Quote:
Originally Posted by Bigfella666
Howdy John hope yoo good
My understanding has always been that for the 2.3T power unit we should all be using semi synthetic but always happy to read the views of others providing they are based on fact not delusion !!
And my sadly sold 850 T5 - 23 years of ownership 10/40 semi synth flew on it
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Hi, how are you doing.
In my 1998 C70 T5 from new, I used Mobil 1 full synthetic 0W/50 up to around 300K miles, then Mobil 1 10W/60 competition in deference to its mileage. It did 415K miles in total with no mechanical bother at all and excellent oil consumption (4K to 5K per litre at 400K miles!) Full synthetic oil was recommended by Volvo for the T5's even back then.
Volvo started recommending Castrol Edge full synthetic for all 5-Cyl applications including way back to 1992, I think about 15 years ago. That's what goes into my T5-R, 2008 C30 T5 and 2011 C70 T5. Again, all seems excellent. The T5-R has 174K on it and, although it's a bit early to tell, I've done nearly 2K since I got it and I haven't noticeably used any oil. I use the 10W/40 in all 3. The C30 has 92K and the C70 90K. Both use only about a litre of oil every 10K miles.
Regards
John