My brother's friend has a engine that he's trying to find out the year and model of. It came out of a 72 Mach that originally had a 429Cobra jet, but they think this is a 351 cleveland due to the layout. The numbers don't look right to me but he says he got them off the back of the block
2F1 57(might be a T) 399
2F1 57(might be a T) 399