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Reply to "Heated Chemical Engine Oil Flushes, safe, worthwhile?"

Thanks for the welcome.
The vehicle is a 01 Pontiac Grand Am GT lease return, I purchased a few weeks ago. It currently has 39,500 miles on it. Since its past history is unknown, I immediately performed an oil change with Mobil 1 5w30. Drove for a few days, than performed another oil change with Mobil 1 5w30.

I'm currently looking at switching to Amsoil 5w30, once I'm satisfied the oil base is clean. Does anyone know of any "independent" motor oil analysis-comparison.

Other than "detergents" the shop could not tell me what active ingredients were going to be pumped into my engine. I'll look up the Auto Rx. Thanks for the informing me of the product and the coupon.
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