If you’re on a budget, as am I, I got a Dakota starter, like SlantsixDan spoketh of. It came from a recycler three or so years ago....so far, so good. Bolted right up!
Grumpuscreature: I just replaced the two outside manifold studs on my 273, didn't think about using any sealant. Do you think they should have been sealed? I don't recall if they tap into a water passage or not.