Aluminum block in boats ??
Why don't you see more all aluminum blocks in the fresh water boats ? Are there any negitives to this in reguards to it being in a marine environment ? My current boat is all aluminum and I hope it serves me well,time will tell. hf...
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The only negatives are:
cost and much more sensitive to corrosion than cast iron. |
Cost, and most boaters aren't worried about trying to save 200 lbs in a twin engine boat.
In cars weight savings means increased MPG. We worry about GPM.......:lolhit: |
Most common aluminum blocks are probably 5.7's & 5.3 SBC's anyway they are still kinda pricey, the thing I ran into was making it stand alone power there is so much wiring, modules, & water sensitive stuff. The risk didn't seem worth the reward. IMO
For instance I just sold a blown LS1 with wiring harness basically stand alone power. Engine was totally disassembled & needed block, cylinder & head work. I was asking 3K got 2700.00 SOLD! |
Originally Posted by wannabe
(Post 3834298)
In cars weight savings means increased MPG. We worry about GPM.......:lolhit: :lolhit: |
One of my cat buddies has an aluminum Donovan 540 in his 26' Daytona . Only problem is getting and keeping heat in the oil and there are remedies for that .
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The 'Razzmatazz' 38 Flat Deck that sold not too long ago had some big Donovan aluminum blocks in it. I think they were like 622 or 632 or something like that.
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even in fresh water any aluminum block or heads are going to corrode...best bet is a closed cooling system and anti freeze in the engine...
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Cost..
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Good , Feel better now. hf ...
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