Your Thoughts on Aluminum Engine Blocks ??
#22
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This is the block I like
https://www.theengineshop.com/produc...num-block.html
what they say: MATERIAL: 357-T6 aluminum (strongest available
#23
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I personally would not use aluminum blocks. I dont see the benefit in a boat. Not as strong, not as corrosion resistant, cost a bunch more......Sure they are lighter, but I dont think you will see a big gain by shaving off 100lbs per engine. A dart Big M iron block, weights around 250lbs. A big M ALUMINUM block, weights about 140lbs.
A big M ALUMINUM block, has a cylinder wall thickness of .140 at 4.600. The iron version, .325 at 4.600.
Id take the strength, durability, and lower cost of the iron block all day over the aluminum block in offshore use. Drag car, maybe not.
A big M ALUMINUM block, has a cylinder wall thickness of .140 at 4.600. The iron version, .325 at 4.600.
Id take the strength, durability, and lower cost of the iron block all day over the aluminum block in offshore use. Drag car, maybe not.
#26
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I'd think that having similar materials with the block and heads be it CI or AL would be beneficial over mixing them, in theory, and losing weight is always a good thing. But then I read that losing too much weight in the rear can harm handling and that the extra weight of a stereo amplifier ahead of the boat's center of gravity will make it lose all of its top speed. I give up.
But i I say go for it and report back with the findings. 👍
But i I say go for it and report back with the findings. 👍