Fabrication Everything From JBwelded/Fluxcored downpipes to Equal length SS Manifolds.

Anyone build their own Intake Manifold?

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Old 10-14-2007, 01:11 PM
  #31  
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Default Re: Anyone build their own Intake Manifold?

this is old, but i saw a cool *** intake made from a spearco intercooler endtank, apparently you just by one end tank and it is already shaped and has a opening at the end, looked good to me. like this but it was cast alum,
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Old 10-15-2007, 08:02 AM
  #32  
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Default Re: Anyone build their own Intake Manifold?

That's a sweet idea, as long as the endtank has plenty of volume to act as a intake manifold plenum. Anyone know any decent and cheap end tank suppliers other than treadstone?
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Old 10-15-2007, 07:19 PM
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Default Re: Anyone build their own Intake Manifold?

here is mine that corey and i made (mostly corey). we made the calculations for the runner size out of a efi tuning book tyler had. had a whole chapter on intake manifold fabrication. its got vstacks, 9" runners, and a ls1 75mm tb

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Old 10-16-2007, 04:09 AM
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Default Re: Anyone build their own Intake Manifold?

^ that looks good
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Old 10-17-2007, 12:35 AM
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Default Re: Anyone build their own Intake Manifold?

can you post of the formulas you used or the title of the book maybe?

Was it called Herllmholtz tuning or something like that?

Looks like good fab and should work nicely.

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Old 10-17-2007, 04:21 PM
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Default Re: Anyone build their own Intake Manifold?

I'm curious as to why the v-stack would be any different than a standard convergent design from plenum to runners?
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Old 10-17-2007, 06:12 PM
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Default Re: Anyone build their own Intake Manifold?

Originally Posted by absolutezroo
I'm curious as to why the v-stack would be any different than a standard convergent design from plenum to runners?
It has to do with the S type motion for better flow.
I don't know exactly why but thats all I could find on the subject.
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Old 10-27-2007, 07:37 PM
  #38  
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Default Re: Anyone build their own Intake Manifold?

Where'd you get those velocity stacks? I've been reading around, and people are using measuring cups, metal egg trays, all sorts of crazy cheap crap that you can find in walmart for velocity stacks.
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Old 10-28-2007, 04:18 PM
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Default Re: Anyone build their own Intake Manifold?

I made one for a guy a while back, it's on a 2l Golf X-flow motor the guy used on an ovals track racecar....





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Old 10-29-2007, 10:55 AM
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Default Re: Anyone build their own Intake Manifold?

Originally Posted by 98redcavz24

so ARE these better for flow than the runners being flush? i mean, it looks to me like they would screw up the flow cause they are sticking up halfway to the top of the mani..or does it have something to do with the #4 runner not getting enough air?
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