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making a turbo manifold for the first time

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Old 02-24-10, 10:32 AM
  #26  
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that wouldnt really simplify the construction process...the collector itself would be 5x the work of how you usually see. welding 2 pipes together times 2, each weld is aprox. 6 1/2" long vs welding a collector and through the middle of the pipes to seal it completely.

also a collector i see you would have an issue with twin wastegates for obvious reasons


think about the total number of welds on my manifold vs a collector type one....this is much simpler
Old 02-25-10, 10:53 AM
  #27  
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Wouldn't this be less welds? aside from the one 2 into 1 collector, all of the bends you have to make and weld are only done once, instead of twice when you have one pipe. (please excuse the crude drawing)

(Sorry to muddy up your thread, im just curious to see why no one does this with a single pipe)


Old 02-25-10, 02:28 PM
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the collector should be welded between the pipes, which is WAY more difficult and time consuming also there are fewer number of welds per say but the weld length/time is longer....if that makes sense
Old 02-27-10, 02:12 PM
  #29  
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Originally Posted by 1Revvin7
Its funny how many people have no idea how much time goes into making one.

Keep in mind that smaller wall tubing also cuts fab time in half, the time spent cutting, grinding and fitting is greatly reduced. Heavy wall stuff adds a lot more time. Also merging two more pipes together for a single waste-gate is usually the hardest part of making a manifold. I love when people order twin wastegate manifolds. Makes life easy.

Try this on for size if you really want a challenge; single waste-gate with a divider going up to the waste-gate valve.
Funny you mention that because noticing the price you charge for a 2 rotor maniflold on your website, it's cheaper to buy a 4 cylinder maniflold off of your website. Looking at some of those I can't see why that would be, certainly not from a labour point of view even if it is a thicker wall. If that's the case ,tell us what you make your rotary manifolds out of (stainless grade and gauge) vrs the 4 banger manifolds? I'm curious what goes into a simple 2 rotor manifold for it to cost $900 bones?Maybe it's just that those are ebay types built in china and only the rotary ones are built inhouse ?
http://www.turblown.net/store/index.php?categoryID=5
Old 04-23-10, 08:07 PM
  #30  
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hey i was wondering if u were still interested in building me a turbo mani?

i am ready to have one made if u want to help me out please pm me!
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