chronic 95 camaro z28 transmission mount failure

hello all !
i have a 1995 camaro z28, 350, auto tranny, with about 130k miles.
i changed the transmission mount out about 2 months ago (~3k miles now) and about an
hour ago, as i'm leaving a traffic light, i hear that all-too-familiar "thump" under the seat floorboard and as i gas it leaving the light, and when it shifts into second gear.
is this a chronic issue with this series of camaro?? i'm thinking i probably need a more sturdy tranny mount, versus the ANCHOR Part # 2817 mount.
any suggestions are appreciated ...
happy holidays! michael

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