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Transmission Upgrade . . . 1957 Eldorado

Started by 27913, February 21, 2017, 08:16:05 PM

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27913

February 21, 2017, 08:16:05 PM
Is there any member out there who has previously installed a 700R4 in place of the original Turbo-Hydramatic in their '57 Cadillac? 

I am in the process of this upgrade in my '57 Seville and wonder if there might already be a modified cross member available . . .

cadman56

#1
February 22, 2017, 11:10:52 AM
You might try the Modified Chapter's forum.  Larry
1956 Cadillac Coupe deVille (sold)
1956 Cadillac Convertible (sold)
1956 Cadillac Eldorado Seville (sold)
1967 Cadillac Eldorado (sold)
1968 Cadillac Convertible (Sold)
1991 Cadillac Fleetwood Brougham dElegance
Larry Blanchard CLC #5820

Jon S

#2
February 22, 2017, 11:52:02 AM
Quote from: 27913 on February 21, 2017, 08:16:05 PM
Is there any member out there who has previously installed a 700R4 in place of the original Turbo-Hydramatic in their '57 Cadillac? 

I am in the process of this upgrade in my '57 Seville and wonder if there might already be a modified cross member available . . .

The original transmission is not a Turbo Hydramatic but rather a 4 speed dual range Hydramatic. I had a 700r4 in a 1984 Oldsmobile 98 and was never impressed with it. The original 4 speed is a heavy duty work horse.
Jon

1958 Cadillac Sedan De Ville
1973 Lincoln Continental Coupe
1981 Corvette
2004 Mustang GT
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