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By STX - 12 Years Ago
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Are there bigger and smaller single exhaust manifolds, or are all the same? Car and trucks the same, all years? How does the single exhaust manifolds flow as a dual system, i.e. with the exhaust to the front and the rear port blocked, and no cross over pipe? Yes, I want the exhaust in front of the engine.
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By PF Arcand - 12 Years Ago
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I'm a bit confused by your 3 or 4 questions in one.. however, what is known is that the crossover front single exhaust setup was not one of Fords better ideas. It was apparently done that way to accomodate different transmission setups. Our moderator Ted has tested several exhaust systems not long ago, you can look them up. And that crossover setup finished dead last in efficiency... Depending on models and years, cars & trucks used different exhausts. Some trucks used Rams Horn manifolds. Cars before 1957 had smaller manifolds. Maybe someone else will chime in here on your questions..
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By STX - 12 Years Ago
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OK, I want cast iron exhaust manifolds directed forward to turbochargers. I know the single crossover pipe is a less goods solution, Mercury did not use it on their single exhaust systems in 1955, but was used on trucks. I have read Ted's exhaust table, but I believe he used a true single system. I wonder if there are "big", better flowing single cast iron manifolds (for turbochargers) instead of the ones from 1954. Of course I can use headers, but cast iron manifolds would look nice.
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By pegleg - 12 Years Ago
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This would almost certainly require a custom exhaust system, you won't find a stock unit that will accomplish what you're after. Go to the street category and check out the entry for the turbocharged 292. I think if you read the entire thing, you'll have a step by step set of directions on how to do it.
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By charliemccraney - 12 Years Ago
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I'm sure you can make it work. It will need an adapter. The Hollow Heads have done something similar though they did use headers.
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By Ted - 12 Years Ago
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There are some differences in the single exhaust manifolds over the years. The more desirable single exhaust manifolds would be the later model flattop manifolds versus the earlier model round top manifolds. Here are pictures of each style which also shows the difference in the port openings at the front.  
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By wlj1943 - 12 Years Ago
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Any chance a set of Industrial/Truck Ram's Horn would clear if mounted upside down (Exit pointed up)? I did this on a Chevvie small block off-road racer using military manifolds with twin T-3 turbos about 25 years ago. Worked great. WLJ
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By charliemccraney - 12 Years Ago
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I don't know if you can mount manifolds upside down. The mounting holes in the head are not quite in line. If you flip the manifold, I don't think all of the holes would line up. I haven't tried it, though.
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By lyonroad - 12 Years Ago
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No they won't go upside, at least not in a 55 Fairlane (not sure about a Merc). I tried that just for fun.
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