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Old 08-14-2006, 09:28 PM   #1
davsmitty
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Synthetic oils & engine magnets

OK, Ive got an '86 GMC half ton truck w/ a 305ci carberated v8, and I want it to last me another 5-10years with out having to rebuild the motor. Its got over 200K miles and still runs fine, at 60mph Im getting 15~18mpg. Will changing my oil type to synthetic blends make any difference as far as lasting longer? Also, would i benifit any now by using magnets in the oil filter and/or oil pan? Or is the damage already done?
If synthetic blends will make a difference, which brand is best for the money?

Thanks.
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Old 08-17-2006, 07:33 PM   #2
Autotech
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Using a Magnetic Oil pan drain plug is a great Idea. All new GM Trucks come with one from the factory.. Would be helpful and can cause no harm.

Change the Oil Religiously every 3,000 miles , I own a repair shop and service many vehicles with upwards of 250,000 and a few with upwards of 350,000

Using Synthetic will help on cold starting and if you leave it sit for periods of time. If you drive it every day..not much difference as far as longivity of the engine itself.
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Old 09-25-2006, 08:55 AM   #3
xylem
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avoid Fram?

avoid Fram why???
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Old 09-27-2006, 12:10 AM   #4
Wally
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I wouldn't be running synthetic on a 1986 engine with 200k miles on the clock.
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Old 09-27-2006, 09:08 AM   #5
xylem
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Wow

http://www.sadik.net/nissan/howto/oil_filter_study.html

Heres one site!

Man I have been running fram on my new 2.8 in my s10, wow I hope it's ok time
to run somthing eles!! Thanks for the heads up..
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