Hello all............new here and have a question. i`m replacing the gimbel housing on my 86 chris craft (305.200hp.alpha 1gen1) my question is are there any differents in the gimbel housings. i have noticed a few different thing on the replacment one. like the exhaust outlets are smaller.water pump intake is smaller. a couple of other things...i think the replacement came from an 85 searay 5.0..thats all i know about it....going to need replacement parts and would like to get the right stuff...........thanks.. and really like this place.............mark