86 chris craft alpha1 gen 1

coolhaven

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Apr 21, 2011
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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
 

Flysfloatsor

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Oct 7, 2010
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Re: 86 chris craft alpha1 gen 1

Dumb question, but did you get the correct part?

Post pics of your CC! Check out mine on my profile.
 

coolhaven

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Apr 21, 2011
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Re: 86 chris craft alpha1 gen 1

Yes did get the right part.....just the water intake is smaller (dia) wise..the hose that connects the lower unit to the gimbel housing on mine is like 5/8 hose new one is 1/2 hose everything else matches..The exhaust cutouts on mine are angled down new are straight out to each side? it is an alpha 1 gen 1 no question about that but did they change them up any?......i`ll try and get some pics tomorrow. might be easyer to show than say.....thanks
 

coolhaven

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Apr 21, 2011
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Re: 86 chris craft alpha1 gen 1

Well after some looking around i found what i was looking for.....86 was the first year for the alpha 1 gen 1........85 was the mr series.....well back looking for the right one.
 

coolhaven

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Apr 21, 2011
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Re: 86 chris craft alpha1 gen 1

Thanks Flysfloatsor....I was going by the mercruiser engine/drive year model reference chart..it states 83/84 was the first year of the I-R drive....85 was the I-MR drive...86 the alpha drive? i understand they do interchange but they updated every year..I`m still new at this but i`m learning ;)
 
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