Rb20 intake modification can it be done

Discuss the RB20, RB25 and RB26 series engines.
preston240sx
Posts: 562
Joined: Mon Oct 04, 2004 9:53 pm
Car: Nissan 240SX S13

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i know on the rb25 the tb can be moved to the front of the intake can the same be done with the rb20 intake ? i know its have the bleeder screw and stuff right where it would have the flang welded has anyone done the rb20 or is that just a rb25 thing thx for looking


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Carl H
Posts: 5985
Joined: Mon Aug 04, 2003 4:09 am
Car: 1995 Nissan 240SX SE RB30DET

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yes it has been done before.not reccomended tho.

preston240sx
Posts: 562
Joined: Mon Oct 04, 2004 9:53 pm
Car: Nissan 240SX S13

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looking at my rb20 intake it looks like it needs opened up bigger and what do you do with the coolant lines breather line and line to the fpr

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cachanilla86
Posts: 24
Joined: Fri Mar 06, 2009 7:54 pm
Car: 78 280Z

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That modification is expensive...but it has been done many times:


Sil240
Posts: 2973
Joined: Mon Apr 28, 2003 5:26 pm
Car: Nissan S13 "The One Cam Wonder"

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Ughhh that last picture looks pretty nasty.Somebody needs a rad flush. lol

If you've got 750 there's a guy selling a baller-a** carbon fiber upper plenum.

Or you should get that RIPS mani. I think its like $1200.

There's also those ebay ones too.

Just ran into this:http://customplenums.com/site/...id=31
Modified by Sil240 at 2:31 PM 5/19/2009


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