End of Diesel cars is Nigh?

[Buller_Scott]

in all honesty, it really feels like my pog uses way more fuel when im flooring it in ''track'' map.

i dont mind it at all, but if you're asking me to be truthful.... i reckon i'd easily be approaching ~8L / 100km's when fanging it in the hills.

[kaanage]

While actually fanging, yes. But overall, I doubt it.
On our 9N3 cruise, late last year, where I followed you up the Reefton, I averaged 4.9l / 100km for the whole cruise.

[Buller_Scott]

when you're driving for fuel economy, in smooth flowing traffic, what gear would you be in whilst doing 65km/h say? 5th will do it, but is that unhealthy for the engine / lugging it?

[kaanage]

Since our 1.9 PD engines don't have a DPF, we can be a bit more aggressive in terms of pushing fuel economy with low rpm. The big caveat is that you don't want to damage the dual mass flywheel by lugging so you end up doing more gear shifts when gunning for mileage.

As 65 km/h with smooth traffic flow, I'll run in 5th gear no problems, unless there is a hill that is more than just a slight grade. Basically, if you can feel the engine labouring at all, then downshift but otherwise, go for broke. On a flat or downhill stretch where I'm not needing to accelerate due to traffic ahead, I'll shift into 5th at 50 km/h which is 1000rpm and only use a tiny amount of accelerator to maintain speed or creep it up very slowly if it is downhill. Any time you need to accelerate or go up hill, downshift, then shift up again as soon as the loading passes.

Another key is to downshift like a demon, almost to standstill when approaching red lights or stopped traffic as the diesel doesn't use any fuel on the overrun. It saves the brakes too. And if the lights change, then you can shift up so you aren't revving hard as you accelerate off (feels funny gearing up when you want to accelerate but it works).

Also if you can see that an upcoming hill isn't too long, you can drop a few km/h progressively as you climb and that can greatly reduce the fuel consumption vs stubbornly maintaining your speed (you can compensate by speeding up a few km/h as you approach the base of the hill).

Finally, you need to read the traffic patterns so that you keep the car moving, which can require that you ease off well before the red light so that it changes back to green before you reach it so that you avoid a standing start. Or you may see a light turn green up ahead with a line of stopped and slowing cars in front of you so again, you ease off so that you never have to stop.

It all sounds like hard work so most people won't bother but I find it a challenge and a way to keep from getting bored in traffic. And you get to practise the proper way to downshift

[Buller_Scott]

It all sounds like hard work so most people won't bother but I find it a challenge and a way to keep from getting bored in traffic. And you get to practise the proper way to downshift

cheers for the feedback, greg. i always change down when approaching a hill, so that revs are at least 1800rpm-2000rpm for the journey up the hill, but otherwise it's comforting to know that im not working the engine too hard to be cruising around town at 1300/1400rpm, like i've been doing a lot lately.

and i agree. i always used to keep things @ at least 2000rpm. the last few months, however, i've actually really been enjoying the game / challenge of trying to make a quarter of a tank of fuel last as long as possible (i dont calculate my economy, more "let's see if i can make this quarter tank last 'till the weekend").

i love how it pays you back with tangible rewards, too... (the blatantly abusive cloud of soot that other motorists just cant help asking for, every now and then).

[kaanage]

i love how it pays you back with tangible rewards, too... (the blatantly abusive cloud of soot that other motorists just cant help asking for, every now and then).

Oh yeah - I forgot about that one.
Yep, save all that soot in the turbo and exhaust for when it's needed!!

(like for the diçkhead illegally parked while loading stuff into his car, causing a chokepoint - the big black cloud I left after squeezing past was most gratifying)

[Preen59]

You guys will see greatly reduced soot when using 2 stroke oil...

Gee, what a surprise the boss of a company that has just released a hybrid car that has a far worse total life cycle environmental cost than most diesels is saying diesel is dead.
Let me get back to you on whether I believe him.

This quote really says it all. Total life cycle to produce a hybrid with their VERY enviromentally damaging batteries (both to produce and dispose of when they're shot) is way worse than any Diesel, or even decently fuel efficient petrol car on the environment.

