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Old 08-21-2014, 11:31 AM   #1
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Question Throttle bodies and superchargers

So I'm currently working on putting together a custom supercharger setup on my Zetec. I've been thinking on doing a blow-through setup where the supercharger (positive displacement) is in front of the TB. This is done with turbos and centrifugal superchargers, so it should work with a roots style supercharger right?


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Old 08-21-2014, 01:42 PM   #2
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So you're doing ITB and a Roots?

As long as there is some type of pressure relief/bypass valve, I don't see an issue.



If I misunderstand and you're using a single TB and Roots, rethink you're idea.
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Old 08-23-2014, 11:18 AM   #3
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Yeah I was going to have a bypass valve between the TB and the supercharger, but I'm not sure what an individual throttle body is.
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Old 08-23-2014, 11:39 AM   #4
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"ITB's" are when each cyl. has it's own throttle plate.

Similar to most motorcycles (in fact cycle intakes are sometimes used) except for pricey unusual ones like a Cosworth setup with a rotating throttle barrel for all four separate intake tracts instead of throttle plates. That one's cool in that each intake is wide open with no restriction at full throttle.
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Old 08-24-2014, 01:48 PM   #5
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Oh okay gotcha. So as long as I have a bypass valve I should be fine right?
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