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View Poll Results: Which oil do you use? | |||
Amsoil |
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79 | 22.13% |
Castrol |
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19 | 5.32% |
Champion |
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0 | 0% |
Chevron |
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0 | 0% |
Conoco |
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0 | 0% |
Citgo |
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0 | 0% |
Havoline |
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1 | 0.28% |
Interstate |
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0 | 0% |
Kendall |
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1 | 0.28% |
Lowe |
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0 | 0% |
Marathon |
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0 | 0% |
Mobil 1 |
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224 | 62.75% |
Motorcraft |
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0 | 0% |
National |
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0 | 0% |
PennZoil |
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4 | 1.12% |
Quaker State |
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3 | 0.84% |
Redline |
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10 | 2.80% |
Royal Purple |
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11 | 3.08% |
Valvoline |
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5 | 1.40% |
Voters: 357. You may not vote on this poll |
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Thread Tools | Display Modes |
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#151 |
![]() Join Date: Feb 2012
Location: Ledyard,CT
Posts: 8,148
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It should not increase oil pressure or blow out seals!
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#152 |
![]() Join Date: Aug 2016
Location: US Oregon
Posts: 74
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Why such heavy oil.Engines are built with oil film thickness in mind.Racing engines are loose and run heavy weight oils. Ever seen the damage from heavy oil on main bearings and rod bearings.
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#153 |
Join Date: Jun 2012
Location: fort worth
Posts: 183
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An excellent oil, with plenty of Phosphorus and Zinc for our cars' flat tappets, is Shell Rotella T6 Synthetic 5w40. It's only $5.50 a quart.
It's very popular among motorcycle racers with flat tappet engines. DOHC 4-stroke motorcycle engines have very similar valve train architecture to the LT5 so the oil requirements are essentially the same. Last edited by CamP; 09-21-2016 at 09:50 PM. |
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#154 |
Join Date: May 2007
Location: Chicagoland, IL
Posts: 9,697
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Where do u buy any oil for &5.50 a gallon?
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#155 |
Join Date: Jun 2012
Location: fort worth
Posts: 183
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Sorry, that's the quart price. It's $22 a gallon at Wally World.
Anyway, now that you can't buy SG/SH rated Mobil 1 10w30, the Rotella T6 is the best low cost option for a light viscosity full synthetic with lots of Zinc and Phosphorus. Last edited by CamP; 09-21-2016 at 09:49 PM. |
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#156 |
![]() Join Date: Jun 2013
Location: PA
Posts: 879
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New Royal Purple HPS looks promising.
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#157 |
Join Date: Jun 2012
Location: fort worth
Posts: 183
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Someone on bob's performed a new oil analysis and it does have a lot of zinc and phosphorus.
"All samples were taken from brand new, thoroughly shaken bottles of oil. And all tests were performed at ALS Tribology, formerly Staveley Labs, in Sparks, Nevada. Royal Purple 10W30 HPS (High Performance Street) Silicon = 7 ppm (anti-foaming agent in new oil, but in used oil, certain gasket materials and dirt can also add to this number) Boron = <5 ppm (detergent/dispersant) Magnesium = 46 ppm (detergent/dispersant) Calcium = 3626 ppm (detergent/dispersant) Barium = <1 ppm (detergent/dispersant) Total detergent/dispersant = 3676 ppm Zinc = 1774 ppm (anti-wear) Phos = 1347 ppm (anti-wear) Moly = 189 ppm (anti-wear) Total anti-wear = 3310 ppm Potassium = 11 ppm (anti-freeze inhibitor) Sodium = 2 ppm (anti-freeze inhibitor) TBN = 10.2 (Total Base Number is an acid neutralizer to prevent corrosion. Most gasoline engine motor oils start with TBN around 8 or 9. And in use, this becomes depleted over time as mileage accumulates) Viscosity (cSt at 100*C) = 11.3 (cSt range for SAE 30 is 9.3 to 12.4) And cSt (centistokes) in general terms, represents an oil’s thickness." |
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#158 |
Join Date: Jun 2012
Location: fort worth
Posts: 183
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Here's a VOA of Shell Rotella T6 for folks that are interested in this kind of stuff.
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#159 |
Join Date: Feb 2012
Location: Canada
Posts: 69
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I used Mobil High Mileage for the acidic content, but now use Amsoil Z Rod which is more acidic. Only problem using this high of acidic content it is hard on the Cats which will be required to be changed by 50.000 miles. Since I only have 30,000 now no worries.
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#160 |
![]() Join Date: Sep 2011
Location: TN
Posts: 581
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What about Gibbs / driven oil ?? heres a vid
www.youtube.com/watch?v=u5vhXFinQv8 |
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