1999 150 efi Murcury

[captpete13]

Originally Posted by THEFERMANATOR

A 15 pitch prop in the MIRAGE line may be a better choice as that 99 150 will have the 1.86:1 lower unit in it. Expect WOT speeds around 40-43 like Reel said, but fuel burn numbers on that engine should be around 12GPH at 3800-4000 RPM's and 18-19 GPH at WOT if it is like my 95 150 EFI I had.

I thought 150's had a 2:1 gear ratio