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  • Member
  • Member For: 22y 3m 6d
  • Gender: Male

That was an excellent oil test in the Street Late model camira magazine. I cant wait till the next test.

It seems from the responses you have gotten, most dont realise the importance and value of that magazines oil test.

I used to use Mobile 1 but changed to Penrite Synthetic based on the test results.

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  • Member
  • Member For: 19y 4m 18d

had my BA T serviced recently and the Ford service manager mentioned that they are recommending against using synthetic oils for the T. Apparently the synthetic oils reach their thin state much quicker than the mineral oil to which the T is calibrated. They also suggested against using an oil with a viscosity less than 10. The computer mis-interprets the thin stage as a drop in oil pressure and can de-tune the engine in response, to protect it. Don't know if anybody else has heard the same.....

  • Member
  • Member For: 20y 6m 9d
had my BA T serviced recently and the Ford service manager mentioned that they are recommending against using synthetic oils for the T. Apparently the synthetic oils reach their thin state much quicker than the mineral oil to which the T is calibrated. They also suggested against using an oil with a viscosity less than 10. The computer mis-interprets the thin stage as a drop in oil pressure and can de-tune the engine in response, to protect it. Don't know if anybody else has heard the same.....

What does he mean by "thin state"??? A synthetic oil is thinner when its cold, which is a Good Thing, and thicker when its hot, which is a Very Good Thing for turbos especially.

Had a synthetic 5W-40 in my NA XR6 for the last 10,000 ks - engine sounds much quieter when starting from cold, and is also quieter when hot. Plus the oil level has hardly dropped - it used to use 1+ litres per 10,000 ks.

  • Crusty aviator
  • Member
  • Member For: 21y 18d
  • Gender: Male
  • Location: ACT

Had previously used Penrite Syn (SIN) 5 but went back to Mobil 1 as I founf the Perite appeared to discolour very quickly which does not appear to be a factor with the Mobil. Not really sure any of the decent oils make much of a difference anyway.

Dingah

I use the Elf Excellium GP 5W-40 and still have 7L of the stuff so the next change will be the same again however I looking at changing to Royal Purple 10W-40. I hear very good things about the Royal Purple 10W-40 so I'll give it a go. :spit:

Anyone use that Red Line Oil CAPA seem to push?

  • Tractor Driver
  • Member
  • Member For: 19y 4m 27d
  • Gender: Male
  • Location: Sydney

Since I have a Shell card (lease car) I'll be changing my oil to Helix Super at 7500km and I'll definately be requesting fully synthetic at the planned services (15000km etc)

To tell the truth, I'd rather not use Shell oils (used Fuchs in my last car), but since it's "free"......

  • Member
  • Member For: 22y 6m 6d
had my BA T serviced recently and the Ford service manager mentioned that they are recommending against using synthetic oils for the T. Apparently the synthetic oils reach their thin state much quicker than the mineral oil to which the T is calibrated. They also suggested against using an oil with a viscosity less than 10. The computer mis-interprets the thin stage as a drop in oil pressure and can de-tune the engine in response, to protect it. Don't know if anybody else has heard the same.....

This sounds like a lot of BS.

So far I have heard that...

(a) Using synthetic oil (5W40) is good for the turbo as the oil gets there quick on startup (ie cold starts)

(b) Using synthetic oil is bad as the oil leaks past the turbo, causing the engine to burn oil? Info from others using 5W40 seems to indicate that this is BS

© Using synthetic oil is the best to use because of it superior ability to lubricate and not break down to the degree that non synthetics do.

(d) oil manufacturers don't seem to recommend a 5W40 for use within the XR6T. (ie BP recommend Visco 3000 instead). That only leaves the non or part synthetic oils

(e) Independent tests within the USA recomment a synthetic. Wear tests confirm this. That's why I was looking at the BP Visco 5000 as this seems to outperform others including Mobile1 in the wear tests.

(f) Logic says that synthetic oil would be better???

(g) The car warranty could be void if I use a 5W40 oil. I can't see how as it still meets the manufacturer's SF, API, etc oil standards!

So do I stick with the El'crapo part synthetic Magnetic (15W40) that the Ford dealer uses, or do I use full synthetic Visco5000 (5W40)??

Is there anyone out there who is an expert on this subject and can offer advice backed up with facts???

  • Member
  • Member For: 22y 3m 6d
  • Gender: Male

You can only laugh at some of the responses you get from Sevice department personel. Some know their sh*t but most have never opened up an engine/gearbox/diff. Dont take them too seriously.

had my BA T serviced recently and the Ford service manager mentioned that they are recommending against using synthetic oils for the T. Apparently the synthetic oils reach their thin state much quicker than the mineral oil to which the T is calibrated. They also suggested against using an oil with a viscosity less than 10. The computer mis-interprets the thin stage as a drop in oil pressure and can de-tune the engine in response, to protect it. Don't know if anybody else has heard the same.....

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