So whats this kind of swap cost to do???

Converting to a magnum motor shouldn't be a big deal. The quickest way would be to use a regular electronic LA distributor, a Megasquirt ecu and the correct high pressure fuel pump if you want to leave it fuel injected. A magnum swap is way cheaper than a 3rd gen swap expecialy if your car originaly has an LA in it!!:toothy10:

not to sure on all the details on the mega squirt,,, ive seen one,it was a kit had to be assembled like an old heath kit ham radio kit,,, or the cost,,,,but to go to a carb the intakes arent cheap,,but yes easier then a 3 gen hemi,,, but now almost impossible to find a low mileage magnum motor,,,so theres the rebuild cost also,,