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Old 01-28-2019 | 07:53 AM
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Fourn26
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Default 572 supercharged
I’m looking to purchase a 42 sonic 1995 with brand news twins 500 supercharged

what’s the fuel efficiency
40 mph
and at wide open throttle

thanks

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Old 01-28-2019 | 09:22 AM
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​​​Did you mean 575hp
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Old 01-28-2019 | 11:58 AM
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Fourn26
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Looks like there’s 730hp by motor
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Old 01-28-2019 | 12:16 PM
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You need to post more info about the motors like what blowers if they are injected who built them? You have 572 and you have 500 what is the cubic inches.
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Old 01-28-2019 | 12:23 PM
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If you are at all concerned about fuel economy with a twin supercharged engines in a 42 performance boat, you shop for something else.
It will be less than 1 mpg. Probably closer to .75 mpg.
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