Thread: Power Upgrade

Ok, I've tried hard to keep my mouth shut WRT this ongoing discussion but now its time for me to have my say.

PhillipA. I am offended and annoyed at being called a Gross Polluter "Just remember you diesel guys that you are gross polluters when you do this." in a public forum. For all you know I may very well be running my TDi 300 on Bio Diesel.

My thread has been hi jacked. I find your comments WRT to what I've done ill informed, opinionated, narrow minded, and somewhat surprising coming from someone who I believe drives a 3.9l V8 petrol.

You would do well next time you post to temper your opinion as it's public expression may well effect your continued health and well being.

This is the first and last comment I will make

Thank you JustinC for your balanced input
Look I answered this thread a bit tongue in cheek, but a few people have flamed me without doing their homework( which I expected).
Yes I am an expert in Google. I had a job that required research on many topics and I can usually find what I need. There is some skill in it and a lot of hours.eg proving that the Kia had a Rover V6 ( in general chat) meant a lot of research and different combinations. Finally "Rover V6 Korea" found it .

I was trying to make a point. That the person making the statement about the USA could easily check the topic on Google before disputing what I say.
Ditto with the person saying there was no EGR on Disco300 Tdi.

But I ask the question, why upgrade the power when you are not going to use it?
Nobody with any mechanical knowledge would suggest a diesel with an altered pump would produce significantly more pollution while at cruise.

It is the going up the hill or even in undulating country towing a big caravan/trailer at full noise that the particulates would spew out. Or trying feebly to drag a petrol car from the lights, as I have had a TD5 try on me. Unless you live in perfectly flat country, never accelerate /more accurately with a Tdi gain speed noticably,you WILL generate more particulates with a modified diesel. Anyone living on the coast of NSW will generate much more pollution because it is hilly.
Can you honestly say that you do not use the extra power A LOT. Its just human nature.
Being a member of the discovery 4WD club, I have been behind many tdis on many tracks and roads, and every one standard or modified has blown a lot of black smoke (ie particulates) at some time. My wife has become ill on tracks when behind Tdis,and that is mainly idling and gently accelerating. Maybe its the way people drive them, but even in low range the following car gets a lungful on every start up.


There has been a lot of good old partisan support for diesels on this forum and its all good fun, but I have been a bit disturbed for a long time by the notion that it OK to pour more fuel in as long as the EGTs are less than critical, with no consideration of the consequences regarding emissions which directly relates to the lungs of the poor drivers following.

Regards Philip A

Hey Phil what years your petrol?

Hows the saying go people in glass house,s shouldnt throw stones

now a 2.5 4cycl diesel emissions compared to a 3.9 v8 petrol

and if you were worried so much about polution and emissions you wouldnt be driving a 2 tonne v8 petrol 4wd every day

Adrian, can I ask some more detail on what extent your "playing" went to ?
Did you do the stage 1 ( stop screw ) plus stage 2 ( diaphram/control cone ), or go to stage 3 ( fuel delivery screw ) ?

I am getting a free flow muffler put on next week and depending on the diffrence that makes, I may play with the stop screw adjustment. However I am not confident to go to stage 2 esp. as I do not have an EGT guage.

How much difference did you find just adjusting the stop screw without pulling the diaphram cover off made ?

Originally Posted by PhilipA

Thank you JustinC for your balanced input
Look I answered this thread a bit tongue in cheek, but a few people have flamed me without doing their homework( which I expected).
Yes I am an expert in Google. I had a job that required research on many topics and I can usually find what I need. There is some skill in it and a lot of hours.eg proving that the Kia had a Rover V6 ( in general chat) meant a lot of research and different combinations. Finally "Rover V6 Korea" found it .

I was trying to make a point. That the person making the statement about the USA could easily check the topic on Google before disputing what I say.
Ditto with the person saying there was no EGR on Disco300 Tdi.

But I ask the question, why upgrade the power when you are not going to use it?
Nobody with any mechanical knowledge would suggest a diesel with an altered pump would produce significantly more pollution while at cruise.

It is the going up the hill or even in undulating country towing a big caravan/trailer at full noise that the particulates would spew out. Or trying feebly to drag a petrol car from the lights, as I have had a TD5 try on me. Unless you live in perfectly flat country, never accelerate /more accurately with a Tdi gain speed noticably,you WILL generate more particulates with a modified diesel. Anyone living on the coast of NSW will generate much more pollution because it is hilly.
Can you honestly say that you do not use the extra power A LOT. Its just human nature.
Being a member of the discovery 4WD club, I have been behind many tdis on many tracks and roads, and every one standard or modified has blown a lot of black smoke (ie particulates) at some time. My wife has become ill on tracks when behind Tdis,and that is mainly idling and gently accelerating. Maybe its the way people drive them, but even in low range the following car gets a lungful on every start up.


There has been a lot of good old partisan support for diesels on this forum and its all good fun, but I have been a bit disturbed for a long time by the notion that it OK to pour more fuel in as long as the EGTs are less than critical, with no consideration of the consequences regarding emissions which directly relates to the lungs of the poor drivers following.

Regards Philip A

Are you for real, my wifes TD5 is chipped so when she tows her horse float it pulls up hills far better, it takes off from an intersection better and gets better economy!! In fact it blows less smoke during normal driving. I wont comment on what is coming out the pipe as I have not analysed it. Maybe you should do the same hey. Unless you are analysing peoples vehicle emmisions yourself, DONT COMMENT.

Justin

For the record...

A petrol vehicle running unleaded that is 3yrs or over 60,000kms is over polluting unless:

- Its tuned properly
- Has had its charcoal system replaced
- Has a new set of cats fitted

And I dont know many owners who voluntarily do 2 & 3 to keep compliance.

And according to government data, diesel creates more pollution (particulates) per litre, but petrols create more per 100kms travelled.

OK so some people dont like the smell and it makes them I'll... I dont like the smell of LPG, it doesnt mean its worse than the rotten egg factory from a petrols rear pipe.

(I can remember when STD fuel was dropped and unleaded appeared - Everyone hated the smell, now its 'normal'.
Even though unleaded is more carcinogenic than the leaded fuel it replaced)

oh well here goes..........


Dad has a Tdi AUTO.............i used to own this very vehicle,

It has had Injectors and pump repaced.........and 'Mildly tweaked by Ricks',

It has the usual ( and totally NORMAL ) Ball of black smoke on start up....as they all should, and under hard acceleration, initially it gets a quick burst of the same....

About 5 weeks ago, after fitting of upgraded intercooler, we had it on the DTS Dyno up at Toowoomba, to see how it was all cooking,(mainly to make sure all mixtures etc were aok).....the resulting AIR/FUEL ratios were absolutely spot on according to the Dyno, and pickup from the exhaust......even though it appears to have some smoke at times.

The operator of the workshop (Tony), commented that this was as good as it gets really, and also that most of the brand new patrols etc he gets in there were way out compared to the old 'Disco' in front of him. He could have charged more and faffed around trying various things to reduce smoke, but that would just be a fruitless exercise.

CONCLUSION: as long as its not Excessive, those 'TWEAKED' amongst us are no more 'polluters' than anyone else.

Enjoy your new power mate, Have a good trip.

I'm going to be away from the keyboard as of this afternoon as my good wife is giving birth this evening to 'our son'.

Cheers,

Pug.