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Chris Craft
 BoatUS Boat Groups/Manufacturer Forums>>Chris Craft
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Tim340
"Seaman Recruit"




Joined: April 10 2011
Posts: 1
Posted: April 10 2011 at 10:10 | IP Logged Quote Tim340
I have  A 1982 280 With a 305. Has any one changed the Manifolds to center risers? Thanks Tim

Edited by Tim340 on April 10 2011 at 10:34
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Nauti Cat
"Commander"




Joined: September 14 2007
Posts: 1047
Posted: April 10 2011 at 22:22 | IP Logged Quote Nauti Cat

Hi Tim, welcome to the forum.  Try posting this up in the Catalina forum...a big bunch of extremely knowledgable skippers over there and chances are one of them can answer your question.  When I bought my 1985 280, the motor had just been replaced with a Mercruiser Magnum 5.7L/350 and it has the center riser manifolds so I do not know what is entailed in making the swap, but I am sure it wont be too difficult. 

 

Tom

 



__________________
Nauti Cat in NY
Formally owned by a
1985 Catalina 280

"MY WAY"
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diveryates
"Lieutenant"




Joined: January 02 2007
Posts: 830
Posted: April 12 2011 at 12:27 | IP Logged Quote diveryates

Tim340,

Great question!

The reason is there's little room under the engine hatch for a aft riser, let alone a center riser. To make the driveline angle needed to penetrates the hull aft, the engine angles up, going forward. The center portion of the manifold is too close to clear the hatch- there's little clearence. Having a flat, uninterupted cockpit sole was what CC was going for here.

best, diver 



__________________
Roy & Laurie, S.F. Bay Area
'83 280, hardtop, single 305
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