Is it a 383 or a 361?
Should also be a letter before the c.i. displacement number, ie: D383 will be a '68 383. "A" is '65, "B" is '66, and so on.
Should also be a letter before the c.i. displacement number, ie: D383 will be a '68 383. "A" is '65, "B" is '66, and so on.
