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Boat Gas Mileage

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Old 03-28-2011, 12:27 PM
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one gall'n two gall'n three gall'n gone!
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Old 03-28-2011, 12:39 PM
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The gas is the cheap part. I has a set of 600's that pegged the monitors at WOT and they stopped at 65/gal/hr each
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Old 03-28-2011, 01:39 PM
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we checked the other day we get 2.8 mpg total both motors at 55mph 3000rpm awsome
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Old 03-29-2011, 10:23 AM
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Originally Posted by JIMKID Motorsports View Post
we checked the other day we get 2.8 mpg total both motors at 55mph 3000rpm awsome
It is indeed.

For reference what is the tab on those engines fully marinized like you have them in the boat?


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Old 03-29-2011, 02:22 PM
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there about 30k each not bad
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Old 03-29-2011, 06:42 PM
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Originally Posted by JIMKID Motorsports View Post
there about 30k each not bad
for that price you could get some yanmar diesels and probably have similar performance and even better mpg.
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Old 03-30-2011, 07:40 AM
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One of my friends had the same boat it was around 75ghr at wot
Originally Posted by Fountain4402 View Post
i have a 91 29 fever with twin 454 anybody have any past experience or data on this
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Old 03-30-2011, 03:48 PM
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Originally Posted by Jeff P31 View Post
Checked the price of diesel lately ? Not to mention the price of yanmar's .
Here diesel is less than super, and he said his motors were 30K each same as Yanmars.
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Old 03-30-2011, 05:08 PM
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Originally Posted by pstorti View Post
for that price you could get some yanmar diesels and probably have similar performance and even better mpg.
Might have similar mpg, but the performance would not even be close.

I get 2.0mpg running 55-57mph @ 3500rpm with my 598ci N/A, pushing about 750hp. I have no clue what it burns at WOT 6000rpms though. and I would probably cry if I did know.
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Old 03-30-2011, 05:47 PM
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Originally Posted by pstorti View Post
for that price you could get some yanmar diesels and probably have similar performance and even better mpg.
Way better MPG for sure.

I dont think performance would be anywhere close.

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