Greg I can't answer that other then to tell you mine has remote oil filters and has a dry joint exhaust risers. I have a closed cooling system meaning the internal cooling is closed and the raw water side draws from the water around the boat some people call it a half system, I believe it is a closed system (it's obviously not keel cooled). Other then a broken cooling hose clamp that popped a internal coolant hose I have not had any issues following the factory recommended service and replacements I'm in my 5th full season with a soup to nuts repower meaning the new complete 8.1L HO's, Borg 72C's and Walter V drives (RV-40's) were installed in 2008. My motors were built in 2007. I had the shafts, dripless and cutlass bearings replaced 2 seasons ago.
I have no corrosion issues and I run in brackish and mostly saltwater.
Bill
Bill, my point is that the add ons are different, only the blocks are the same. For the last few years, Crusader hasn't even offered a raw water cooled package.
I don't know if Merc offered a rawwater cooling version of the 8.1L when I ordered mine Greg?
It came with a closed or freshwater cooling system.
I know my oil pans are some kind of composite they will never rust that was standard equipment on the 8.1L HO's from Merc. Does Crusaider offer this? How about a single serpenteen belt system does Crusaider offer this?
Look I don't like gas engines but I have no complaints about my current Merc gas motors reliability.
Bill
One this I have found after just getti g a used boat with a vp the motor is a gm same as a mercruiser but when the get to the manifold the parts become vp and are more costly.
Bill, I don't want to get into a debate as to Crusader being better than Merc or vice versa. I was just takeing issue with your statement that the only difference in the two brands is the color. That is definately not correct.
I/O because that is what would be on a 31 ft boat.
I am looking at 5.0 closed cooling.
Merc and Volvo each have their own version of corrosion protection.
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