AMSOil
Amsoil is great stuff!! I have been running it in everything I own for years...Harley, snowmobile,boat.....I would run 5w-30. With a good quality filter like napa. Also you can run it alot longer between oil changes than conventional motor oil. If I'm racing my car alot I change it every 5k. Every other car I own I go between 8-10k.
Amsoil is great stuff!! I have been running it in everything I own for years...Harley, snowmobile,boat.....I would run 5w-30. With a good quality filter like napa. Also you can run it alot longer between oil changes than conventional motor oil. If I'm racing my car alot I change it every 5k. Every other car I own I go between 8-10k.
oil Not sure I would change from royal to amsoil. I did this in 2 vehicles a mustang and a new GMC with a 5.3. Both vehicles started using over a quart of oil at 3500 miles. Amsoil has a 12 month or 25,000 mile oil change interval, just change the filter every 12,000. I was adding1 qt at 3500 and another at 7000.. Another quart at or around 10,000 and the quart at the 12000 with the filter and so on. I was puting about 7 qts of oil in a year over the reg amount for a total of19 qts in a year. At 7.00 a qt that was 130.00. I should have stuck with the royal. Oh and they said it would increase my fuel mileage. I lost 2 miles per gal. I changed my oil every 6000 with the royal for a total of 24 qts. I felt better with the royal and had no early morning start uP noise. Has anyone else had this problem?
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Joined: Sep 2006
Posts: 2
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From: Iowa
I've been using AMSOIL for years, and switched my 1990 Silverado with a 5.7L over from Royal Purple to AMSOIL with no issues.
I've also ran Mobil 1 in the past years, and switched those vehicles over to AMSOIL with no consumption issues.
My 2003 Chevy Silverado has a 5.3L and I ran the AMSOIL 5W-30 for 19-months and 23,000-miles before the oil analysis report said it was time to change the oil. I never had to add any oil in the 23,000-miles, it was still running between the add and full mark at the oil change. I now have the new 0W-30 AMSOIL in the truck.
My wifes car is a 2003 Pontiac GrandPrix with a 3.8L. We ran her car 26,000-miles in 16-month before the oil sample report said the oil was getting low on TBN and it should be changed. I added a quart of oil every 8,000-miles which was less than conventional oil at a quart every 3,000-miles. Mobil 1 was a quart every 4 to 5,000-miles. The oil sample report also showed signs of a coolant leak. I pulled the intake and the gaskets were cracked. The $20.00 oil sample saved my wifes engine.
I have a large number of customers with the GM 3.8L engines and 3,000-miles on a quart of conventional oil seems to be the norm. With AMSOIL several are running like my wifes car, around 8,000 to 12,000-miles per quart. None of which are consumption issues.
Thanks, John
johnsoils.com
I've also ran Mobil 1 in the past years, and switched those vehicles over to AMSOIL with no consumption issues.
My 2003 Chevy Silverado has a 5.3L and I ran the AMSOIL 5W-30 for 19-months and 23,000-miles before the oil analysis report said it was time to change the oil. I never had to add any oil in the 23,000-miles, it was still running between the add and full mark at the oil change. I now have the new 0W-30 AMSOIL in the truck.
My wifes car is a 2003 Pontiac GrandPrix with a 3.8L. We ran her car 26,000-miles in 16-month before the oil sample report said the oil was getting low on TBN and it should be changed. I added a quart of oil every 8,000-miles which was less than conventional oil at a quart every 3,000-miles. Mobil 1 was a quart every 4 to 5,000-miles. The oil sample report also showed signs of a coolant leak. I pulled the intake and the gaskets were cracked. The $20.00 oil sample saved my wifes engine.
I have a large number of customers with the GM 3.8L engines and 3,000-miles on a quart of conventional oil seems to be the norm. With AMSOIL several are running like my wifes car, around 8,000 to 12,000-miles per quart. None of which are consumption issues.
Thanks, John
johnsoils.com
Last edited by johnsoils; Sep 14, 2008 at 12:12 PM. Reason: For got to put miles per quart of oil added.
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