I have a 1979 Cat 27 TR with Atomic 4.  I have an Engine Manual I'd be happy to 
Xerox and send to you.  Lotsa good skinny in it.  Mine requires maintenance 
from time to time, but it purrs (hums) like a C-130's jet engine.  Hasn't 
failed me in any major way yet.  You gotta be an engine sniffer as it is 
gas-driven.  Max rpm is 3600, producing 30 Horsepower (dunno shaft hp), but I 
cruise at hull speed (considering wind, waves) at about 1500-1650 rpm.  I 
installed a tachometer.  Have been out on Lake Michigan in 6 footers and gusts 
up to 38+ knots on the nose and the A4 got me to my destination.  Anyway, blah, 
blah, blah.   Lemme know if you want the manual; there are two models ---early 
and late, and some accessory equipment is different.
       moyermarine.com    is a great source of info and parts with good 
directions.

Jim Huhta S/V "SEA-130" Hull 4402    Sturgeon Bay, WI 920-743-1994 


--- On Fri, 7/25/08, Patrick R Ford <[EMAIL PROTECTED]> wrote:

> From: Patrick R Ford <[EMAIL PROTECTED]>
> Subject: catalina27-talk: 1976 C 27 Std rig  Atomic 4
> To: "IC27A" <[email protected]>
> Date: Friday, July 25, 2008, 8:03 AM
> Listers,
> Anyone have a 1976 C 27 with an Atomic 4, or have knowledge
> of same ?
> ?? Reliability of Atomic 4--speed at full
> throttle--performance--etc ??
> Pat


      

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