Fuel consumption on 5.7L -vs- 7.4L MercCruisers

eddiej

Member
Joined
Jul 18, 2002
RO Number
9395
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19
How big a difference is there? I may be going to look at a 1994 25' Crownline 250CR, 7.4L MercCruiser w/a Bravo II drive. The pictures of the boat look great but I have a concern about fuel consumption.

Would there be a drastic difference in fuel consumption if the boat were equipped with a 5.7L engine & outdrive? At WOT I know the answer would be yes, but what about at cruising speeds?

-Ed
 
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