Originally posted by Cadracer
Just thought i would let you know all 305 came with 58cc heads.You can use the power pack head from the 283 but they dont have acc holes.Lets address the cracking issue.Go get a set of tbi 305 heads an have them done up.They have a better port design than the 283 an also if you dont have cooling issues why would they crack.just my 2 cents worth..
not ALL 305's came with 58cc heads. in the later 80s they came with the smog head that also came with the 350!!!!!!