I've done some searching, both here and the Internet at large.
I've read:
a) US EDGE is not the same as Euro EDGE. Presumably Canada EDGE = US EDGE but I don't know for sure.
b) GC may be Euro EDGE 0W30
c) US/Canada was only getting EDGE in 5W30 and 10W30
d) technical data is hard to come by, but I found a PDS for Euro EDGE 0W40 showing ~80/13.5 cSt 40C/100C. I have not found a list of approvals, ACEA levels etc... from Castrol US or Canada.
My application is BMW - a selection of M52, M52TU, M62 and M62TU engines I perform or recommend maintenance on (only the M52 is actually mine). I need ACEA A3 in a 30 or 40.
My current syn of choice is GC. I like 40 weights in this engine and have run 15W40 in summer but always come back to GC either for the winter or year-round depending on the circumstances. I've debated forgoing some extreme cold protection and using a 5W40. I've also used M1 0W40 extensively but it a) makes my engine really noisy and b) shears to a 30 in a couple thousand kms so what's the point?
The fact that Euro EDGE and US EDGE are possibly completely different makes researching VOA/UOA data difficult. It also makes believing any PDS you find difficult, since general users and non-technical marketing people screw up PDS sheets all the time. Is there any truth in the claims of completely different formulas?
Price aside, how does US/Canada EDGE compare with GC? I'm not interested at this time in runtime beyond 10,000km so long drain isn't my primary focus.
EDGE doesn't look cheap, and I've been thinking about trying Redline just for fun. I think Redline may end up less expensive per quart than Edge here in Canada so does it make sense to even look at Edge?
I've read:
a) US EDGE is not the same as Euro EDGE. Presumably Canada EDGE = US EDGE but I don't know for sure.
b) GC may be Euro EDGE 0W30
c) US/Canada was only getting EDGE in 5W30 and 10W30
d) technical data is hard to come by, but I found a PDS for Euro EDGE 0W40 showing ~80/13.5 cSt 40C/100C. I have not found a list of approvals, ACEA levels etc... from Castrol US or Canada.
My application is BMW - a selection of M52, M52TU, M62 and M62TU engines I perform or recommend maintenance on (only the M52 is actually mine). I need ACEA A3 in a 30 or 40.
My current syn of choice is GC. I like 40 weights in this engine and have run 15W40 in summer but always come back to GC either for the winter or year-round depending on the circumstances. I've debated forgoing some extreme cold protection and using a 5W40. I've also used M1 0W40 extensively but it a) makes my engine really noisy and b) shears to a 30 in a couple thousand kms so what's the point?
The fact that Euro EDGE and US EDGE are possibly completely different makes researching VOA/UOA data difficult. It also makes believing any PDS you find difficult, since general users and non-technical marketing people screw up PDS sheets all the time. Is there any truth in the claims of completely different formulas?
Price aside, how does US/Canada EDGE compare with GC? I'm not interested at this time in runtime beyond 10,000km so long drain isn't my primary focus.
EDGE doesn't look cheap, and I've been thinking about trying Redline just for fun. I think Redline may end up less expensive per quart than Edge here in Canada so does it make sense to even look at Edge?
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