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looking for some info on a 550 swap, what parts do i need, just head jugs and pistons? or do i need the head and other parts like exhaust?
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So are you wanting to swap the whole engine or are you wanting to just put a 550 rotataing assembly in what you've got now? I'd recommend just finding an intact 550 rather than tearing what you've got down.
I used the same carburetor from the 440 when I did my 550 swap. All I had to do was tweak the mixture settings a little bit.
My 550 came with the exhaust manifold so I'm not sure about using the 440 exhaust, but I dont see any reason why it wouldn't work. The 440 exhast would not mate up properly since the 440 and 550 are machined from the same block and crankcase.
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i am a bigger guy 215lbs and i need a tad more low end, it handles good when im up but takes a few seconds to pull me up
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The biggest difference I notice between the 440 and 550 is the low end power more than the top speed. I think a 550 driving a 440 pump with a good stainless impeller ought to be stout enough to move you pretty well.
As far as engine mods go, I dont really get into those. I know there's a folks here who have a different philosophy, but I like to keep my engines pretty close to stock. In my experience, they're more reliable that way, and I'd rather sacrifice a little bit of performance for knowing that when I hit that little green button it's going to crank easily and run well.
hello from cali
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