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Questions on motor oil
Anyone know which engine oils have the zinc additive for flat tappet lifters and cams? I will be running a 1985 chevy 350 pick up with a summit cam .454 lift and 216 duration. I was told to use the additive from now on. I am not familiar with the additive but I do understand why. I know I can buy the additive from summit or other companies like edlebrock etc. in a 12 oz. bottlebut, just wondering if I can get a engine oil with the additive already in it. Thanks
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Brad Penn Oil
http://www.penngrade1.com/ |
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I would advise staying away from additives, as most oils do not recommend adding any other stuff to their oils. They say it upsets the additive package balance. I use Valvoline VR-1 10W-30, and have for over 6 years, using a CC XE274H flat tappet cam in my stroker. Unlike the 'Not Street Legal' Valvoline, the VR-1 has adequate Zinc and Phosphorus and an additive package designed for street car use. |
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Mobil 1 15w50 has the zinc and phosphorous you need for a flat tappet cam, and its fairly easy to find at Advance Auto Parts and other stores. However, the big box stores (e.g. Walmart) do not carry it. The other grades of Mobil 1 do not have the same additive level, but some are close.
http://www.mobil.com/USA-English/Mot...duct_Guide.pdf Bruce |
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detergents are VERY important on a street vehicle and are not something to take for granted. Mobil 15W-50 may have a higher zddp level BUT you are know using a much thicker oil than your engine may have been designed for. Viscosity is ALSO important. |
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using the new pensoil ultra is the best out there right now in my opinion on oil but about the additives mail order is about the only way to get ahold of them you might be able to get them cheaper and in bigger bulk through ur local jiffylube.
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Someone ought to make this info into a Crankshaft Coalition article. Just a thought...
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I E-Mailed a question concerning this to Valvoline. I will share their answer when I receive it. |
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Here is what is posted on the Valvoline web site.
Where does it say that VR-1 has less detergents? Please show me! How is it apparent that it has less detergents? What should I be looking for? What kind of vehicle/engine did you run VR-1 in where it was apparent that it was lacking detergents? VALVOLINE VR-1 RACING MOTOR OIL Valvoline VR-1 Racing Motor Oil is a family of race-proven lubricants formulated to provide high load carrying characteristics, minimum foaming and maximum resistance to thermal degradation. Exclusive chemistry reduces internal friction and enhances power output under extreme service conditions. Valvoline VR-1 Racing Motor Oil is recommended for engines burning gasoline and full or partial alcohol fuels in track and street service. Valvoline VR-1 Racing Motor Oil is for use in any car, light truck, van, or SUV where API “SN” is recommended(see proper viscosity grade below). Valvoline VR-1 Racing Motor Oil is not recommended for use in wet clutches( use Valvoline 4-Stroke Motorcycle Oil). The Valvoline VR-1 Racing Motor Oil • The #1 selling Racing Oil of all time and race track proven. • Protects against high-temperature deposits for a cleaner engine. • ZDDP additive provides tough anti-wear protection. • Enhanced with fricition modifier to improve horsepower. • Formulated with enhanced anti-foam system. Approvals/Performance Levels Viscosity Grade/Other API SN/SM/SL - - - - - - 20W-50 API SH * 10W-30 20W-50 API CD/CF * 10W-30 20W-50 Test 10W-30 20W-50 Vis @ 100°C (cSt) 11.5 20.5 Vis @ 40°C (cSt) 77.0 181.8 Viscosity Index 143 132 Spec Gravity @ 60°F 0.8722 0.888 Density (lbs/gal) 7.27 7.39 Total Base No. 8.5 8.5 Flash COC (°C) 212 248 Pour Point (°C) -33 -24 CCS cP (°C) 6200(-25C) 8000(-15C) MRV TP-1 cP (°C) 20,000(-30C) 27,000(-20C) Noack % off @ 250C <15 <15 Sulfated Ash 1 1 Zinc/Phosphorus 0.14/0.13 0.14/0.13 Calcium 0.210 0.210 Sodium 0.049 0.049 . * Obsolete category This information only applies to products manufactured in the following location(s): USA, Canada Effective Date: Replaces: Author's Initials: Pages Rev. Code 6-8-11 12-6-10 DJD 1 004 |
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