455 swap into Cutlass

Old October 19th, 2016, 08:08 AM
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455 swap into Cutlass

I have a super nice '73 (I know it's the wrong year) Cutlass that just cries out to be a "sleeper"...no rust...71K one owner miles..never hit or dented.....It's dead stock except for the exhaust system...found an F block (standard bore) 455 that magnafluxed perfectly clean...talking to a friend that has built several and done similar conversions and looking for around 450-500 hp and maybe 500 torque...Just in the early talking stages right now but wondered if anyone has done anything similar? Like I said..just looking for a sort of sleeper....Older guy here that is just wanting a bit more of a go toy than what the car is right now..thanks for any comments.
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Old October 19th, 2016, 08:11 AM
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Its been done countless times, very easy swap.
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Old October 19th, 2016, 08:31 AM
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Originally Posted by oldcutlass View Post
very easy swap.
Considering that it was a factory option in 1973...

400 HP and 500 ft lbs were also factory numbers for 1970.
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Old October 19th, 2016, 08:51 AM
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You may also want to look into rear gears. Most base Cutlass models had 2.56 or so gears.
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Old October 19th, 2016, 08:28 PM
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There's nothing wrong with a '73. My dad had a '70, '73 and '77 442's. In fact when I was born, my first car ride was in a brand new '73 442. Good luck on the project, a 455 will be a super easy task.
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Old October 21st, 2016, 11:41 AM
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following along, The Saloon style, has been growing on me more and more over the years, I would LOVE to get a 73 and drop a 455 and a 4 speed, in her, I know the pedals were made but probably very very hard to find, I wonder if you could use the 72 pedal set up? anyway I digress following along on your project.
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