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Forum nameTurbo/Nitrous Tech
Topic subjectRE: 420a Turbo upgrade
Topic URLhttp://forums.2gnt.com/dcboard.php?az=show_topic&forum=8&topic_id=109246&mesg_id=109368
109368, RE: 420a Turbo upgrade
Posted by bluespunk, Dec-31-69 06:00 PM
I've seen a few people use square manifold bodies now and got curious.

Found this article on manifold design:

http://horsepowercalculators.net/intake-manifold-design/intake-manifold-design

Interesting read. It helped clear up some misconceptions I had about the proper design of an intake manifold not having any fabrication experience. For instance, I would have thought having runners flush with the bottom would cause less resistance, but it turns out that is a big no no because velocity is extremely low toward the bottom of the body. It's the only source I've read though, so I won't say without a doubt that everything in it is definitely right.
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