 24v starting which eliminates any cold starting issues. My 80 starts instantly even at -25C which is about as cold as it ever gets here.
Fuel economy is the main concern though. Even if you're only doing a low mileage, when fuel costs about $9 a gallon a gasser 80 runs out of appeal pretty quick. My 1-HDT does not far off double the fuel mileage of my friends gasser when we go on trips together. Plus on long hills fully loaded I can leave him for dust!
Only one concern, all diesel 80s from 95 on were 5 speed over here so you won't get a auto diesel unless you go for an earlier truck. But the 5 speeds better anyway.
Jamie
With the diesel versus gas thing, it's either you or it isn't. Just like the people who dig Landcruisers, Jeeps, Discos, tall chicks, fat chicks, readheads, etc, etc, etc. You have to have it and nobody can tell you any different. I started off in Japan with an '88 5th Generation Hilux pickup with the 2.8l diesel and a manual tranny. Great truck, ran, and ran, and ran, and ran. Like the toyotas of old, the body will give out before the engine and drive train would.
Went from that to a '96 Mitsubishi Delica Spacegear with a lift on 31's. The 2.8L turbo diesel on that was the tits. Quiet, efficient, good low-end torque for the off-road camping trips.
I wound up with a 70 Series 4-Door diesel Prado, my first Landcruiser. I love that truck and if I could have, I would have brought it back with me to the US. That got me the diesel itch that I brought back to the states with me.
With the current trucks in the stable, I have to say, the Cummins 80 turns heads. It has all the broad brush items that people poo-poo when characterizing diesels, it's loud, it rattles, it's stinky
But, mileage is better than a 1FZ 80 loaded up like mine is. As a mechanical diesel, the Cummins is easy to work on, parts cost is no different than any other motor as it still is kind of a production engine. Like I said, either you have the diesel itch, or you don't. And for us here in the Estados Unidos, the Yota diesels are kinda like the holy grail. We just don't have them
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- #52
Hey Jamie_Scotland,
Do you know what year the 24 valve diesel 1HD-FT motor came out in the UK?
Do you know what year the 24 valve diesel 1HD-FT motor came out in the UK?
Same time as they dropped the autos. Some time in 95. They're a bit more economical than the 12v but have a bit less low down torque. Possibly a touch faster if you thrash it. 
More electronics though, so not quite as easy to fix. Never hear of many problems though.
All UK 80's should have lockers all round plus the cold weather pack. So twin batteries, 24 volt starting, radiator blind, twin heaters, heated seats, washers on the lights etc.
Jamie
More electronics though, so not quite as easy to fix. Never hear of many problems though.
All UK 80's should have lockers all round plus the cold weather pack. So twin batteries, 24 volt starting, radiator blind, twin heaters, heated seats, washers on the lights etc.
Jamie
to the OP: what kind of wheeling are you going to be doing? Are there many wheeling opportunities in the UK? If you're going to be going on the mainland/africa, etc, then by all means go the diesel. If you're going to be wheeling mostly the UK, I think you could safely consider the petrol. Of course, as others have stated, the mileage will be a lot better with the diesel, and the torque is better.
The real question is: what are you going to be doing with it.
There are no plugs, but the injectors do need to be serviced, and they aren't so cheap. oil changes are more frequent, and they are not to be skipped. pumps need to be rebuilt periodically, and they are costly.
pros and cons of both.
Having said that, I do love my diesel, and for the kind of trips I do, it works out much better than the gasser truck.
The real question is: what are you going to be doing with it.
There are no plugs, but the injectors do need to be serviced, and they aren't so cheap. oil changes are more frequent, and they are not to be skipped. pumps need to be rebuilt periodically, and they are costly.
pros and cons of both.
Having said that, I do love my diesel, and for the kind of trips I do, it works out much better than the gasser truck.
cold start on the direct-injection engines (1HD-T and 1HD-FT) is a non-issue. these trucks start in very cold weather, at the first touch of the key. they start much faster than the 1FZ-FE engine. No glowing needed (my glow plugs aren't even connected), I was in zero degree (F) weather a few months back. After being parked all night, the truck was idling like a pussy cat a half-second after I touched the starter key.
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- #57
I'd be using the cruiser for a mixture of "greenlaning", as it's called over here. Which is pretty much like running trails i guess, "pay and play days" which i guess you could equate to off road parks in the US and missioning to Europe and North Africa. There are a trips i'd like to do to Morocco, Norway and France (the GRM Crosier Blanche etc...).
YouTube - Croisiere Blanche 2010 - Crosier blanche 2010
To sum it up i'd like to build up a capable vehicle for playing and missioning.
YouTube - Croisiere Blanche 2010 - Crosier blanche 2010
To sum it up i'd like to build up a capable vehicle for playing and missioning.
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- #58
Cheers again for all the replies and insight. It's much appreciated.