WTD: Imco Power Flow "S" pipe risers
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WTD: Imco Power Flow "S" pipe risers

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    Default WTD: Imco Power Flow "S" pipe risers

    I've got a set of Imco Power Flow manifolds with the S.A. riser. I'm not going to use the S.A. riser and will be selling them.
    However, I need a set of the "S" pipe risers to replace my stock Mercruiser BBC manifolds and S pipes.

    Whatcha got? Have cash, will travel or ship. Or, anyone have a hook up for new?

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    Senior Member Brendellajet's Avatar
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    If you are just looking for the S pipe, in a non jacketed format, you will be better off buying the stainless pipe and a couple of 90 degree bends and doing it yourself, or having it done...That way it fits.

    If you can weld this would definitely be the best bet. My bro went this route on his. Mocked everything up, tacked it together, and had a pro finish weld it, turned out really nice.

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    I assume I need it jacketed since I have no other place to return the water to the system. How/where did your bro return the water to the exhaust?

    Also, the Imco manifolds have passages between the manifold and riser for the water to pass thru. Is there another way to accomplish what I need that I'm not familiar with? Thanks.

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    bump

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    move it up

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    Senior Member Brendellajet's Avatar
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    Quote Originally Posted by matt View Post
    I assume I need it jacketed since I have no other place to return the water to the system. How/where did your bro return the water to the exhaust?

    Also, the Imco manifolds have passages between the manifold and riser for the water to pass thru. Is there another way to accomplish what I need that I'm not familiar with? Thanks.
    The water mixes with the exhaust at the end of the riser. A pipe within a pipe, creating the "jacket". My bro didn't need his pipes jacketed since the riser was already. He just needed the S pipe to get from riser end to the exhaust tips. If you need the entire riser as well as the S-pipe that would take some talent to make, Once in a while a set pops up, but Imco sells them new for $$$$$$$$$.

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    Quote Originally Posted by Brendellajet View Post
    The water mixes with the exhaust at the end of the riser. A pipe within a pipe, creating the "jacket". My bro didn't need his pipes jacketed since the riser was already. He just needed the S pipe to get from riser end to the exhaust tips. If you need the entire riser as well as the S-pipe that would take some talent to make, Once in a while a set pops up, but Imco sells them new for $$$$$$$$$.
    I understand what you mean, but I'm looking for the whole S pipe riser as it returns the water to the exhaust way further downstream than a normal riser pipe, like the S.A. riser I have now. Further down stream the water returns....less chance of reversion. Reversion is why I would prefer the S pipe riser vs. using the risers I have now.

    I saw a post of yours in another thread about picking up a set of S pipe risers and manifolds for under $1000, SCORE!! Want to sell em? Lol

    Just the S pipe risers are $1300. That is why I'm looking for a set here, because Imco sells them for $$$$$$$$$$....... I'm probably just going to have to plunk down for a new set.

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    bump

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    Senior Member Brendellajet's Avatar
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    I dont know what the S.A. means in your posts above. If you still have your old jacketed riser, you could always lengthen the exhaust tube and then the Jacket around it...talk to Brian @ BD Marine, he ws going to do mine before I changed plans...Running big lift solid roller in a jet with no reversion on the stock riser...Exhaust tips are submerged. Keep the R's up during idle and no problems yet.

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    About 1/3 of the way down this page right below the S pipe is the S.A. riser.....

    http://www.imcomarine.com/pages/exhuast.html

    I'll attach a pic of the exhaust I have also. I'm worried about reversion due to the short length of the riser I have. With the S pipe riser the water mixes back in far down stream from the engine.
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    Senior Member Brendellajet's Avatar
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    Quote Originally Posted by matt View Post
    About 1/3 of the way down this page right below the S pipe is the S.A. riser.....

    http://www.imcomarine.com/pages/exhuast.html

    I'll attach a pic of the exhaust I have also. I'm worried about reversion due to the short length of the riser I have. With the S pipe riser the water mixes back in far down stream from the engine.

    If I were you I'd just have those risers extended. You can accomplish the same for less only better-made just for your boat...Good luck

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    Are You Selling The Manafolds?

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    possibly........what are u offering?

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    Senior Member badbug3's Avatar
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    Quote Originally Posted by matt View Post
    I assume I need it jacketed since I have no other place to return the water to the system. How/where did your bro return the water to the exhaust?

    Also, the Imco manifolds have passages between the manifold and riser for the water to pass thru. Is there another way to accomplish what I need that I'm not familiar with? Thanks.
    Hey matt, did u see the post i had on the polished imco powerflow manifolds and the risers. IN the picture u can see the imco 45 degree fittings that imco sent me to make an s riser out of. One cut will do it. Theres plenty of length to make them as long as u want them, even longer than stock if u want. I will sell them a little cheaper and believe me, they are like new and beautiful set. thanks

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