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08-07-2008, 05:24 PM
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#1 |
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Registered User
Join Date: Aug 2007
Location: Central Michigan
Posts: 42
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Synthetic Oils
Is it safe to use FULL Synthetic in my 1969 GMC? I don't see why it wouldn't be. . . I use it in everything else. I'm aklso thinking of going toa heavier weight like a 15-50. . Any advice or comments guys? Thanks
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08-07-2008, 05:53 PM
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#2 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Synthetic Oils
why go to a thicker oil? If your engine is in good shape, then a thick oil only puts more strain on your pump
Synthetic is great stuff, no reason not to use it. |
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08-07-2008, 06:22 PM
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#3 |
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Registered User
Join Date: Aug 2008
Location: MT and SD
Posts: 16
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Re: Synthetic Oils
Don't go with a thicker oil.. just use what the manufacture spec recommends, unless you live in a climate (desert) that its 90F+ when you drive.. even then it doesn't rly help.
Using that thick of oil wont hurt your engine though.. aprox. 80% of engine wear is from starting the engine anyways. Last edited by 68ChevyGuy; 08-07-2008 at 06:25 PM. |
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08-07-2008, 08:31 PM
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#4 |
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Registered User
Join Date: Aug 2006
Location: Bakersfield,CA
Posts: 7,893
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Re: Synthetic Oils
IMO synthetic oils arent worth the extra money to be stuck with it for only like 5hp
i run 20w50
__________________
-steven Alte Seele S.S. "Allison" '72 C/10 LWB 350SB/TH350 - DD PITBULL IS NOT A CRIME |
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08-07-2008, 09:02 PM
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#5 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Re: Synthetic Oils
you don't add synthetic for HP gains, you run it becouse it is better, and if it is properly tuned (not running rich) the extended drain intervals.
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