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Backsides of the JDM NB6 (left) and the USDM NA6 (right) intake manifolds. Interesting that the runners on the NB6 IM is more squared off than the smoother wider radius of the NA6 IM's runners.
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2019/04/15 19:01:55
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Both manifolds have the circular water port to allow coolant to flow to both the NA6 and NB throttle bodies.
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2019/04/15 19:01:47
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Though the gasket has holes for both water ports, both USDM NA6 and JDM NB6 intake manifolds have the trapezoidal water port blocked.
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2019/04/15 19:01:40
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2019/04/15 19:01:32
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It seems the JDM B6 has two water ports that connect with the intake manifold.
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2019/04/15 19:01:25
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2019/04/15 19:01:13
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2019/04/15 19:01:03
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Modified NA6 manifold ready for install.
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2019/04/15 19:00:53
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Ported!
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2019/04/12 18:06:02
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NB TB is mocked up!
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2019/04/12 18:05:56
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NB TB is mocked up!
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2019/04/12 18:05:47
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NB TB is mocked up!
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2019/04/12 18:05:40
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NB TB is mocked up!
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2019/04/12 18:05:34
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Note that we had to slot one of the holes for the NB TB to mate to the NA6 IM. A nut a bolt will work here to clamp everything down.
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2019/04/12 18:05:27
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There's the second mounted backwards.
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2019/04/12 18:05:15
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There's a problem, but another gasket can fix this.
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2019/04/12 18:05:06
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Beautiful smoothness.
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2019/04/12 18:05:00
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Beautiful smoothness.
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2019/04/12 18:04:53
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John getting to work on porting.
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2019/04/12 18:04:44
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Not only bore hole sizes are different between the NB TB and the NA6 IM, the centers are offset from each other.
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2019/04/12 18:04:33
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The bottom two holes do not line up with each other.
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2019/04/12 18:04:26
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Top two holes of the TB and IM line up perfectly.
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2019/04/12 18:04:19
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Top two holes of the TB and IM line up perfectly.
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2019/04/12 18:04:13
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2019/03/25 19:32:03
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2019/03/25 19:26:06
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2019/03/25 19:25:59
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2019/03/25 19:25:53
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0
2019/03/18 11:43:17
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2019/03/18 11:43:03
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0
2019/02/06 17:52:14
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2019/02/06 17:52:07
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2019/02/06 17:52:02
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2019/02/06 17:51:55
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B6 junkyard motor (left) and BP5A motor (right).
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2019/02/06 17:42:44
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2018/11/01 21:14:36
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Hello in there!
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2018/11/01 21:13:46
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This intake manifold definitely looks a bit straighter from TB to back of the engine than older NA6 versions.
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2018/11/01 21:11:10
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