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01-15-2013, 12:24 AM
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#1 |
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Registered User
Join Date: Jun 2011
Location: Santa Barbara, CA
Posts: 33
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Best Oil
I've heard different things from different people so I wanted to see if there was a consensus on what weight oil to use on a 1968 C20 396 engine? Everything runs great with no leaks.
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01-15-2013, 12:25 AM
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#2 |
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Senior Member
 
Join Date: Oct 2009
Location: Godley, TX
Posts: 17,998
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Re: Best Oil
I'd personally run Valvoline 10W30 or 10W40 all day long. But that's just me. Some folks are synthetic converts, but I'm not exactly there yet...
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01-15-2013, 12:32 AM
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#3 |
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Registered User
Join Date: Jul 2010
Location: MD
Posts: 1,937
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Re: Best Oil
10w40 or Straight 30wt.
__________________
1969 c-10 Step Side Long Bed. I-6 250cid =  = 1969 Pontiac GTO hard top. 400, 4-speed.
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01-15-2013, 12:45 AM
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#4 |
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Registered User
Join Date: Nov 2011
Location: Sheffield, ALA
Posts: 2,472
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Re: Best Oil
Straight 30wt or 30 HD? Dumb question but what would be the difference in the car engine verse the small engine?
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01-15-2013, 01:07 AM
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#5 |
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Senior Member
 
Join Date: Feb 2001
Location: New Madison, Ohio
Posts: 21,377
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Re: Best Oil
__________________
A husband can be right...or...A husband can be happy.  67-72 Chevy and GMC Trucks...The Classic Truck for the Classic Folk.  1970 CST Two tone green, 402BB, 400 Automatic, Tach, Buckets, AC, AM-FM, Tilt, GM CB, GM 8 Tract, LWB, etc   JOHN 17:3...The better side of "LIFE" Remember: Everyday is a good day...Some are just gooder! |
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01-15-2013, 01:21 AM
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#6 |
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Senior Member
Join Date: Jan 2002
Location: Williston, ND
Posts: 2,999
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Re: Best Oil
I use brad penn 10-40 in my 496. It has high zinc and is very reasonably priced. You can buy it by the case on ebay.
Posted via Mobile Device
__________________
68 Chevy CST/10, 50th Anniversary, 327/th400, 373 posi, buckets 68 GMC Shortbox Stepside, 402/th400, Tilt, Tach, Bucket Seats, 3.08 Positraction 69 Chevy Camaro SS, 383, 4 speed, positraction 70 Chevy El Camino SS396, Triple Black, 454/th400, Tach 70 Chevy Shortbox Stepside 4x4, 350/th350, Tilt, Tach, Cab Lights, Bumper Guards, Tow Hooks 70 Chevy 3/4 Longbox, 350/auto, 70k, SURVIVOR 71 Chevy Blazer, CST, 350/auto 71 GMC Sierra K2500, 454, 4 speed, 4.10 posi, 37s 71 Custom/30, Open Road, 350/th400, tilt 72 Chevy Shortbox Fleetside, 496 Stroker/th400, Tilt, Tach, Bucket Seats, 3.42 Posi 72 GMC Sierra Grande 2500. 427/th400, tilt, a/c, tool and stowage, buckets/console, 3.54 posi |
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01-15-2013, 03:47 AM
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#7 |
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Registered User
Join Date: Dec 2012
Location: Bell Gardens Ca
Posts: 152
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Re: Best Oil
I use 10-30 high mileage kendell for the purpose of its seal protector additive which is titanium
Posted via Mobile Device |
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01-15-2013, 06:56 AM
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#8 |
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Old member
Join Date: Jan 2002
Location: Liberty, & Garden City S.C. , U.S.
Posts: 19,945
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Re: Best Oil
The best oil hands down is any major brand! Clean oil is the best though. Keeping the oil changed and filter changed is the best no matter what the brand is.
Now I know a lot of guy's will argue about brand name and some have specific needs for a certain motor and thats fine but for a everyday plain motor just use a major brand wheather it's synthtic are regular keep the oil and filter clean and you should never ever have any problems.  
__________________
1971 LWB Custom, 6.0LS & 4L80E, Speedhut.com GPS speedometer & gauges with A/C. 20" Boss 338's Grey wheels 4 wheel disc brakes. My Driver Seeing the USA in a 71 Upstate SC GM Truck Club 2013,14 and 2016 Hot Rod Pour Tour http://upstategmtrucks.com/ Get out and drive the truck this summer and have some fun! It sucks not being able to hear! LWB trucks rule, if you don't think so measure your SWB! After talking to tech support at Air Lift I have found out that the kit I need is 60811. Per the measurements I gave them. Ride height of truck inside spring and inside diameter of springs. |
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01-15-2013, 07:07 AM
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#9 |
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The Niner
 
Join Date: Nov 2010
Location: Broad Brook, CT
Posts: 2,514
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Re: Best Oil
I've always used Kendall in everything I've driven.
__________________
"A good racer is one whose head is in communication with his balls." - Richie Evans 1970 C/20 - 402/TH400/3.54s - 74K miles 2003 GMC Sierra 2500 - Wheatland Yellow Niner Progression Thread: http://67-72chevytrucks.com/vboard/s...d.php?t=697183 Classic Trucks article: https://www.motortrend.com/features/...et-c20-driven/ |
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01-15-2013, 09:29 AM
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#10 |
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It'll Buff Out!
Join Date: Apr 2007
Location: San Diego
Posts: 603
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Re: Best Oil
This is always a loaded Question IMO
I run Valvoline Vr-1 Racing oil straight 30, zinc 1400ppm Napa Gold Filter, Never a Fram. Our warm Ca weather seems to be fine for the straight 30
__________________
"Instructions are just another mans opinion" Become a Supporting Member http://67-72chevytrucks.com/vboard/payments.php Man Card Rules http://67-72chevytrucks.com/vboard/s...d.php?t=634550 72 Chevy Cheyenne Super 400 LWB |
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01-15-2013, 10:35 AM
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#11 |
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Registered User
Join Date: Jun 2011
Location: Santa Barbara, CA
Posts: 33
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Re: Best Oil
Thanks everyone. I've been running straight 30 and just wanted to get confirmation or consensus. I thought until this past couple weeks that it was warmer here in Southern Cal than it was back in New England.
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01-15-2013, 10:42 AM
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#12 |
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the boat guy
Join Date: Jul 2007
Location: springfield mo
Posts: 2,339
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Re: Best Oil
if it doesn have a roller cam better use an oil with some zinc in it.
I use valvoline VR1 20-50 in my flat tappet engines. Posted via Mobile Device
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67, swb, fleet, tach, throttle, 5.3, 4l60e, 3.73's, fuel cell, 5 lug, p.d.b., 4-6 drop. great little truck 66, stevens drag/ski 18' silouette, 350, 2.02 doublehump heads. comp extreme marine 278 cam, vette 7 fin valve covers, old polished edelbrock intake, velvetdrive, casale v-drive, adj cavitation plate. 28, model a rpu project, |
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