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-   -   Another reversion thread. (https://www.offshoreonly.com/forums/general-q/336458-another-reversion-thread.html)

corey331 04-16-2016 07:17 PM


Originally Posted by SB (Post 4429161)
Yes, exactly..... In the 3" dry part. I would put it further back towards, but not right at, the primaries because if you out it towards end of collector, water from top of collector can and will fall back into dry part as it runs over and some is sucked back. CAll Lighting and see if they have ever done this. If not, they should. Like I said, some of the other exh companies have learned this and do it standard or optional..depending on the company.


Yeah, my first call Monday morning will be to Lightning. Thanks again!!!

Boatally Insane 04-17-2016 08:06 AM

I had Eddie Marine extend my tails..
They necked the extension pipe down some then added a flare help throw the water against the exhaust hose and to prevent it from running back up the pipe...


http://i130.photobucket.com/albums/p...pscvxbozph.jpg

getrdunn 04-17-2016 08:54 AM


Originally Posted by corey331 (Post 4429165)
Yeah, my first call Monday morning will be to Lightning. Thanks again!!!

Lightening very good company. My first set came from them in 1992. They've come a long way since then. With price also. I paid just over 1k a set back then. Regardless they will work with you and get your problem solved.

corey331 04-17-2016 10:00 AM


Originally Posted by getrdunn (Post 4429267)
Lightening very good company. My first set came from them in 1992. They've come a long way since then. With price also. I paid just over 1k a set back then. Regardless they will work with you and get your problem solved.

They were great to work with when I initially ordered these as well. He talked me into the extended collector to help fight reversion. I have no doubt he will be able to help me through this. I know I can weld the collector even longer if I have to, but then I will no longer have flappers to protect from a wave hitting the transom.

Thanks again for all the help and input guys!!

Griff 04-17-2016 12:54 PM

If you extend all the way through the transom, you could install some Shotgun muffler tips to prevent wave intrusion.

corey331 04-17-2016 02:25 PM


Originally Posted by Griff (Post 4429342)
If you extend all the way through the transom, you could install some Shotgun muffler tips to prevent wave intrusion.


I think I have all but talked myself into just buying dry exhaust. I have a slight case of OCD so I know unless I go dry, I'll always be worried about it. Plus the thought of putting mufflers on exhaust that is wet makes me cringe, lol. If its to loud dry, then I'll look into a set of mufflers.

SB 04-17-2016 02:31 PM

Well, there you go.

You solved your own issue.

Vmax 04-17-2016 03:22 PM

I just pulled my EMIs number 6 had little gasket contact and appears perhaps exhaust leak caused some reversion. Next set of gaskets direct from EMI to better match manifold opening. I tested manifold and no leaks internal. Now I now cause of demise. Lucky no water to oil.

corey331 04-18-2016 05:55 AM


Originally Posted by SB (Post 4429372)
Well, there you go.

You solved your own issue.


Yeah, I think so. I had just gotten home from the initial fire up when I made this thread, I wanted some other input. But after sleeping on it, I knew the only way I was going to feel good about it was to eliminate the chance of water getting in all together.

Thanks again for all the replies guys!!! It's great having a place to bounce ideas off of folks with a lot more knowledge than I have!!

SB 04-18-2016 07:09 AM

This design is what is used a lot now in circle track racing....I think would be great in wet exhaust too, but with a few design changes.....

http://www.grumpysperformance.com/archamber.jpg


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