ConcoursMustang Forums
1st Generation 1964 1/2 - 1973 - Questions & general discussions that apply to a specific year => 1964 1/2 - 1965 => Topic started by: J_Speegle on August 13, 2022, 04:48:25 PM
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Trunk Lid Hinge Arm - This post was originally part of a larger thread that included six different running changes so choose to separate out each to reduce the clutter
(http://www.concoursmustang.com/forum/gallery/14/6-251020170734.jpeg)
In the survey the highest San Jose sequential numbered example with the double thickness/reinforced trunk spring arm was - 5R09K173xxx
The lowest sequential number example with the driver's side trunk hinge without the extra reinforcement was - 5R09C1800xx.
A difference of about 7,000 unit numbers most of them being unrelated (to the subject) coupes.
(http://www.concoursmustang.com/forum/gallery/14/6-261020162158.jpeg)
Timeline suggests that the change over likely took place during the month of January 1965 at San Jose