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Announcement!!! My New Manifold!!!!

Originally Posted by ChrisSlicks Apparently this idea has been around for a while, a switchable manifold was patented by Seimens back in 1988 and Ford patented a continuously variable manifold

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Announcement!!! My New Manifold!!!! Announcement!!! My New Manifold!!!!
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Old 09-29-2010, 09:15 AM   #1 (permalink)
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Originally Posted by ChrisSlicks View Post
Apparently this idea has been around for a while, a switchable manifold was patented by Seimens back in 1988 and Ford patented a continuously variable manifold in 1998.

Ford Variable Intake Manifold Patent
Pretty sure Honda did this with quite a few engines also. I know the H22A I put in my Accord had variable intake runners.
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Old 09-29-2010, 10:12 AM   #2 (permalink)
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I don't see how it can make more power at all points of the curve. If they are lengthening the runners then theoretically they are giving up a little in the top end in order to get a fatter mid-section. Overall it may be faster but the peak power number won't necessarily read higher. Interested to see the independent dyno comparison.
Chris judging by your avatar I'd think you'd still like it anyway right? Just making an analagy since we have no numbers and definitly not an attack on you.

If you got a fatter mid section where the power under the curve was higher and in a broader rpm range, wouldn't you rather have that at the loss of (I'm guessing) only a few HP up top? For road racing who really cares if you lost 5hp from 7k to 7.5k rpm if you got +10 from say 3k to 6500 where the car spends more of it's time.
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Old 09-29-2010, 08:07 AM   #3 (permalink)
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in for results
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Old 09-29-2010, 08:56 AM   #4 (permalink)
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Old 09-29-2010, 12:40 PM   #5 (permalink)
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Anyone have a dyno yet?
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Old 09-29-2010, 05:24 PM   #6 (permalink)
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Anyone have a dyno yet?
I will Saturday. Manifold gets here Friday. I'm trying to get you guys information asap, haha.
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Old 09-29-2010, 11:28 PM   #7 (permalink)
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Old 09-30-2010, 04:21 AM   #8 (permalink)
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Lock/Merge?

I'd rather just keep up on one thread rather than two.
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Old 09-30-2010, 12:50 PM   #9 (permalink)
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Lock/Merge?

I'd rather just keep up on one thread rather than two.
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Old 09-30-2010, 09:50 PM   #10 (permalink)
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