Hi all, hoping you can help with some advice about what is important in an oil for my two cars. I'd like to share the same oil if it isn't a compromise.
My daily-driver is a 2003 Volvo S60 with a non-turbo engine. The car is at ~140,000kms and seems to run well except for some moderate noise which is probably old age. The car is manual and revs quite a bit more than most, I am somewhat hard on it. Manual suggests 5w-30 or 10w-40 for my temperature range.
My other car is a custom built car with an SR20DET (S14) turbo engine, well worn w/ stock internals. It gets about 80% of its use on the track (very hot), with the rest gentle road driving for maintenance or to/from track. It has an air/oil cooler and if anything takes a bit too long to warm up - I am yet to measure oil temps however.
Temperatures here in Aus are never below 0, and most of the year is 25-35C.
Currently I am using Penrite HPR5 which is 5w-40 in both and claims 'full zinc'. http://www.penriteoil.com.au/pis_pdfs/7HPR 5 June 2013.pdf
I feel that I might need something a little better for the track use, perhaps a 10w-40 with the highest hths possible?
How does Delvac 1 ESP 5w-40 perform in this kind of environment? Is it really better with carbon than other oils? The SR20 turns oil black very quickly and will be retuned shortly - hopefully this will improve.
Mobil1 5w-50 was another thought but it might be too heavy for the daily duties?
My daily-driver is a 2003 Volvo S60 with a non-turbo engine. The car is at ~140,000kms and seems to run well except for some moderate noise which is probably old age. The car is manual and revs quite a bit more than most, I am somewhat hard on it. Manual suggests 5w-30 or 10w-40 for my temperature range.
My other car is a custom built car with an SR20DET (S14) turbo engine, well worn w/ stock internals. It gets about 80% of its use on the track (very hot), with the rest gentle road driving for maintenance or to/from track. It has an air/oil cooler and if anything takes a bit too long to warm up - I am yet to measure oil temps however.
Temperatures here in Aus are never below 0, and most of the year is 25-35C.
Currently I am using Penrite HPR5 which is 5w-40 in both and claims 'full zinc'. http://www.penriteoil.com.au/pis_pdfs/7HPR 5 June 2013.pdf
I feel that I might need something a little better for the track use, perhaps a 10w-40 with the highest hths possible?
How does Delvac 1 ESP 5w-40 perform in this kind of environment? Is it really better with carbon than other oils? The SR20 turns oil black very quickly and will be retuned shortly - hopefully this will improve.
Mobil1 5w-50 was another thought but it might be too heavy for the daily duties?
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