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| RockAuto is a sponsor of Public TV's, MotorWeek | |||
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The amount of zinc and phosphorus in motor oil was reduced even further with the latest API "SN" standard. Is there still enough zinc and phosphorus to protect engines from excessive wear? How about older engines, newly rebuilt engines, or engines with flat tappets? Should car enthusiasts look for ancient bottles of motor oil at estate sales? MotorWeek's master technician Pat Goss provides the answers in this four minute video: http://www.youtube.com/user/RockAutoL ... re=mhum#p/u/6/xILCJc2o_L8
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Posted on: 2011/6/21 13:09
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| Matatk | Re: RockAuto is a sponsor of Public TV's, MotorWeek | ||
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Cool! I like that show
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Posted on: 2011/6/21 22:47
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2002 EBM convertible, Magnusson supercharger, cam, headers, etc. 1989 Corvette...RIP |
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| bogus | Re: RockAuto is a sponsor of Public TV's, MotorWeek | ||
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Grand Imperial Pooh-Bah
 
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Watch that video... it clears up this entire zinc problem that isn't a problem.
I like Motorweek, I just wish that John Davis didn't talk like a 2nd grade school teacher. |
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Posted on: 2011/6/22 6:38
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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| biggrizzly | Re: RockAuto is a sponsor of Public TV's, MotorWeek | ||
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2011 Memorial Day Car Show Winner!
 
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Quote:
Well... it does but in a very simplistic manner. Higher levels of zinc are still good for every engine, just that if your engine has higher mileage and is burning oil, the zinc/phos may do damage to your cats. Not scientific, but my engine builder says that if the engine is not burning oil and is running efficiently there should be now worry from higher levels of zinc/phos. Not sure if this is the best advice but I know he is adamant about higher levels of zinc. I know we have had this debate before but thought I'd throw a log on the fire. BTW -- I have been a guest of Pat Goss twice now! :tongue: |
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Posted on: 2011/6/22 11:22
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Don Haller Corvette Club of America 94Coupe, 383Stroka, PeteK Trans, 3000stall, 3.54rear, Konis and bigger sways. |
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| BillH | Re: RockAuto is a sponsor of Public TV's, MotorWeek | ||
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The Stig Moderator
 
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they have a big "Sponsered by RockAuto" note on their website, cool.
Hard to think that the show's been on for 31 years. Their first rosd test?? A Chevy Citation vs a Ford Fairmont    http://www.mpt.org/motorweek/silver/silver_davisrecall.shtml |
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Posted on: 2011/6/22 13:07
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Every man dies but not every man lives. |
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| bogus | Re: RockAuto is a sponsor of Public TV's, MotorWeek | ||
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Grand Imperial Pooh-Bah
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I have read about zinc until I was about blue in the face... and the common thread seems to be: * Newer, roller rocker engines, no problem. * Newer, OHC engines, no problem. * Older engines, with flat tappet, might be a problem, so add Zinc. From what I have gleaned, zinc helps with shearing forces, more than anything else. |
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Posted on: 2011/6/22 18:54
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The single biggest problem with communication is the illusion that it has taken place. - George Bernard Shaw Education is the best tool to overcome irrational fear. - me |
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