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08-11-2019, 03:25 PM
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#1 |
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Registered User
Join Date: Mar 2019
Location: Pearcy AR.
Posts: 62
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Oil
What zinc additive are you running in an older engine? Not ready for a roller setup just yet.
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08-11-2019, 03:28 PM
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#2 |
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Registered User
Join Date: Dec 2017
Location: Elkhart, Texas
Posts: 1,531
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Re: Oil
Valvoline VR-1 Racing oil.. No additive needed, has plenty zinc "built-in"....
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08-11-2019, 03:50 PM
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#3 |
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Registered User
 
Join Date: Feb 2000
Location: Maquoketa, Ia/ Orr, Mn
Posts: 2,963
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Re: Oil
I run AMSOIL Z-Rod in my K20. I've attached a technical bulletin with the zinc levels of AMSOIL products that flat tappet engines would benefit from.
FWIW here is a list of 40 oils and their zinc levels- your current oil may be on the list already and easy to compare to others. I don't know when the last time it was revised or if the composition of the oils listed have changed since this was put together. https://pantera.infopop.cc/topic/eng...esting-results If you're looking simply for the ZDDP additive, there are a few sources. Eastwood https://www.eastwood.com/ew-zddp-oil-additive-4-oz.html Summit Racing https://www.summitracing.com/parts/isk-zddp I'm sure there are others as well.
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'51 South Bend Model "9A" '56 Chevy 3600 NAPCO '74 Chevy Cheyenne Super K20-restored on 37's '72 GMC Sierra Custom K2500- in progress '08 GMC Envoy Denali '12 GMC Sierra 2500HD Denali '17 GMC Yukon XL VCCA member #58596 http://www.nohrco.com |
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08-11-2019, 05:59 PM
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#4 |
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Registered User
Join Date: Jan 2018
Location: TN
Posts: 104
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Re: Oil
I run lucas. You can buy it at Orileys off the shelf. I run 1/4 bottle per 5 qts which is about 1250 ppm.
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1969 C10 Suburban Custom (Factory 396/TH400, survivor with no rust) |
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08-11-2019, 07:13 PM
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#5 |
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Senior Member
Join Date: Feb 2002
Location: Tucson, AZ USA
Posts: 7,042
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Re: Oil
I like the Valvoline Racing VR1. I ran a 292 L6 for 25 years/ 250,000 miles on it, changing ever y 2000 miles. Straight SAE 30 weight.
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Every 25 years I like to rebuild that 292, whether it needs it or not. |
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08-11-2019, 07:38 PM
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#6 |
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10/30/19
Join Date: Aug 2004
Location: ottawa kansas
Posts: 5,199
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Re: Oil
I use Lucas. I get it at Walmart.
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08-12-2019, 12:43 AM
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#7 |
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Registered User
Join Date: Jul 2015
Location: 2nd left past the stump on a dirt road.
Posts: 2,629
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Re: Oil
Again on the VR1.
Want to see why??? Read this entire post. The science is there. https://540ratblog.wordpress.com/ I am grateful he gave this to the internet. It was a ton of work for him. |
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08-12-2019, 06:30 AM
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#8 |
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Senior Member
Join Date: Dec 2013
Location: Gods country East,Tn
Posts: 8,545
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Re: Oil
Old school Castrol 20-50 and Stp oil treatment , Never had an oil related failure EVER .
__________________
 1967 Factory short bed - Old school '71 - 350 / 4bolt / 487 heads / Edelbrock C3BX Muncie M-22 4 speed / Hurst Comp plus Factory 12 bolt posi 3.73 / 255-70-15 Smoothed firewall / Factory cowl induction Power disc brakes / power steering / 3.5-5" drop |
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08-12-2019, 09:58 AM
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#9 |
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Registered User
Join Date: Feb 2012
Location: So. Cali.
Posts: 2,606
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The Dreaded OIL THREAD !
Pretty much any C / CJ Diesel rated oil is what you want .
As mentioned, good quality oils (synthetics) are vastly better than the paraffin based crap your engine was designed to use so just keep it full and HOT CHANGE THE OIL & FILTER on a regular basis and the engine will outlast you unless you abuse it .
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-Nate Geezer '49 3100 235 W/ Muncie SM420 SOLD '69 C/10 shortbed sidemount survivor 250 L6 W/ 350TH 
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08-12-2019, 05:49 PM
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#10 |
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Registered User
Join Date: Nov 2006
Location: KINGSPORT,TN.
Posts: 3,035
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Re: Oil
40 weight Valvoline race oil and 1/4 bottle lucas zddp
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I BELIEVE IN JOHN 3:16 |
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08-12-2019, 05:51 PM
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#11 |
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Registered User
Join Date: Aug 2016
Location: Lake Forest, CA
Posts: 2,177
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Re: Oil
Lucas oil stabilizer has zinc?
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"Work hard, use your vacation days." 1970 C15 GMC Long Bed 1986 C20 Scottsdale 1983 K2500 Sierra Classic Suburban 6.2 Instagram: C10sofOC |
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08-12-2019, 06:10 PM
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#12 |
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Registered User
Join Date: Apr 2015
Location: Weatherford Oklahoma
Posts: 53
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Re: Oil
Valvoline VR1
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08-12-2019, 09:13 PM
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#13 | |
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Registered User
Join Date: May 2011
Location: mich
Posts: 654
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Re: Oil
Quote:
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