working on my 1st street Duster ( the other 2 were track cars ) and I have what seems to be a easy question but being this is my 1st attempt at a LA engine A body I'd better ask. Will a 360/904 out of a 80's pickup fit in a 72 Duster? I know that it will physically fit but what I mean is I want to keep the P/S and A/C that's on the engine and my Duster has factory air but manual steering. I know I'm going to have to scrounge for a P/S gearbox at Pick-N-Pull. The car is a slant 6 now but I want to keep the A/C and add the P/S. Also I've been scouting aftermarket intakes and they all have a footnote stating that rotary A/C compressor will not clear 1978-later applications. Is there an aftermarket intake without the crossover in it that will coexist with A/C?