[bbm]

I Have 2 4-bolt 350's Both Have "wh" Id Code. Casting #'s Are 3956618 W/b-11-9 Date Other One Is 3932386 L-13-8.thanks In Advance.

 

[68 RS 302]

This should help:

WH 1966 283 Powerglide, A.I.R. - 175 2 C-10 to 25
WH 1968 307 m/t - 200 2 K-20 & 25
WH 1969 350 m/t, A.I.R. - 255 4 C-15, 25, 35

Looks like you got a truck engine. Good starting platform. Its where I started and built mine into a 415 horse ford eaten MACHINE......LOL.

 

[bbm]

Thanks for the info. I thought maybe it was truck,but did't have a book with truck codes. When did they start putting the T as the 1st letter for trucks? 1970 when thet went with three letters ?