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| X or Y pipes https://slantsix.org/forum/viewtopic.php?t=35083 |
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| Author: | Zipper [ Mon Apr 27, 2009 7:51 pm ] |
| Post subject: | X or Y pipes |
So, I've been looking, deaming and planning. I want a dual set up of some sort. I'm very much leaning towards Dutras, just because of the trouble I have had trying to fit a pair of 3-1s with the shift linkage. (So cal... we don't get that cold, so I'm thinking the new DDD) So, my thoughts turn down stream. WHat are the advantages of an X pipe or Y pipe. All the reasurch I've come agross seem to say the X is better then the H pipe... but theres no real comparison between the X and Y |
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| Author: | THOR [ Mon Apr 27, 2009 8:21 pm ] |
| Post subject: | |
Here is what I have learned thus far in college about exhaust splicing options: With an H pipe the exhaust gases are hitting a 90 degree angle, and therefore the scavenging provided by linking the two together is not as efficient as it could be. With an X or Y you are working with more subtle angles, allowing the exhaust to flow more freely, thus allowing a more pronounced scavenging effect to occur. Other than the added weight from having a second pipe after the two head pipes come together, I can't imagine there is a real noticeable difference between X and Y.. but I am not 100% on that, so don't quote me on it. That's about as far as I can go. ~THOR~ |
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| Author: | SlantSixDan [ Mon Apr 27, 2009 10:00 pm ] |
| Post subject: | |
Seems to me the data and experience suggest best results are had by avoiding this question altogether by putting in a "Wye" (Y) pipe so as to make a 6-into-2-into-1 system. If you're going for the rappy sound of duals, then you'd want no crossover at all. Keep in mind the main reason a crossover works in a V8 application is the uneven "paradiddle" timing of exhaust pulses on each bank. We don't have that with our inline sixes. |
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| Author: | Zipper [ Thu Apr 30, 2009 10:08 am ] |
| Post subject: | |
Very true. I forgot tat it was primarily for the Duals. On a side note, Dan, I'm sending ya a PM for pricing and such for some DD's (Gotta live how that sounds) |
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