AMSOIL Full Synthetic?!?!?!?!

[jwibbity]

i recently bought my SB back in april with 59K. Im rolling up on 62 and was wondering about full synthetic motor oil. The AMSOIL Signature Series 5w-20 claims it can be changed every year or 15,000 miles if you used in conjuction with there filter. So the question i have is should i stay with 5w-20 if im going full synthetic and also should i trust the 15K/ one year change interval???

[RacerX]

Amsoil is good. I use it, 5W30. Use an OEM Motorcraft filter though. As far as 15k, you check it visually and change it accordingly.

[myrodr]

amsoil is great!!! i helped with rebuild of a302. motor ran only amsoil . driven 45 miles one way to drag strip.running 11.5 passes,for 2 years trailed 1 year. the inside looked as fresh as the day it was first put together.

[babbage]

I run AMSOIL 0w-20 and 75w-110 for gear oil. Good stuff for sure!

[LANDY]

i also use amsoil 5-30 but i wouldnt go more that 5k miles on any oil anyways

[boatmangc]

I have been using it since 1985. I run it in my 2006 3/4 Sprinter diesel, It goes 18-20K on an oil change.
I sold a 1996 F150 with 170,000 miles on it, Original transmission. Fully loaded bed (mobile marine repairs) 1000s of miles towing boats.
When I sold it it had the oil changed 6 times, I used their bypass oil filter system. The oil was still clear.
25,000 miles minimum between changes with filter changes every 12,000 miles.
I am running the Amsoil Dominator 5W30 racing oil in the Aluminator. I change it once a year.
I use their filters as well.

[Seneca]

I too run Amsoil 5w30 full syn. and their filter changed once a year, My car only see's 4000 miles a year? Also run it in my 2004 f250 20k miles changes truck now has 134k miles still purrs like a kitten.

[jwibbity]

ill use it but ill check the oil every 5K just to be sure and now the only question is the type, i only drive the car to and from work, i slam it every once and a while but its pretty much my short trip car so would the 5w20 be fine, i really dont know the oil rating system so dont know what to choose....

[boatmangc]

Just go to their website and use their guide.
http://www.amsoil.com/
Don't be surprised if they suggest 0W-20, I used it in my Mark 8 for 7 years, lots of WOT running with it and many miles in triple digits. Annual changes or 25,000 miles whichever came first.

[MOTOWN]

Ive ran amsoil 5w-30 since 7k, i change mines every 20k! send a sample back to amsoil, and they will analyze it and tell you the condition of your oil, motor.

[jabird56]

My 77 year old retired drag racer; Gene Mori, swears by AMSOIL. He also has the distribution rights here in the southern MD area. He gets a quarterly percentage check from AMSOIL, from all the sales in the area.

Post #28 of the following thread gives a little history....

http://www.mercurymarauder.net/forum...ad.php?t=50304

By the way the 454 HHR is done; however, he took it out on the street and "RAN" it once. Popped a wheely right off the line. He brought it back to the garage and said, I'll never register that car.

[SC Cheesehead]

AMSOIL's great stuff, I used it for years in couple cars.

Best way to judge oil condition and change out is by oil analysis, neither visual appearace or time-based changing are the ideal way to manage lubrication maintenance.

[RF Overlord]

Best way to judge oil condition and change out is by oil analysis, neither visual appearace or time-based changing are the ideal way to manage lubrication maintenance.

Exactly.

AMSOIL is excellent oil and is perfectly capable of extended drain intervals when using their filters, however I would recommend the OP perform a UOA (used oil analysis) at 10,000 miles before committing to a longer interval.

Even if an oil is capable of extended drain, many factors need to be considered, including (but not limited to) fuel dilution, contamination due to excessive blow-by, faulty air filtration, frequent short trips in cold weather, etc. This is why a UOA should be performed before jumping in with both feet.

[jwibbity]

thanks alot for the info on the analysis stuff, had no idea about it. so ill switch sometime here in the near future and keep you guys posted if i run into any problems

[jwibbity]

Just filled it up with Amsoil Full Synthetic 5W-20. Runs alot smoother, well worth the 10.15 a quart.......ouch!!!!!, but i will definitely recommend amsoil to all members