hi, thanks a bunch for the info! i thought they were probably close since as you said the chasis on the a bodies were pretty much the same. but since i had not done this type of swap thought i would check with some one who had a little more knowledge. i have a good running buick 350 i pulled from my 72 skylark & installed a 430 from a 69 riviera gs, (hence my user name 430-4). i have found a few other interesting gm's that are in need of an engine but didnt want to get in too deep because of other ongoing projects. the car i was really considering was a 72 cutlass that came with a 350. i would think that wouldnt be too hard. since then some other interesting cars have become available. 66 tempest that came with a 326 is a front runner. do you think that would be a fairly easy swap or not? keep in mind i realize almost anything can be done but i'm not looking to get into any MAJOR fabricating or reworking on this one. also how about 72 buick 350 into earlier skylarks, such as 67 that came with a 340. thanks again for your help!!! i'm going to check right now to see if i can help someone else.