AUTOMATIC TRANSMISSION CONVERSIONS

Transmission adapter

Street, Strip or Custom Rods

OLDSMOBILE & CADILLAC

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TANSON - SACRAMENTO, CA  U.S.A - ( 916 ) 752-8790

9 a.m. - 5 p.m. Monday - Friday - Pacific Standard Time

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OLDSMOBILE  & CADILLAC CONVERSION

Convert your 1949 - 1964 Oldsmobile 303, 324, 371 or 394 to an up to date  TH 350, TH 400, 700 R4, 200 4R, 4L65E, 4L80E or Powerglide.  By cutting about 3" off the front of these newer transmissions and welding a new flange on keeps the transmission from getting longer.  This eliminates or reduces the need to modify firewalls or radiator placement.  Kit includes all adapters, bolts, fasteners and your modified case and flywheel.    Shifting linkage, vacuum lines, driveshaft and kick down apparatus may need to be fabricated or modified.  Picture below shows a TH 350 with modified case and flywheel.  Optional side mounts attached to a stock 1950 88 crossmember.  Cadillac does not need these optional mounts.  

Crossmember shown in picture is for illustration only.  Mounts may vary in appearance.  Flywheel shown is 1950 Oldsmobile with adapter ring.  Other years may or may not require adapter ring.

 

 

What we need from you: 

You will need to supply a clean empty case of your choice ( with the exception of the 200 4R which needs to use a  V-8 case only ) and the automatic flywheel ( and flex plate if used on you engine ) from the engine your going to use.  This conversion uses 11" converters only.  It's best to have your transmission case checked by professionals for any damage.  When ordering please indicate engine size, and car it's installed in.  Our mounts work with the stock crossmember for automatic transmissions.  This conversion takes about 3 months to complete.

1949 - 1964 .............................................................................. No. 5TC-F ...... $950.00 

Optional rear side mounts  ( needed for stock installation ) ..... No. 5TCM .... $155.00  

- CADILLAC CONVERSION -

1949 - 1954 ( see description for Oldsmobile ) .......................... No. 5TC C-F .... $950.00

 The Cadillac conversion should not require mounts if used in original application. 

For the Cadillac we will need a tracing of the engine bellhousing.

 

TANSON ENTERPRISES 9/21/15