I don't get it. If it's leaking around the valve covers, he'd need Indian copper gasket cement for a cheap fix, but the best is to get OEM gaskets and lay them in, because they can stretch and get brittle with age. Is he running 'real' oil or synthetic? He needs to run synth because it's generally better on all the metal parts, though it'll end up 'cleaning' the inside and he'll have to replace the oil filter a little more often at fir--- ....
oh. oh! I get it! ...