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Old Mar 8, 2012 | 11:40 AM
  #451  
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Originally Posted by sixshooter
I'm not particularly happy with the progress being made on the downpipe for my car. I know now that I will end up re-doing it later. The kid spent half a day on it yesterday and is only half done with it. He hasn't started redoing the hangars or adding the o2 bung yet. He is pie cutting all the bends and not very well. Oh well, it'll get me by until my ace turbo Ferrari fabricator gets freed up next month. I'll get him to take a stab at it next.
what the hell. two 90° bends is all you need.
Old Mar 8, 2012 | 04:49 PM
  #452  
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Originally Posted by MF-Brain
what the hell. two 90° bends is all you need.
Almost, but for some reason the tards designing manifolds always center the turbine inlet between cyls 2 and 3 instead of centering it on 2 to leave a little room for less restrictive downpipe bends. I don't like it.
Old Mar 12, 2012 | 01:22 PM
  #453  
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so which NB head gives better gains on an NA block? or rather is a VVT head even worth considering or will a non-vvt do it.
Old Mar 12, 2012 | 01:46 PM
  #454  
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vvt is good if you are planning to spend lots of times and money to get it right.

otherwise the 99s flow better and have more choices in cams.
Old Mar 12, 2012 | 02:13 PM
  #455  
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Originally Posted by Track
vvt is good if you are planning to spend lots of times and money to get it right.

otherwise the 99s flow better and have more choices in cams.
cool. i'm thinking of a slight shave, port & polish as well as cams on the nb head before slapping it on the stock na8ce block. then slowly do teh bolt ons like the square IM & racingbeat headers + ms2, AFM delete, and a slightly bored TB &. idk what cams would go with it though.

Last edited by Schadenfreude; Mar 12, 2012 at 02:18 PM.
Old Mar 12, 2012 | 02:23 PM
  #456  
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well, I like the square top because its plug and play, but If I am going to do a IM + boring the TB, I would just go with the honda IM.

The rest is good, but if you do some "extreme" you will really want to get a header made for the cams and RPMs you go for, so that RB header will need to go.

Otherwise, I would go with a OBX or equivalent Ebay header.
Old Mar 12, 2012 | 02:30 PM
  #457  
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well i want a setup that gives me a more oomph on low to mid range but safe enough so that i can aggressively bounce off the rev limiter in second lol. basically reliable with more juice.

maybe i should just keep the na8ce head and just add a skunk2 IM + tb as well as a RB header on it along with my exhintake + ms2? boosting is out of the question i want reliability, easy/less hassle to maintain.
Old Mar 12, 2012 | 02:37 PM
  #458  
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the NB head is not a bad idea, just turn up the rev limit to 7500 rpms (and you won't have to bounce off the limiter at the ax), thats what hte JDM/EUDM models ran anyway. 7500 is safe on stock internals and all that junk from my reading.

Bouncing off the limiter in stock form is pretty safe (although some people will argue about this, so if thats the case lets make a new thread for that).
Old Mar 12, 2012 | 02:39 PM
  #459  
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Originally Posted by Track
the NB head is not a bad idea, just turn up the rev limit to 7500 rpms (and you won't have to bounce off the limiter at the ax), thats what hte JDM/EUDM models ran anyway. 7500 is safe on stock internals and all that junk from my reading.

Bouncing off the limiter in stock form is pretty safe (although some people will argue about this, so if thats the case lets make a new thread for that).
what kind of work should i do to the head?
Old Mar 12, 2012 | 02:42 PM
  #460  
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Don't know, you will have to read about htat. never had a rebuilt head, but I would certainly get the valves overbored by some amount.



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