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Old 02-14-2007, 12:34 PM   #1
cudacat
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buick 455 motor

hello, i'm new to this site and just wanted to say hey! i am looking for some info on a 455 buick motor i just bought, maybe i can gets some help. ok for starters this motor is not going to be put in a car. its going in a boat, the last three numbers on the block are 681. i think its a 71 or 72 year model. was rebuilt about 50 hrs ago. dont know what all they did and i dont know the hp. but anyway my question is how do i find out the hp and what do i have to do to get that motor to produce about 400 hp. i dont know what to do... sorry for the long post.
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Old 03-06-2007, 04:09 PM   #2
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Re: buick 455 motor

thanks for the help
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Old 03-08-2007, 02:09 PM   #3
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Re: buick 455 motor

Edelbrock performer aluminum heads matching cam and intake should do it.
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Old 03-08-2007, 02:10 PM   #4
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Re: buick 455 motor

thanks!
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Old 03-13-2007, 07:43 PM   #5
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Re: buick 455 motor

Check out www.v8buick.com, there is a TON of info there on the 455, and several guys with them in boats.
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