Spray Hylomar would be the best choice for the intake manifold, the Reinzosil would probably be the best choice for the oil pan where there is a larger gap , either that or next time I'm probably going to use Loctite 518 gasket eliminator on the oilpan ( anaerobic sealer ) simply because I have tons of the stuff, but I wouldn't use permatex ever again. that crap starts leaking too soon