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    Toyota V8 - TGMO 0W20 alternative with PAO?

    I have two Toyota V8s (2014 Tundra 5.7L & 2012 Lexus 4.6L) and am wondering if there are any high-quality 0W20s that might offer some advantages to the factory-fill TGMO 0W20 synthetic. Being an old school car guy with a thick head I still run 6k OCIs for these engines which usually equates to...
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    BMW M4 (S55 twin turbo) Oil for summer/track?

    I have a 2015 BMW M4 with the S55 twin turbo 3.0L inline-six which I believe should perform well with the same type of oils that the previous N54 and N55 engines used. One difference is that my engine makes ~500HP (modified) so it will live a harder life compared to a stock 300HP N54. FWIW and...
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    Robust 0W20 alternative to Castrol 5W20 ? JLR V8

    Late model Jaguar / Land Rover with the AJ-V8 Gen III 5.0L that was originally filled with Castrol Edge Pro 5W20. My rig will see lots of sub-zero cold starts so my plan is to switch to a high-quality 0W20 synthetic. Good idea? Of these readily-available options in my market does one stand out...
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    2016 BMW M3 - Only 456kms on original 0W30 oil

    I am very fussy when it comes to engine break-in so I decided to do a very early OC. The next OC will be at 2000kms, paid for by the BMW maintenance plan. Feedback on the results? <img src="https://crleech.smugmug.com/Other/Misc-car-pics/i-89FcftX/0/X3/2016M3_oilreport-X3.jpg"...
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    BMW M3 - Alternative to OE 0W-30 LL FE ?

    2015+ BMW M3 / M4 with 3.0L TT in-line six (S55) The factory recommendation is BMW Twin Power Turbo Longlife-01 FE SAE 0W-30 but I can't find it anywhere. The owner's manual says to substitute 5W-30 or 0W-40 and my local BMW dealer does have M TwinPower Turbo Longlife-01 SAE 0W-40 which is what...
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    VW/Audi G052911A2 - what is it? Something lighter?

    My Audi 6spd manual calls for VW / Audi G052911A2 fluid. When the weather drops below -5C 2nd and 3rd gear syncros are not happy! Does anyone have the specs for this factory fluid? Maybe there is a good alternative for cold weather performance? <a href="http://www.ecstuning.com/ES465417/"...
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    Most detergent? Best short-term cleaning oil?

    I recently bought a used car with 60k that calls for M1 0W-40 as the factory fill but I would like to run a really potent cleaning oil for ~500 miles to clean the internals as much as is safely possible so I have a good baseline. Is there a high-quality oil that is known for having excellent...
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    Audi S4 3.0T - Motul, M1, Redline or other?

    I am now behind the wheel of a 2012 Audi S4 with GIAC AWE Stage 2 (~425hp) so I want to protect the engine with the best slick stuff! Warranty and long drain intervals are not a concern - the Stage 2 upgrade killed most of the powertrain coverage and my OCD personality means that I will never...
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    Toyota WS - alternative ATF for smoother shifting?

    My Toyota 5.7 V8 + 6spd auto calls for Toyota WS fluid. Would changing to something like Redline D4 ATF or AMSOIL Signature Series Multi-Vehicle Synthetic ATF smooth out the shifts a bit? The shifts are often a bit harsher than I think they should be but a visit to the dealer and fresh WS made...
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    ATF for old Mercedes 722.3 4spd auto 'box?

    Can anyone suggest a correct synthetic ATF for '90s era Mercedes-Benz 722.3 4spd automatic in a 500E? It sounds like the current widely used standard isn't technically ideal for this older auto 'box that isn't computer controlled. I found this good info posted elsewhere but would like to know...
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    Min oil temp for WOT/redline driving?

    I have always been very careful with oil temps by not going above approx 3000rpm or more than ~50% throttle before my engine oil reaches full operating temp (~200F). My goal is to have every engine last as long as possible and waiting until it is fully up to temp before thrashing on it seems...
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    Toyota 5.7 V8. Best to stick with Toyota 0W-20?

    I have a Lexus LX570 which has the same V8 as the 2007+ Tundra/Sequoia 5.7L. Currently using the OEM Lexus/Toyota 0W-20 synthetic. Are there any compelling reasons to try a different brand of 0W-20 or 0W-30? Also, I am at ~60k miles and I know the PO often used the Toyota 5W-20 non-synthetic...
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    Castrol TWS 10W60 & Motul 300V blend idea?

    I have a new BMW M3 (S65 V8 - TWS factory fill) with an intercooled supercharger system that increases power to 650hp. Durning extended hard use or track lapping the oil temps run 10C to 20C higher vs the stock engine oil temps. According to other BITOG members the TWS is an amazing oil but it...
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    0W20 M1 AFE vs 0W20 Toyota synthetic?

    <span style="font-weight: bold">Toyota/Lexus 4.6L V8</span> The owner's manual calls for 5W-20 or 0W-20 but I want to use the latter. How does M1 0W-20 AFE stack up against the factory Toyota full-synthetic 0W-20? Oil cost and warranty aren't part of the picture, I just want the highest...
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    Lightest 0W-30 for winter use?

    I am looking for a light-weight, high-quality 0W-30 synthetic for my Toyota 4.7L V8 truck engine. The factory manual calls for 5W-30 but my engine is regularly asked to start @ -10F and every UOA I have ever seen shows how easy these engines are on oil so I am sure a good 0W-30 will be more...
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    Redline vs Motul for older Mercedes-Benz V8?

    <span style="font-weight: bold">1994 Mercedes-Benz 5.0L V8 DOHC</span> I have just completed a cleaning cycle with Rotella T6 5W40 and I want to move on to something better. My OCI will be 5k miles or six months. The choice is between Redline 5W40 and Motul 8100 X-cess 5W40 since both are...
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    Land Cruiser 80 - Diff and Trans oil suggestions?

    I just bought a 1997 Land Cruiser (80 Series) with 200k and I want to change all the fluids. AFAIK, the vehicle has always been run on dealer-fill bulk dino lubes. -Engine: I will use Shell Rotella T 5W40 <span style="font-weight: bold">-Diffs: Calls for Hypoid gear oil API GL-5 -T case: Calls...
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    50wt = 85psi. 40wt = XXpsi ?????

    Oil experts. My engine is currently spinning along with synthetic 20W-50 and making the following oil pressures @ 200F: 85psi @ 4000RPM 105psi @ 6500RPM I think this pressure is too high since the factory manual states the spec as 60psi @ 4000RPM. Does anyone have an educated guess where my...
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    BRAD PENN high ZDDP bad for catalytic converter?

    I plan to use Brad Penn 0W-30 semi-synth (great specs!) in a couple of my vehicles but a trusted source told me that these 'race' type oils with high levels of ZDDP can be harmful to modern catalytic converters. According to this source the cat damage is the reason that most modern API oils have...
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    Best 5W-30 dino oil for performance engine?

    I want to keep dino oil in my new 350hp Subaru STI's engine for the first 4k miles (two oil changes) but I want the oil to be a strong one! Can anyone suggest a good dino 5W-30 that won't shear down when it gets hot? After the 4k mile mark I will change to Redline 5W-30.
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