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Amsoil,red-line,mobil 1 gold cap and royal purple are all group 4 or better basestocks which means they are a true synthetic. Castrol syntec,mobil 1 tri-syn,penzoil platinum and h-d syn 3 are all group 3 which are a highly refined conventional. So if you choose from the first 4 options you are getting what your paying for.Amsoil vs Mobil 1 vs Royal Purple Engine, Exhaust, Transmission Amsoil vs Mobil 1 vs Royal Purple - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community - FT86CLUB follow ft86club on our blog , twitter or facebook .Amsoil redline also are high performance oils. Mobile 1 is not as good but decent then u have ur penz Castrol etc that are just regular oils. Unless u have a blower of some sort pushing big power moble 1 is your best bag for ur buck . If u have big power I recommend royal purple it's what I run in my 1000 hp carbut all of the websites comparing them i come across say the amsoil is better.... i deliver for fedex and my... in this thread in this sub-forum in the entire siteWhat I like about Mobil 1 is the ease to find their Specifications and Approvals for any oil they sell. Your engine will live a long life if you choose either product. But if Mobil 1 is cheaper, go with Mobil 1. Mobil 1 ESP Formula 5W-30 has the following builder approvals: BMW Longlife 04.Oil Specs AMSOIL Signature Series vs Mobil 1 Extended Performance. Oil Specifications (from manufacturers) AMSOIL SS 5W-30. Mobil 1 EP 5W-30. Kinematic Viscosity @ 100°C, cSt (ASTM D445) Kinematic Viscosity is defined as an oil's resistance to flow and shear due to gravity. At high temperatures, higher viscosity is better and at low temps ...5W-30, 10W-30, 0W-20. Amsoil and Mobil 1 have similar viscosity grades, including 5W-30, 10W-30, and 0W-20. The numbers indicate the oil’s viscosity at different temperatures. Lower numbers mean less viscosity at lower temperatures, providing easier cold starts and better engine protection.I have seen many times the friction test of oils using the machine that tests the oil film, test result shows that Royal Purple has more friction protection that Mobil 1 oil does,seeing these results makes me think that Mobil 1 oil is lacking some benefits, therefore Royal Purple has the better protection of all.".75% more engine protection against horsepower loss and wear. 1; 50% more cleaning power vs. AMSOIL OE Motor Oil; Protects turbochargers 72% better than required 2 by the GM dexos1 Gen 2 specification.; 28% more acid-neutralizing power than Mobil 1. 3; Trusted by professional engine builders; Guaranteed protection for up to 25,000 miles or 1 year; 1 Based on independent testing of AMSOIL ...75% more engine protection against horsepower loss and wear. 1; 50% more cleaning power vs. AMSOIL OE Motor Oil; Protects turbochargers 72% better than required 2 by the GM dexos1 Gen 2 specification.; 28% more acid-neutralizing power than Mobil 1. 3; Trusted by professional engine builders; Guaranteed protection for up to 25,000 miles or 1 year; 1 Based on independent testing of AMSOIL ...Jun 30, 2006. #8. I have no idea how RP 5W20 behaves. I know I was never impressed with RP 5W30. It would shear out of grade 99% of the time. I do not think that a premium priced synthetic oil in 5W30 should shear!! Depending on your OCI the PP may or may not be a bargin. We know that M1 will do a good job even at longer milage and time ...AC1178, I made the switch from Syn3 to Royal Purple 20W50 motorcycle oil, I use it in all three holes and I am completely satisfied. I have an '05 Road King Custom 95" and I use the bike specific oil because of the different additive package, and bikes ARE different than cars. Amsoil and Mobil 1 are fine too, it's a matter of choice.Breakdown of an AMSOIL Ea 15k 20 oil filter with comparison to similar Mobil-1 and Royal Purple filters.Filter Efficiency: 98.7% @ 20 microns per ISO 4548-12...Mobile 1 vs Royal Purple vs Amsoil. Jump to Latest Follow Status Not open for further replies. 1 - 18 of 18 Posts ...The highest reduction in NOx emissions was between Royal Purple and Amsoil, with Royal Purple tests showing an average NOx production that is 12.06% lower than that of the Amsoil tests. 26 1600 RPM NOx Comparison 290 340 390 440 490 25 30 35 40 45 50 55 BM EP (PSI) NOx (parts per million) She ll Rotella 15-40 Amsoil 15W-40 Royal P urple 15W-40 ...Nov 11, 2016 · A heavyweight battle between three perennial motor oil favorites. AMSOIL, Royal Purple and Mobil 1 have been long considered to be top-end motor oil brands. A recent independent, standardized lab test was conducted to determine how well each brand could combat deposit formation. Here are the contenders.As far as the oil, I use royal purple, have used mobil 1 in a corvette...both keep things slick, as advertised. '06 C6 Z51. '08 Tundra DC 5.7L - gone. '04 GTO - gone. "If everything seems under control, you're just not going fast enough." - Mario Andretti. "You win some, lose some, and wreck some." - Dale Earnhardt.The following graph shows the test results from the independent, third-party lab. This industry-standard test shows AMSOIL Signature Series 5W-30 Synthetic Motor Oil prevents deposits 4X better than Mobil1® Extended Performance and 3.6X better than Royal Purple®.AMSOIL Comparison: vs Mobil1® & Royal Purple® AMSOIL Signature Series 5W-30 Synthetic Motor Oil protects against …11 posts · Joined 2013. #24 · Nov 29, 2013. The only people I've heard recommend using anything other than full synthetic are mechanics over 50. Standard dino oil should be used for the first 600-1000 miles, then full synthetic is the way to go. Ive used Amsoil 10w40 in my bikes since 2004 with great results.Biggest reason for Mobil 1 is its the best at keeping the seals conditioned in the higher mileage cars (our main concern). Pennzoil Ultra Platinum, note, it HAS to be Ultra Platinum, not just the regular Platinum you find, is the best performing oil in so many tests (short of Amsoil).As per AMSOIL vs. Royal Purple Reddit discussions, AMSOIL appears to do better in powerful engines, such as racecars. Royal Purple is ideal for heavy-duty applications. The product price range is similar for AMSOIL and Royal Purple.

