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1999 150 efi Murcury

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#1

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04-11-2011, 07:47 PM

captpete13 captpete13 is offline

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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

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04-11-2011, 08:22 PM

reelapeelin reelapeelin is offline

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http://www.boatpoint.com.au/engine-r...y-150-efi-8250

Is this it?...

And here's something for the Merc fans around here...

http://forums.iboats.com/Mercury-Outboards/1999

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#3

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04-11-2011, 09:03 PM

spareparts spareparts is offline

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its a 2.5L 150

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04-11-2011, 09:49 PM

THEFERMANATOR THEFERMANATOR is offline

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Quote:

Originally Posted by captpete13

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

2.0L's were the only V-6's with the 2:1 ratio, the 2.4L+ all had the 1.86:1 in them. A 99 150 EFI is going to be a 2.5L.

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04-12-2011, 06:11 PM

SURFERJRB

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It is a 2.5.

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