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Diesel fuel additives

General Tech Talk

Moderators: toaddog, TWISTY, V8Patrol, Moderators

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Diesel fuel additives

Post by mabsydney »

I've been running Nulon injector cleaner every other tank full for a while. I recently tried the Wyns additive too but it works out a lot more expensive if you follow the manufacturers instructions.

I had a look in Supercheap and they had

Chemtech
Nulon
Wyns
Blue Coral
STP

They all make differing and no doubt somewhat exagerated claims about improving everything from economy to power, bla bla bla.

Would be interested to hear what other people are running and if you think it works.

Cheers,

Martin
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Post by RoldIT »

I run Chemtech Diesel Power mainly for it's algecide but if any of their other claims work then that's just a bonus.

As far as the "power" claims, probably works no better than a hiclone. For $30 a bottle it lasts for ages so pretty cheap at twice the price.
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Post by mabsydney »

Interesting Kris, yeah the chem tech is cheapest of all of them as it treats something like 1000L with a 250ml bottle.
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Post by RoldIT »

mabsydney wrote:Interesting Kris, yeah the chem tech is cheapest of all of them as it treats something like 1000L with a 250ml bottle.
Yeah that's about right. I bought a 1l for under $30 and vagely recall it treats 4000lt. I've had it for over a year and think it's only about half empty. I don't treat every tank but usually every 2nd or so (when I remember). I orginally bought it because of fears of low quality and low sulfar Aus deisel. I also recall it's "supposed" to help lubricate injector pumps when using low sulfar diesel, ie saving seals, etc.

For $30, even if it's a total crock of snake oil, it's worth a try.

So far, have no problems to report.
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Post by runnin4life »

yer my old man uses it every tank and recons when he started using it he noticed a diffrence in fuel economy on average and extra 50-100km's (thats the main and sub)

maybe more im not sure and the mechanic recon its going perfectly for 300,000 km's up on the motor although being a diesel it should go for another 200,000km's

thats my 2c

oops he is using that deisel power stuff in the electric blue bottle

cheers
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Post by dogbreath_48 »

When my 2H started to get a bit sluggish and rough upon starting i put through two bottles of injector cleaner.

I think it helped....maybe :roll: Though a blast down the highway now and again still has more effect on peformance than anything else.
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Post by pongo »

the best thing i eva done for my Mk turbo (370 k )was to pull my jag from wagga to sydney. I rekon it almost doubled the Hp . My cousins gq dieseil couldnt keep up on the return trip and i was towing a car trailer with a 6x4 on top and he was bobtail.

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Post by bogged »

Ive run the Nulon shit before, when I first ran it when I first got the truck, black crap was pouring out of the car for about 2 days.. then it was fine. Weather that was cleaning the system or not NFI.

Have heard of many using the chemtech without any issues..
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Post by thomo.in.a.gq »

bogged wrote:Ive run the Nulon shit before, when I first ran it when I first got the truck, black crap was pouring out of the car for about 2 days.. then it was fine. Weather that was cleaning the system or not NFI.

Have heard of many using the chemtech without any issues..
Got a bottle of nulons at the moment. 1st time in the tank and tank now about half full. About 80ks up on normal :D Will let you know the diff with a full tank.
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Post by toaddog »

I have heard stories of throwing a bottle of brake fluid into the tank.
Any one care to comment?
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Post by mabsydney »

toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
Any one care to comment?
Yeah, you try it and let us know ;)
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Post by mabsydney »

thomo.in.a.gq wrote:
bogged wrote:Ive run the Nulon shit before, when I first ran it when I first got the truck, black crap was pouring out of the car for about 2 days.. then it was fine. Weather that was cleaning the system or not NFI.

Have heard of many using the chemtech without any issues..
Got a bottle of nulons at the moment. 1st time in the tank and tank now about half full. About 80ks up on normal :D Will let you know the diff with a full tank.
Sorry, but that's BS..............I'm running Nulon cos I believe/hope it does some good, but no way it improves your fuel economy that much, even if your talking a long range 180L tank and I dunno if you are.........
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Post by toaddog »

Tried it today but the bottle wont go into the tank filler
:finger:
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Post by slosh »

Not quite the same thing, but I tried the CEM stuff that's supposed to clean out the carbon deposits in diesel engines. Had excavator that was puffing out heaps of white smoke and no power, a bottle of the CEM (put in oil and fuel tank) and now it hauls like new. At $120 it's not cheap tho.
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Post by bogged »

toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
the bottle may block the fuel pickup.
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Post by mkpatrol »

toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
Any one care to comment?
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Post by HotFourOk »

bogged wrote:
toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
the bottle may block the fuel pickup.
smartass :lol:
thomo.in.a.gq wrote:
bogged wrote:
Ive run the Nulon shit before, when I first ran it when I first got the truck, black crap was pouring out of the car for about 2 days.. then it was fine. Weather that was cleaning the system or not NFI.

