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Does your engine need a little boost? Edelbrock high performance engine oil supplement with zinc additive should do the trick. Designed for hot rods, sports cars, musclecars, and exotics, this oil additive is specially formulated from zinc, phosphorous, and moly, creating the ideal nutrients for added wear protection of your engine's oil. It won't rub, scrape, or wear off, so it's perfect for cold starts and infrequently driven vehicles. Extend engine life and increase mileage and horsepower with Edelbrock high performance zinc additive.
Good product, and even if you have an oil for older, race, or high milahe engines this wont hurt to add at your next change. I cant say much right now for how well it works until I take a peak at my lower end next time I pull my oil pan, but the science is sound.
I'm going to try this on a 495 Oldsmobile jet boat motor.and if I spin a bearing I'm going to say this stuff doesn't work. And if I don't spin a bearing and everything's cool this stuff works. It's all kind of subjective if this type additive works. You pay your money and you take your chances.You just hope it works.