572 supercharged
#1
Registered
Thread Starter
Join Date: Jan 2019
Location: Qc canaca
Posts: 2
Likes: 0
Received 0 Likes
on
0 Posts
![Default](/forums/images/icons/icon1.gif)
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
what’s the fuel efficiency
40 mph
and at wide open throttle
thanks
#4
Platinum Member
![](https://www.offshoreonly.com/forums/images/icons/platinum_member_star.gif)
![Default](/forums/images/icons/icon1.gif)
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.
#5
Charter Member # 55
![](https://www.offshoreonly.com/forums/images/icons/charter_member_star.gif)
![Default](/forums/images/icons/icon1.gif)
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.
It will be less than 1 mpg. Probably closer to .75 mpg.