Whaddya think of this one?

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I see Penrite have a 40W70 (Penrite HPR 50). VI 116, Flash 206C, Viscosity at 40C 409, at 100C 32.9, Cold Cranking Viscosity, cP at -5C 10,650. How will the 0/5W30 lovers get their heads around this one??
 
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I used that goop in an LJ with a worked 186 at one stage. Oil pressure took days to come up at 6:00AM in Canberra's winter. But once it was up, it was pegged at the right end of the scale. Dropped it real quick, and went back to my standard (for those days) XLD and STP mix (STP are also selling a 35W-70 I believe). Hell, I don't ever see myself running 20W-50 again, let alone stuff that thick. [ December 28, 2002, 02:41 AM: Message edited by: Shannow ]
 

Patman

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quote:
Originally posted by sprintman: I see Penrite have a 40W70 (Penrite HPR 50). VI 116, Flash 206C, Viscosity at 40C 409, at 100C 32.9, Cold Cranking Viscosity, cP at -5C 10,650. How will the 0/5W30 lovers get their heads around this one??
Looks like a good oil to use...in the differential! [Big Grin]
 
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That would be equal to a gear oil with a viscosity of ISO 460 or SAE 140; too viscous for many differentials. Ken [ December 28, 2002, 10:50 AM: Message edited by: Ken2 ]
 

Patman

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I realize that Ken, I was just being funny! [Smile] I can't imagine how hard that thick oil would be to pump even on a moderately cold day (like 32F)
 
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20w60 is thickest stuff I've seen for non-race engines. It's marketed for Hardley's so I imagine those HD's can run some pretty high oil temps.
 
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