run your vin by a dealership, they can tell you what it was built with. my guess is it had a 3100 or a 3400 that blew up, and that got put in there. its a better engine then the other two pos engines.
you can get a open cone air filter and a pvc pipe and a rubber coupler. we call it a open cone diy air filter.
its looks like this air filter.
![]()