I'll answered my own question...It's a GM transmission GKT-134 (not muncie, etc).

Last edited by Warpig; 06/06/2025 1:37 PM. Reason: typo

~ Rick

1947.1 GMC EC152 [228ci + 4spd]
"Love at Last"
Follow in the DITY
1968 Firebird [350-4 + th400]
2022 Tacoma
I've been more of a car guy - but always wanted to get an old pickup