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11-16-2014
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#1 |
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Join Date: Aug 2014
Location: Montgomery TX
Posts: 263
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First Oil Change
Got me some NAPA Gold 1324 filters and was looking at oil.
Was looking at the Mobil 1 chart for zinc level and 0W-40 look like the winner in Zinc content. It's also only35$ per 5 qts, anybody out there think this is a bad decision? I'm in Houston TX...   <img style="display: none; position: absolute; top: 0px; left: 0px; width: 32px; height: 32px; z-index: 2147483647;" id="firefoxsddsinfoimg"><img style="display: none; position: absolute; top: 0px; left: 0px; width: 32px; height: 32px; z-index: 2147483647;" id="firefoxsddsarrowimg"><img style="display: none; position: absolute; top: 0px; left: 0px; width: 32px; height: 32px; z-index: 2147483647;" id="firefoxsddsinfoimg"><img style="display: none; position: absolute; top: 0px; left: 0px; width: 32px; height: 32px; z-index: 2147483647;" id="firefoxsddsarrowimg">
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1991 White ZRJuan #1616 Mileage: 56K Sept-14 -- 113k May-18!!! God Damn I Love This Car! |
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11-16-2014
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#2 |
 Join Date: Aug 2006
Location: McLean, VA
Posts: 3,723
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Re: First Oil Change
I'm not so sure about "0". I think the factory spec was 5-30. "High mileage" versions of Mobil 1 have high Zn and phosphate levels.
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11-16-2014
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#3 |
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Join Date: Sep 2006
Location: diamond lake /washington
Posts: 223
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Re: First Oil Change
I personally would never run a zero-forty oil in an Lt5/while you may feel it has more zinc,I do not believe it is the right weight for these older engines// try a 10/30 or 10/40 oil amzoil//or go with the amsoil Zrod in 10/30 or even 20/50 in hot weather/high performance applications///they are high zinc //give Corey a call at Hendersen performance
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11-16-2014
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#4 |
 Join Date: Aug 2014
Location: Kansas City, MO
Posts: 838
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Re: First Oil Change
Run the High Mileage Mobil 1. I use 10w-30 High Mileage. So far so good.
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Looking for a ZR-1 1985 Yamaha RZ350-NOT STOCK 1971 Yamaha AT1-Middle of a restoration |
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11-16-2014
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#5 |
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Join Date: Aug 2014
Location: Montgomery TX
Posts: 263
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Re: First Oil Change
Ok, looked at the chart and the High Mileage has all the zinc
 . Saw somewhere that the Extended Performance had the most Zinc (it's what plants crave). Need to scroll through the rest of the spec sheet next time!
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1991 White ZRJuan #1616 Mileage: 56K Sept-14 -- 113k May-18!!! God Damn I Love This Car! |
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11-17-2014
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#6 | |
 
Join Date: Apr 2007
Location: Lake Bluff, IL
Posts: 2,094
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Re: First Oil Change
Quote:
http://www.zr1specialist.com/HAT%20W...5%20Engine.pdf --Bob
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2016 Long Beach Red Z06 #10281 "POPS Z" 1995 Polo Green #409 "WARP TEN"--Haibeck 350/510 package, 4.10s, Hurst, Stock Exhaust with QTP Cutouts --Sold but still running strong 1993 Quasar Blue #161 "HIL KING" --Sold but still running strong, now with more than 120,000 miles 1967 Marlboro Maroon/Saddle Corvette Coupe 300 hp/4-spd --Sold a long time ago ZR-1 Net Registry Founding Member #95 NCM Lifetime Member Favorite Quote--Attributed to Mickey Thompson: "Too Much Horsepower is Almost Enough" |
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11-17-2014
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#7 |
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Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,708
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Re: First Oil Change
I use Castrol GTX Diesel 15W-40. Works great. Been using it with stock and re-ground cams for 3 years now.
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[SIGPIC][/SIGPIC]Former Membership Chairman Former ZR-1 Registry - BOD 1972 Corvette 4speed base Coupe SOLD long time ago 1984 Corvette Z-51/4+3 SOLD 1992 Corvette ZR-1 Aqua/Gray #474 SOLD 1992 Corvette ZR-1 Black Rose/Cognac #458 2014 Honda VFR Interceptor DX |
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11-17-2014
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#8 |
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Join Date: Feb 2011
Location: San Marcos CA
Posts: 1,802
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Re: First Oil Change
I mix 3 qts of the 10w-30 Z-Rod high additive oil with a 5qt jug of modern 10w-30 Mobil1. pretty much hits the ppm blend that was being sold in the 90's and saves a little since the cost of running pure z-rod amsoil is prohibitive. (and probably unnecessary to run that much additive).
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11-17-2014
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#9 |
  
Join Date: Aug 2009
Location: South Dakota/California
Posts: 3,797
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Re: First Oil Change
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11-17-2014
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#10 |
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Join Date: Feb 2011
Location: Vicksburg, MS
Posts: 135
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Re: First Oil Change
I've run mobile 1 high mileage 10w-30. No problems that I can tell. Marc says the high mileage 10w-30 has ample amounts of zinc. Back to running amsoil now.
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[B][U]1991 No. 519[/U][/B] |
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Hybrid Mode
