amirza786
Senior Member
- First Name
- A
- Joined
- Oct 4, 2018
- Threads
- 87
- Messages
- 3,854
- Reaction score
- 3,947
- Location
- Northern California
- Vehicle(s)
- 2022 Polestar 2, 2010 Lexus IS 350 Sport
A placebo doesn't last over 10k, which is how long I have had it in my transmission. But even if you think it's a placebo effect, if you believe the technical documentation Amsoil Synchromesh is superior to OEM due to high viscosity at higher temps, higher flashpoint, better shear protection and longer change intervals. The cost difference is negligibleI’m quick to call out a placebo. If I feel no difference I will let everyone know. But if it helps in any way I think the little extra cost would be worth it
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