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06-30-2004, 09:35 PM
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#1 |
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Senior Member
Join Date: Mar 2003
Location: St robert Mo
Posts: 2,001
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oil question
The previous owner was using 20w50 synthetic blend castrol I dont mind the blend or the castrol but 20w50 seems heavy should I change to like 10w40 or so?
I am afriad he ran the 20w50 becasue of a leak or something? Thanks for any thoughts
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1968 c10 lowered 3" 4" 355/Th400 built by Hatfield racing in joplin MO |
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06-30-2004, 10:09 PM
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#2 |
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Registered User
Join Date: Jun 2003
Location: Fort McMurray, Alberta, Canada
Posts: 513
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Not sure what you guys use down in the states but pretty much every one up hear uses 10w30 in the summer and 5w30 in the winter.
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Ben 1983 Silverado SWB 305 2002 Silverado Extended Cab 5.3 http://members.shaw.ca/bkennett |
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06-30-2004, 10:22 PM
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#3 |
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Registered User
Join Date: Oct 2002
Location: Phoenix, Arizona
Posts: 4,703
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I used to use 10W-40 all the time and decided to switch to 20W-50 because of the heat out here and some low pressure I was getting after highway driving. I noticed that the pressure doesnt drop as low after highway driving and the peak pressure is close to the same. As far as oil leaks, it leaked the same amount of oil
 , I didnt notice an increase or decrease.
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* AVOID: LOPER'S PERMORANCE / LOPERSPEED.COM OF PHOENIX, AZ & COTTMAN TRANSMISSION * Last edited by PHOENIX; 07-01-2004 at 11:39 AM. |
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