Quote:
Originally Posted by abutterman
anyone try amsoil 80w-90? any thoughts on it?
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I went with Amsoil in the tranny and the dif as linked below and I'm very pleased. It is not going to be buttery as the Pentosin. I wasn't really looking for that, though. With the Amsoil at the recommended weight, shifts are somewhat smoother than stock, but the difference is not enormous. I recommend it if you aren't trying to correct a problem you have on the factory fill. If you're really looking to change the tranny behavior before warm up it's probably not what you want.
http://www.amsoil.com/mygarage/Vehic...3+SUBARU+BRZ+4