AMSOIL Signature SeriesSAE 5W30 VS ROYAL PURPLE High Performace Motor Oil SAE 5W30 and Royal Purple HPS® SAE 5W30 Technical Properties ASTM (American Society for Testing and Materials) Tests – We extracted the information available from the respective manufacturers and put the information in the following table. The Head-to-Head side-by-side ...I use ROYAL Purple but those 2 brands are still very good oils. Cant go wrong with either. 2003 C5 ZO6 New setup.. RX427TT ... including a direct used oil analysis comparison of Mobil 1 vs AMSOIL in my 2006 CTS-V daily driver. I use the AMSOIL 0w30 and an EAO32 filter in my CTS-V, both of which are what I'd recommend in a daily driver C5 Z06 ...Jun 21, 2023 · Differences Between Royal Purple vs Amsoil. Royal Purple vs Amsoil is one of the most curious comparisons about motor oil in recent years. Royal Purple oil lasts longer between oil changes than Amsoil; also, their engine protection trumps Amsoil by up to 73% more compared to friction-related power loss; their lubricants improve seals that can ...I think the reason why most of us go for Mobil 1 0w40 is because its so available you can pick it up at walmart or autozone. I wish Amsoil or Rotella was the same. I like Mobil 1 and there filters but I dont want to run it in the summer, the motor will pound it into mud.

5W-30, 10W-30, 0W-20. Amsoil and Mobil 1 have similar viscosity grades, including 5W-30, 10W-30, and 0W-20. The numbers indicate the oil’s viscosity at different temperatures. Lower numbers mean less viscosity at lower temperatures, providing easier cold starts and better engine protection.With the increasing popularity of mobile gaming, Free Fire has emerged as one of the most loved battle royale games. However, playing it on a small screen can sometimes be limiting...News, Tech Discussion. In independent, third party testing, AMSOIL has pitted their Signature Series 5W-30 Synthetic Motor Oil against synthetic offerings from nine popular competitors. These competitors include : Mobil 1™ Extended Performance. Royal Purple High Performance Motor Oil. Lucas Synthetic.…

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs. 2001 Mustang BULLITT. 01 Mods. Possible cause: Still, Castrol Edge comes in slightly cheaper than Mobil 1. The only tro.