Question for Amsoil Users






What do most of you use in your C5's?
They used the 100% synhetic 10W-30 wieght. It has an orange/yellow label and says "Turbo Formulated". The link below shows you the product, ATM-QT
I have almost 5,000 miles on the Z now, with no problems at all. I was just curious, since the OEM wieght is 5W-30 Mobil 1.
Let me know your thoughts please. Thanks.
http://www.amsoil.com/products/atm.html
What do most of you use in your C5's?
They used the 100% synhetic 10W-30 wieght. It has an orange/yellow label and says "Turbo Formulated". The link below shows you the product, ATM-QT
I have almost 5,000 miles on the Z now, with no problems at all. I was just curious, since the OEM wieght is 5W-30 Mobil 1.
Let me know your thoughts please. Thanks.
http://www.amsoil.com/products/atm.html
Both have the same protection at operating temperatures.
Next time just put in the ASL-5w30 and you will be a happy camper.
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AMSOIL 10W-30 remains fluid at temperatures as low as -54°F (-48°C) so it permits easy engine cranking for fast starts.
Four Ball Wear Test (ASTM D-4172 B: 40 kg, 75°C, 1200 rpm, 1 hour, Scar in mm) 0.35
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AMSOIL 5W-30 remains fluid at temperatures as frigid as -60°F (-51°C). It permits easy engine cranking for fast starts.
Four Ball Wear Test (ASTM D-4172 B: 40 kg, 75°C, 1200 rpm, 1 hour, Scar in mm) 0.35




It's only been the last year that I changed to Mobil 1. Now I change the oil every 5K miles.
In retrospect, yes the oil was expensive but if you weighed in that you weren't changing it every 3-5K miles, it was really no more or less expensive than using Mobil 1.
I just quit using it because of availability.
Mark
The Best of Corvette for Corvette Enthusiasts








