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61 DeVille

Started by Andy Brooking, August 30, 2010, 06:40:07 PM

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Andy Brooking

August 30, 2010, 06:40:07 PM
Hi, I have a 61 DeVille and would like to repower it. It has a 390 currently and I would like to go big block. Can anyone advise me on what is going to be able to fit without any chopping or modification to the engine bay and where I can get a new motor for it. Thanks

35-709

#1
August 30, 2010, 06:51:52 PM
Andy, you might be better off asking your question at the Modified Chapter of the Cadillac LaSalle Club   http://www.modifiedcadillac.org/
Geoff N.
1935 Cadillac Sedan resto-mod "Big Red"
1973 Cadillac Caribou - Sold - but still in the family
1950 Jaguar Mark V Saloon resto-mod - Sold
1942 Cadillac 6269 - Sold
1968 Pontiac Bonneville Convertible - Sold
1950 Packard 2dr. Club Sedan
1935 Glenn Pray - Auburn Boattail Speedster, Gen. 2

TJ Hopland

#2
August 30, 2010, 08:42:47 PM
Yep the guys on the Modified board will have details for you.   If you decide to sell the 390 please post it here so it can keep another Caddy on the road.
73 Eldo convert w/FiTech EFI, over 30 years of ownership and counting
Somewhat recently deceased daily drivers, 80 Eldo Diesel & 90 CDV
And other assorted stuff I keep buying for some reason

Dan LeBlanc

#3
August 31, 2010, 07:01:34 PM
Well, you have three choices:

1.  A Cadillac 390
2.  A Cadillac 390
3.  Well, you get the point.

Swaps have been done to BBC's, newer Cadillac engines, etc, etc.  Unfortunately, these cars don't accept anything other than the 390 without a lot of modification and alteration.  The Cadillac 390 in top form and well tuned will give years of reliable, powerful, service.  They'll cruise at 80mph all day long, do burnouts, whatever you need to get your kicks. Keep in mind, this engine is well designed with mounds of torque bare bones stock.

In the end, rebuilding a 390 is usually the best option if yours is old and tired.

What exactly are you looking to accomplish with a swap?
Dan LeBlanc
1977 Lincoln Continental Town Car
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