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Old 11-13-2013, 03:42 PM
prostar205er prostar205er is offline
TT Regular
Join Date: May 2013
Boat: ProStar 205, 1994, LT1
Location: Naperville, IL
Posts: 74
Originally Posted by CantRepeat View Post
I'm using the gauge. But, even when the gauge gets to 160 that doesn't mean the engine and oil are at that temp. The oil takes longer to warm up so I run the engine up to 1500 so it happens a bit faster. Yes, the main reason I warm the oil is to help change it.

Those exhaust hoses that run from the exhaust manifolds to the mufflers and from the mufflers to the transom will burn up and normally collapse inside before you do damage to the engine.

Like some here have said, if you have adequate water flow and you don't over rev the engine you probably wont hurt anything. For me, I want to error on the side of not taking chances.
Thanks Tim. Makes sense. Is 160 the tipping point before it opens?

After you get it there, do you drain all the water or just fill your tub with AF and let it suck it in to replace the water. (Seems to be a few schools of thought on this so wanted to see what your process was.)

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