1969 Cadillac Deville Convertible; swap 472 for 454 + 700R trani - Cadillac Forum - Enthusiast forums for Cadillac Owners


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Old 06-09-2009, 08:11 PM
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Default 1969 Cadillac Deville Convertible; swap 472 for 454 + 700R trani

Hows it goin? New to this, but im thinking about doing an engine swap on my Caddy from a 472 to a newer 454 long block with a 700R transmission. i want some advice on this whether i should do it or will there be problems in the future with this. Also would i have to do some conversions to the engine compartment or shorten the shaft. Please help me out!

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Originally Posted by MY69CAD View Post
Hows it goin? New to this, but im thinking about doing an engine swap on my Caddy from a 472 to a newer 454 long block with a 700R transmission. i want some advice on this whether i should do it or will there be problems in the future with this. Also would i have to do some conversions to the engine compartment or shorten the shaft. I want to give the car more power and just be reliable. Please help me out!


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Old 06-10-2009, 02:13 AM
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it might help to know why you are doing it ...


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Old 06-10-2009, 12:21 PM
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Default 1969 Cadillac deville Convertable

Im thinking about doing it because, the engine is old and things keep going wrong with it left and right. i want to get a 454 long block and totally gut it out and redue the whole thing with the parts i want. i want it to have some power and be reliable and also run smooth.
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Old 06-10-2009, 01:35 PM
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Im sure it would be possible. But if it were me I would redo the 472. That engine is 375 hp stock. With minor mods you could get good power from it yet still run nice. But just an opinion. I have a 70 coupe deville and thats my plan.
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Old 06-10-2009, 03:13 PM
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Default 1969 Cadillac deville Convertable

I havent baught anything for it yet. Just want to get some opinions before i make a purchase that im going to regret!
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1969, 454, 472, cadillac, convertible, de, deville, engine, manual, mods, motor, swap, swaps, transmission, ville

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