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02-16-2007, 02:42 PM
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#1 |
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Registered User
Join Date: Feb 2007
Location: los angeles
Posts: 202
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20 50 synthetic oil
I just picked up some royal purple sythetic oil the other day for an oil change. I started thinking. Is 20 50 weight too heavy?
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02-16-2007, 03:01 PM
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#2 |
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Wishin' I had more money!
Join Date: Feb 2007
Location: Eugene, OR
Posts: 1,242
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Re: 20 50 synthetic oil
Being in LA, no. It will get hot enough there. I always used 20-50 in my old truck. Worked just fine.
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02-16-2007, 07:56 PM
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#3 |
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You want it there when???
Join Date: Oct 2006
Location: Lewisburg Ky
Posts: 393
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Re: 20 50 synthetic oil
I use 20w50 Castrol oil in my 86 Silverado and all my vechicles it is the only way to go
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02-16-2007, 08:18 PM
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#4 |
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Right turn Clyde
Join Date: Nov 2002
Location: Cincinnati, Ohio
Posts: 2,911
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Re: 20 50 synthetic oil
If your engines clearance are loose or lots of mileage it is not as bad. It will make your oil pressure raise up a little bit due to it being thick. I used to run 20/50 but not anymore and that was on a new engine. I now run delo400 15/40 or castrol 10/40 -10/30 depending on the temp. I really like the delo 400 though keeps everything pretty clean.
__________________
1974 C25 LWB: 454 4bbl Carb / TH400 / 3.73 1992 Camaro RS 305 TBI |
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02-16-2007, 08:29 PM
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#5 |
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Senior Member
Join Date: May 2003
Location: ne florida
Posts: 2,665
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Re: 20 50 synthetic oil
i run 20/50 with a quart of lucas in my 90[4.3].it gives good pressure and seems to work fine in my truck.but then again mine has 317,000 on the clock.but i've also replaced the pump and sending unit.i bought a 70 with a rod knocking in it,put in 3 quarts of 20/50 two quarts of lucas and it shut up.drove it like that for quite a few yrs.i don't see nothing wrong with running 20/50 in your engine.
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