Inside a Mercruiser 165 Manifold

50170

Cadet
Joined
Aug 1, 2012
Messages
13
My manifold is bad. I cut it open to see how it is made. I am reasonably confidet I can recreate this manifold at work in mild steel, then rework in stainless. I will also reverse flow and baffle to fix the cracking issue. I am also cutting some weight. I will post pics on my progress.man1.JPGman2.JPG
 

Bt Doctur

Supreme Mariner
Joined
Aug 29, 2004
Messages
19,111
Re: Inside a Mercruiser 165 Manifold

for $489.00 its not worth it
 

Pete104

Lieutenant
Joined
Apr 30, 2011
Messages
1,439
Re: Inside a Mercruiser 165 Manifold

+1 for Bt Doc!

But thanx for the insight.
 

kmarine

Chief Petty Officer
Joined
Nov 5, 2010
Messages
581
Re: Inside a Mercruiser 165 Manifold

I recomend looking for an aftermarket manifold and spending the extra time out boating insted of building one. A cast manifold should also run quieter
 
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