Have heard of many using the chemtech without any issues..


Got a bottle of nulons at the moment. 1st time in the tank and tank now about half full. About 80ks up on normal Will let you know the diff with a full tank.

Sorry, but that's BS..............I'm running Nulon cos I believe/hope it does some good, but no way it improves your fuel economy that much, even if your talking a long range 180L tank and I dunno if you are.........
The first application may yield very good results if the motor and fuel system has lots and lots of deposits and buildups and years of crap.
Although, the next tank will not be near as an improvement as the first. Its that initial cleanout that makes a good difference.
I have ran Wynns Diesel Fuel Treatment and also Caltex Techron 5000 and it also blew smoke the first time... now you wouldnt know its a diesel :lol: and power has increased :armsup:
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Post by thomo.in.a.gq »

HotFourOk wrote:
bogged wrote:
toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
the bottle may block the fuel pickup.
smartass :lol:
thomo.in.a.gq wrote:
bogged wrote:
Ive run the Nulon shit before, when I first ran it when I first got the truck, black crap was pouring out of the car for about 2 days.. then it was fine. Weather that was cleaning the system or not NFI.

Have heard of many using the chemtech without any issues..


Got a bottle of nulons at the moment. 1st time in the tank and tank now about half full. About 80ks up on normal Will let you know the diff with a full tank.

Sorry, but that's BS..............I'm running Nulon cos I believe/hope it does some good, but no way it improves your fuel economy that much, even if your talking a long range 180L tank and I dunno if you are.........
The first application may yield very good results if the motor and fuel system has lots and lots of deposits and buildups and years of crap.
Although, the next tank will not be near as an improvement as the first. Its that initial cleanout that makes a good difference.
I have ran Wynns Diesel Fuel Treatment and also Caltex Techron 5000 and it also blew smoke the first time... now you wouldnt know its a diesel :lol: and power has increased :armsup:
taking off at the lights I am blowing a fair bit more smoke than normal. Changed the fuel filter at the same time, and it was full of crap......
As for economy, I would get about 570 - 580k's out of 80L, on this tank, I have had a day at Mt Dissapointment running 34's as opposed to 32's, and a fair bit of city driving, and have done close on 400k off about 50L. That leaves me with 30L to get the last 200K........

BS, I think not, but maybe I just had shit economy to start off with ;)
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Post by mabsydney »

thomo.in.a.gq wrote:
HotFourOk wrote:
bogged wrote:
toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
the bottle may block the fuel pickup.
smartass :lol:
thomo.in.a.gq wrote:
bogged wrote:
Ive run the Nulon shit before, when I first ran it when I first got the truck, black crap was pouring out of the car for about 2 days.. then it was fine. Weather that was cleaning the system or not NFI.

Have heard of many using the chemtech without any issues..


Got a bottle of nulons at the moment. 1st time in the tank and tank now about half full. About 80ks up on normal Will let you know the diff with a full tank.

Sorry, but that's BS..............I'm running Nulon cos I believe/hope it does some good, but no way it improves your fuel economy that much, even if your talking a long range 180L tank and I dunno if you are.........
The first application may yield very good results if the motor and fuel system has lots and lots of deposits and buildups and years of crap.
Although, the next tank will not be near as an improvement as the first. Its that initial cleanout that makes a good difference.
I have ran Wynns Diesel Fuel Treatment and also Caltex Techron 5000 and it also blew smoke the first time... now you wouldnt know its a diesel :lol: and power has increased :armsup:
taking off at the lights I am blowing a fair bit more smoke than normal. Changed the fuel filter at the same time, and it was full of crap......
As for economy, I would get about 570 - 580k's out of 80L, on this tank, I have had a day at Mt Dissapointment running 34's as opposed to 32's, and a fair bit of city driving, and have done close on 400k off about 50L. That leaves me with 30L to get the last 200K........

BS, I think not, but maybe I just had shit economy to start off with ;)
Yeah I reckon your economy was farked to start with. I get nearly 400ks out of 50L normal city driving, so that sounds about right.
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Post by kirragc »

I blame John Howard for the bad economy.

...............if my GQ :D
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Post by Dodger »

I use Proma every time I do a long trip and it seems to keep the fuel system healthy.
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Post by Spartacus »

toaddog wrote:I have heard stories of throwing a bottle of brake fluid into the tank.
Any one care to comment?
its power steering/automatic fluid. and only 1/4 bottle
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Post by CAP51Z »

i was havin stalling issues on a recent trip. i have since started using Diesel Power (blue bottle/chemtech?) again (car was off the road a while & forgot about it) & its runnin much smoother & doesnt stall anymore. Does also seem to have slightly more power, but nothing dramatic.

Also the "fuel injection specialist" who did my injectors said he doesnt recommend using any fuel additives, as they void manufacturers warranty ( if applicable). That said, he knows plenty of ppl who use them & are happy with the results.
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