Engine Treatment Fluids

Submitted: Monday, May 12, 2008 at 20:08
ThreadID: 57542 Views:1936 Replies:4 FollowUps:3
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Has anyone ever tried the Diesel engine Flushing Oil Concentrate or any of the products from Cost Effective Maintenance. You know the mob who advertise in all the 4wd mags, $120 SAVES $8000 DIESEL REBUILD. They quote they commonly see 3 litres of sludge or more removed from Cruisers and Patrols. Have always thought about giving it a go but wanna know if it would do more harm then good first.
Done 300,000 with my 1HZ still going strong as always just would be nice to give it a flush out.

Any thoughts?

Website is www.costeffective.com.au
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Reply By: Member - David P (VIC) - Monday, May 12, 2008 at 20:31

Monday, May 12, 2008 at 20:31
Good Q, in the old days that would lead to a big increase in oil consumption/leaks.....these days ??....silverback
AnswerID: 303478

Follow Up By: madfisher - Monday, May 12, 2008 at 21:33

Monday, May 12, 2008 at 21:33
Gummed up rings do not allow the correct tension on the bore, and can break with time.
Cheers Pete
FollowupID: 569609

Follow Up By: Member - David P (VIC) - Monday, May 12, 2008 at 21:46

Monday, May 12, 2008 at 21:46
I noticed many years ago that if the vehicle is on a hoist, it being level and the plug being on the side of the sump that you could drain the engine and not get the last of the oil out. So I always jack or ramp my vehicle on such an angle that I get all the old oil out even using a U shaped tube with extension to siphon the very last out. Dealerships are not that fussed, its not their vehicle...cheers...silverback
FollowupID: 569611

Reply By: Member - Ian H (NSW) - Monday, May 12, 2008 at 20:39

Monday, May 12, 2008 at 20:39
Hi Tukka,
I use it on our 1HZ and reccommend it. It removes the black soot and when you put new oil in the stuff stays cleanish for several thousand ks when normally it goes black immediately from the soot left behind after the oil is drained.
Yep, it works but you will hear negative comments from some who haven't used it.
Good luck. How about posting your opinion after you try it.
AnswerID: 303479

Follow Up By: tukka - Monday, May 12, 2008 at 20:56

Monday, May 12, 2008 at 20:56
Excellent, i am pretty sure my boss used the same stuff on his 60 series now i think about it. That is still going strong and has been through two young rev heads since then. Did it reduce the amount of smoke or improve any other things, i will definitely give it a go, just for curiosity sakes. Always wanted to try it.
FollowupID: 569599

Reply By: Willem - Monday, May 12, 2008 at 20:46

Monday, May 12, 2008 at 20:46
Yep, a number of forumites have stated that they have used it.

I flushed the GQ engine out at 280,000km and got about 2 litres of sludge out of it. The engine has run sweetly ever since though there was nothing noticeably wrong before. Now has 356,000 on the clock.

It all good!

AnswerID: 303480

Reply By: Member - Alastair D (NSW) - Tuesday, May 13, 2008 at 07:12

Tuesday, May 13, 2008 at 07:12
I used it on a 1Hz in a troopy I recently bought with 300k on the clock. The oil coming out was certainly quite thick but would not call it sludge. The fresh engine oil is still quite clean after ~1000km and is running well.

I will not use it regularly but wanted to draw a line in the sand so I get a sense of how well it is running now it is just run in !

If I knew that the vehicle had always had regular oil changes may not have done it but I only had the history for the last 100k.

AnswerID: 303523

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