Had the Chev guys back in the 70s scream high almighty when I put a 302 in a.72 corvette, when asked why my reply was I had it and 350sb were hard to come by , as for a chev into pinto I only saw one , car was cut up to make it fit , why cut up a good pinto , unless it's a rust bucket, as for a LS motor I have no idea ,