Does this look normal inside the manifold?
Manifold Photo
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Is this part of chasing the same low power issue? As Dan said, the exhaust passage pictured looks pretty normal to me. 105°~120° RWC is normal depending on the surrounding water temp (late model cooling system).Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
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I also had the 140° stat when I was RWC. I never saw a temp above 120°, never a performance problem either. I now have no stat, FWC (a game changer) and run around 180°.Neil
1977 Catalina 30
San Pedro, California
prior boats 1987 Westsail 32, 1970 Catalina 22
Had my hands in a few others
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