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I know I've already stated this but back in the '80s Quaker State was top of the line. Famous engine builder told me he's never taking a motor apart that's been running quicker it's whole life and been dirty. He built me a 500 horsepower engine and told me to run Quaker 20-50 but not racing oil...

Not only is it a big deal for us old performance engines to have the old Pennsylvania mineral style crude but it's a big deal to have the detergents. I looked at All Mileage I know it's a blend. And I'm no expert you know that but I've studied about 40 hours the last couple weeks about...

I decided to use the regular conventional GTX 2050 with trick flow sink additive because that oil right there is a blend. I made the mistake of putting VR1 in my old engine I don't think it hurt it. But it immediately found a couple of leaks because it's full synthetic. It also does not have...

I now believe full synthetic will harm an old engine that needs High viscosity. Mobile 1 is way too thin for a muscle car. It's pretty good for a new car. Remember we do not need racing off for the street they don't have detergent or much of any. And if you go full synthetic racing all you're...

I've heard the exact opposite by a famous Pontiac engine builder Nunzi Romano Brooklyn NY. He built the engine in my '74 Trans Am 455 SD in the mid 80s. These are kind of loose he told me to use Quaker State 20-50 I said why that brand. He said he's never seen a motor come apart that used its...