25' Carolina Classic

[abedard]

I am thinking of buying used 25 foot but want to get some info on why so many used 25 footers have new engines. Seems there are quite a few that are 4-5 yrs old with new power. Is there a flaw in design that causes this-when repowered are there on going problems with engines. I live in on Cape Cod and there are half dozen boats around for sale. Would appreciate and info. Is this a wise cholice or am i asking for problems.

[billh1963]

Do a search on " water ingestion". You'll learn everything you want to know.

[outriggers]

According to Carolina Classic the only engine they recommend is the Crusader 8.1l engine. Mack said that it's the only one that they haven't seen the water ingestion on. Crusader has done some proprietary work on their manifolds to prevent this.

I just repowered with one. It's a tight fit but do able.

[xl883lo]

According to Carolina Classic the only engine they recommend is the Crusader 8.1l engine. Mack said that it's the only one that they haven't seen the water ingestion on. Crusader has done some proprietary work on their manifolds to prevent this.

I just repowered with one. It's a tight fit but do able.

Outriggers,

They are putting the 6.0 in the new 28s....is it "too small" for a single in the 25?????

Abedard,

Water ingestion is primarily a GM bigblock problem.......due to excessive valve overlap and manifold/exhaust design. It is worse in some engine boat combinations than others .......CC's are more susceptable because they, like many inboards, have "thru hull" exhaust.

[outriggers]

I would say it's too small. Horsepower is there but the torque is a lot lower.

T my understanding the cam profile has been changed on the big block marine engines. The muffler on the 25 is a water lift type that helps protect against ingestion also. Mac recommends running the engine at about 2k for a couple of minutes after stopping to dry out the manifold area as extra insurance against dampness that can cause rust on the valves etc.