Originally Posted by Gdads51
... the "PM" serial number prefix Utah John posted above is actually associated with 1946 Chevy 1/2 and 3/4 ton truck as RPO 318 (4 speed option) for that year. Looks like he has an original to his truck transmission. wink

Good to know. Thanks Dan!


~ John in Utah
1946 1/2Ton w/4-speed manual transmission w/1960 235 engine
Here We Go
Follow in his DITY Bay

- If you think about it, it has been one year ago today!