Originally Posted by lightning jet
(Post 3532671)
Do I get my boat back when your done lol:evilb:
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Originally Posted by bdubs
(Post 3532476)
I need to hurry up and buy a house. I have my eye on a couple boats that would be perfect for an LS swap.
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Originally Posted by Keytime
(Post 3532440)
Hmmm... must be an IL thing.
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I love the LS motors for a hot rod but they have their limitations compared to a BBC.
6.2ltr and below will handle the boost but on a 27+ foot boat do you want to cruise in boost....sucks fuel and kills the valves. So you want to increase the CI...not much room on the bore so you spend big money on a longer stroke crank that the block will accept but flexes the since it is alum...then you go for an iron block (like ilmor) and you find that you are limited on thin deck heads for the boost so you spend more money on an LSX iron block with 6 bolt heads...piston oilers, better rods, better valves....when you are done you have an engine that will live in a boat at 800hp....could have bought a 598 ci NA BBC. its a good engine choice in NA form for a 27+ ft boat when you cant fit BBC's or you need to lighten up the transom.... JIMKID has an awesome setup but i am sure that the price tag for those little monsters is very much inline with the brand boat. LS comes up as a price and reliabilty thing....my opinion is that 500hp and below or in a small boat that is true. above 500hp BBC is still the way to go. |
I am doing a build for myself over the next year or so on a 27 Mag and considering LS's now. Plan to stay under 500 hp no prob, my original target hp was 450. What are my pro's and con's with the LS? What exhaust is available and how much $$$?
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I have been giving it some thought ,a pair of those in my 36 Cat and #6 Arnesons that weigh 157 # Spin one engine CW is all ,balances the boat perfect.
The thing is weight (you can recover with HP but pay a fuel price) and those motors are LIGHT, Lookin at this thread and the drawings are on my wall (as a Keep sake) from this boat and 2 1/2 times the power with great reliblity gives me some thought!! http://www.youtube.com/watch?v=h1csGLgX4tk |
When i race a 30 DW i thought that would be a sick boat with a pair of hot small blocks and Arnesons as well but how bout a twist Steve. How bout a bustle and rudder with fixed Arnesons?
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Originally Posted by glassdave
(Post 3559972)
When i race a 30 DW i thought that would be a sick boat with a pair of hot small blocks and Arnesons as well but how bout a twist Steve. How bout a bustle and rudder with fixed Arnesons?
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Originally Posted by glassdave
(Post 3559972)
When i race a 30 DW i thought that would be a sick boat with a pair of hot small blocks and Arnesons as well but how bout a twist Steve. How bout a bustle and rudder with fixed Arnesons?
Great Idea,That would work and eliminate cylinders (weight)on the Arnesons,and the drives need someting over them anyway,Platform or whatever. |
Originally Posted by glassdave
(Post 3559806)
I am doing a build for myself over the next year or so on a 27 Mag and considering LS's now. Plan to stay under 500 hp no prob, my original target hp was 450. What are my pro's and con's with the LS? What exhaust is available and how much $$$?
http://www.mastmotorsports.com/2010/...=Marine&id=396 |
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