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Hi, it has been said that syn will shear less then dino oils under load(basic Redline positon and BOSISTHEOILGUY has stated it in a post also). This less shearing, for lack of a better term, I will call it 'dynamic shearing' is when the VIIs align themselves under load and recoil back under less...

Hi, found some German 0W-30. I have been using Mobil1 and #132. Any reason not to continue with the #132( Mola's ratios) with the Castrol oil? Thanks

Hi, While teaching my daughter to drive a stick shift, I was telling her not to use engine braking to just slow the car down. Brakes being cheaper than the clutch and trans syn gears. However, she noticed during mountain driving I used lower gears to slow the car down. She asked me why one was...

While topping of the oil yesterday because I had drained some oil last week to start my AutoRX run, I forgot to put the oil filler cap back on for about 75-100 miles. What kind of damage did I do? The car is a Carmy 6 Cyl. I did change the oil and filter to be safe today. I lost the Auto RX...

Just a very informal seat-of-the-pants review. But after serveral months of looking at this forum, it seems that the most variance in engine wear ( execpt for extreme oil mileage/time abuse) is the amount of silicon in the oil. Not the type of oil, oil filter or anything always shows increased...

I bought a case of Redline D4 ATF fluid, after checking and hearing good things about it. Planning to switch from Mobil1 ATF to Redline D4. Thinking that I would even use a better oil, I started the multiple drain/refill process with the D4 ATF fluid. While checking the third bottle, I noticed a...

Just wondering what might be wrong with this argument: Since motor oils in the past could have up to a 375% increase in viscosity and still met SAE grades, why would one have any concerns with using Mobil 0W-40,for example, that stays in grade for at least 3k-5k+ miles? The percentage increase...

I have used with good results the Redline MTL products. Looking at their web site, I noticed that they claim their D4 ATF fluid is GL4 rated. Since my car has an auto tran with transaxle that shares the ATF fluid, do you think I would get better wear protection on the gears vs my current Mobil1...

I kind of understand how AWs like Moly protects metal to meal with a 'plastic' film. But does this film help with dirt in the oil? Or does silcon cut the film? Thanks

I rent a lot of cars. Lately I have been checking the oil when I fill the car. I have noticed that some cars (usually with 7k-15k total miles) the oils look quite dirty and dark with even at little as 2k-3k miles on the oil. As constrasted with my 95 6 cyl Camry at 3k with Mobil1 and Pureone...

Do you beleive this MOBIL1 FAQ? Seems off base to me. 06/17/2002 Bypass Oil Filtering I read through the archive but could find nothing on "bypass oil filtering." I'd like to add the Oilguard System to my 1995 Ford F-150 with 50,000 miles. The literature and reports of performance of this type...

This is really strange. At WalMart, I found several SF rated white round bottle of Mobil1. This was the oil that Mobil claimed could go 25K miles or 1 year, whicheveer comes first. It also claims it helps start engines at -35F. I think this oil is 1992 or prior, if I recall correctly. Wonder...

Do the lead substitutes products like CD2 Lead Substitutes work as an UCL and do they typically have MMT? Can you assume all lead substitutes are UCLs? Or do you have to use an octane booster to get the MMT and UCL? It seems like the products overlap somewhat in that octane boosters may have...

Does gas in NA have any MMT in it. If is does would premium have more, since it is higher octane? And would the gas have enought MMT to reduce valve recession or do you need to buy aftermarket MMT? Thanks

I just pulled down several SAE reports on air cleaners after reading this forum and learning how important clean air is to engine wear. In the past, my focus had been on oil filters and little regard for air filters. The below facts shocked my base line thinking about air cleaners and my service...

Hi, I see lots of discussion on UOA and wear rates, but little talk about the bottom line - are you getting higher mileage out of your engines or is their an intrinsic value beyond just long life, like less noise, less power loss, less oil consumption, etc, that drives most of you guys to keep...