Were there any major differences in intake design for 350s? In looking for a iron 4bbl manifold ive wondered if older (68-69) ones could be used on a 72.
From 68 to 80 I believe they'll all bolt on and work. From 72 thru 80, they had EGR in some form or another, or the A.I.R. pump plumbing.
As Mark said, some '72 had the air pump or EGR (I believe these may have been on California models only). '73 and up definitely had the EGR at least. Also, in '72 and up for some years the idle solenoid bracket was different then on '71 (the first year for the idle solenoid) and previous years (which just used a dashpot)
