to my knowledge jason (don't hold me to this...i'm new, lol) but aren't like...all stright 6's compatible? i know that a 250 will be a little longer then your 235...or like to think i know. so yea...i think it'd fit. but then again...like i said, don't hold me to it.
just my 2 cents...well, prolly half a penny after taxes.

SamWise

1967 Chevy II, 2-door post.
250, 3-OTT.

1969 GMC 1/2-ton.
307, 3-OTT.
DD.