TR7 4-Speed Overdrive Conversion

Click the image to open an advertisement for an overdrive conversion that was available back in the day for the TR7 4-speed.  It was offered by Coombs and Sons Limited, and includes a write up on the conversion by Motor magazine.  Courtesy of John Lucas

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Triumph Wedge Owners Association:  Formerly the TR8 Car Club of America
TWOA is an Affiliate Chapter of the Vintage Triumph Register