CMI exhaust
#22
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#24
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MAN that is just crazy! I'm assuming that you have talked with "Smarty" here on OSO about this.....
Good luck.
Dean
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#25
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I think the Etops are the stronger of the two I run in rough water all the time had them on two boats.I run with my friends who have newer boats the swept headers on two of my friends boats have had problems one small one bad. But down here in FL we run them like we stole them. All the hard bouncing I think is what brakes them. Just my thoughts. I'm not a pro but know people who've work on race boats for a long time. I've been in the shops and seen a bad header trash alot of motors .
#27
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Join Date: Nov 2004
Location: Palm Coast, FL
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We sell both the CMI GEN-X header http://www.keitheickert.com/p-14849-...0-engines.aspx
and the New Hardin Hurricane Lite as direct replacement headers for this application to reference two different styles. http://www.keitheickert.com/p-15770-...mi-flange.aspx
#29
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The short version; Motor, drives, etc. 2007, rigged in 2008 on new Avanti hull in Spring, 2008, During rigging we noticed one header had pit holes on the lower distribution track. Replaced by Merc, under warranty. Boat, motor, drives are in, boat running great, 2008-2009. Checking routine compression late 2009; problems. ALL headers were leaking, including the new, replaced one. Engines had valve issues. Luckily nothing major. Engine uppers, (valves springs etc) redone. Headers shipped to CMI, CMI confirmed the leaks, fixed them (I Paid shipping, paid for polishing which was not done by CMI, etc.). After gezzillions of $'s boat back in good running order. Late 2010 routine check. Two headers are leaking again. Engines were riligiously flushed, headers drained, etc. Motor dino. AWSOME, 580HP, I got lucky again, no motor issues. Headers fixed, purchased new, boat running great.
CMI diplomatically told me to go fly a kite.
I went kite flying and came up with a conceptual design that will ELIMINATE ALL leaking header issues. Plans are in the works, will post on this soon, but I think I got the issues solved. Out of the box thinking, but it works, fab shopes are making proto type. Warranty: LIFE TIME. well ok not life time, but 10 yrs. is good enough, and even if your X wife puts a hack saw to it, it won't hurt the motors. Any interest?
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raceface65 (03-02-2024)
#30
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