AMSOIL in Lower Unit

  • Thread starter Thread starter dirkpitt
  • Start date Start date
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dirkpitt

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I drained my lower unit yeasterday from Lucas 80-90 to Amsoil 80-90 Synthetic gear oil. I shit you guys not, I gained 300 RPMs. Now witha Yamaha 150 2 stroke with a 17x15 1/2 ss prop, I went from 4900 RPMs to 5200 RPMs and a gain to top end. For all that is holy....you have to try this stuff. It is marine grade and will mix safely with 10% water and still protect those expensive machined gears....Dirk
 
Amsoil is great stuff.....I run it in the rear diff of my car. I just changed my lower unit oil with Mercury's synthetic...next change maybe I'll go with the Amsoil.
 
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