People who buy hybrids are either sheep, idiots or do gooders that want to look good infront of all the sheep and idiots.


On thr trip down to Drysdale with the Caddy, fully loaded up, towing a CAR TRAILER with the Mk1 on the back.. I got 7.6l/100km average for the trip.. Sitting on an easy 110 on the Hume.

I'd like to see ANY hybrid match that.

[kaanage]

You guys will see greatly reduced soot when using 2 stroke oil...

Already am (current tank Castrol TTS @ 200:1, prev tank Motul 800 same ratio)
Soot hasn't changed for off boost driving AFAICT. I still get a BIG dump when I 1st get it hard on boost after accumulating from off boost puttering about.

The dyno runs tomorrow will show if it soots more/less/same when on boost as the previous dyno session (when I sooted out the workshop) was before I started running 2 stroke as an additive as I'll give it some hammer on the way there to clear out the system.

Totally agree with the lifecycle and owner comments re hybrids.

BTW did you look at the Orbital injector link that I PM'd to you?

[Preen59]

That's interesting. I noticed a decent difference. The Caddy didn't soot all that much at all when I had it on the Dyno.

I did read the orbital link... Sorry I forgot to reply. Very interesting.

[kaanage]

I'm probably off boost for 95% of my driving - I'm guessing your Caddy is usually more heavily loaded so you'd be running on boost far more. Very impressive figures with the towing, though

The map that I'm running ain't stock (and neither is Scotty's) hence the dyno cloud.

As for Orbital, there is so much potential there it's sad that it hasn't been taken up for more application
The stupid FIM and FIA regs don't help

[Preen59]

I'm probably off boost for 95% of my driving - I'm guessing your Caddy is usually more heavily loaded so you'd be running on boost far more. Very impressive figures with the towing, though

The map that I'm running ain't stock (and neither is Scotty's) hence the dyno cloud.

As for Orbital, there is so much potential there it's sad that it hasn't been taken up for more application
The stupid FIM and FIA regs don't help

I'm just running a TDI (Turbo Diesel International) piggyback. Can't justify software at the moment, really. Next thing will be a free flowing exhaust to get the heat away from the turbo...

Yes, FIM and FIA hamstring themselves sometimes.


This it getting waaaaaaay off topic.

[kaanage]

Check SuperChips and Viezu - their remaps are very affordable and Viezu, which Scotty and I run, has the option of being switchable (sadly SuperChips don't have a Bluefin option for the 1.9 PD).

Going more OT, back in the 80's, a club that I was a member of had windcheaters with the following printed on the back
FISA + FOCA = FIASCO

[Buller_Scott]

2 stroke for lubricity? what kind of ratio / amount per tank?

and that towing economy should be plastered all over the hybrid forums, preenie.


at work, i once had a guy and a girl tell me, very very matter of factly, that i should watch things in the polo, because diesels might seem okay for a couple of years, but after three years or so become very fuel inefficient.... fuel economy plummets and CO2 emissions skyrocket. he drove a grey import japanese car (quite frankly, ufcking boring - the whole "im driving someone else's sloppy thirds from japan that cant even sell over there because it's been hacked to death already but im gonna drive around looking like im the isht" thing), and she drove an early 2000's magna.

yet they both knew what they were talking about.

everyone associates hybrids with "eco friendly", but why not VAG group tdis, which ARE eco friendly?

[kaanage]

Diesels are dirty/smelly/yucky so must be environmental disasters.
Greenies aren't mathematically literate.

As for 2 stroke, I'm running the "standard" recommendation - 200:1

See http://www.vwwatercooled.org.au/f28/...ing-55494.html for the fun and games here and there's a link to the original source of info in there (where you'll find I got involved recently too).

[Buller_Scott]

Diesels are dirty/smelly/yucky so must be environmental disasters.
Greenies aren't mathematically literate.

As for 2 stroke, I'm running the "standard" recommendation - 200:1

See http://www.vwwatercooled.org.au/f28/...ing-55494.html for the fun and games here and there's a link to the original source of info in there (where you'll find I got involved recently too).

cheers.

have 2 stroke oil. will put in tonight.