I would not buy an engine from an eBay seller, especially not one who has less than 100% positive feedback, this guy is at 95.7% in only 168 transactions.
That engine will need a bunch of rework on the pulleys or a firewall cut to fit in a Pantera.
Look into the Tim Meyer Precision Automotive Machining Cleveland aluminum block, it is much more advanced than MME.
http://www.tmeyerinc.com/
Julian
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