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Intake Manifold Runner Clean Up

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Old Apr 19, 2013 | 05:08 AM
  #21  
Fairlady_Love's Avatar
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Originally Posted by KingBaby
I'll post pics when I get off work...

Even if this mod only yields 1hp...was easy and worth it to me. Forget what I mention about cutting it up to look like the manifold posted. After looking into the manifold from the TB side it's all one open piece. You CANNOT trim it down.

I am interested to see how your manifold turned out. I would like to do this, but my car is stock and I probably won't see too much benefit to feel it just driving the car without a tune... I am also not going to spend the money to dyno my car before and after to prove the results.
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Old Apr 20, 2013 | 05:12 AM
  #22  
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subbed, lemme kno how to goes ROD!
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Old Apr 20, 2013 | 02:38 PM
  #23  
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Isnt the second manifold posted a GTR one
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Old Apr 20, 2013 | 03:13 PM
  #24  
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Originally Posted by Fairlady_Love
I am interested to see how your manifold turned out. I would like to do this, but my car is stock and I probably won't see too much benefit to feel it just driving the car without a tune... I am also not going to spend the money to dyno my car before and after to prove the results.
It does suck that I've done this along with a **** pad of other mods with no dyno...

Originally Posted by nismofreak1208
subbed, lemme kno how to goes ROD!
It went smooth not much to it!

Dremel 4000 with sanding/abrasive ball style head and a nail file is only tools I used. It's pretty straight forward.

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Remove intakes
Remove manifold
Remove aluminum runner

With manifold upside down, you'll be placing and removing the runner several times to gauge how much to trim off.

You'll need a flash light to see in and it very tedious!

The scary part is making first contact! After that you'll be grinding way like a pro! As pictured the tip I used is best and doesn't really grind without pressure so it's jar to **** up.

Originally Posted by 0jiggy0
Isnt the second manifold posted a GTR one
Probably is but initial I thought the HR manifold was similar but it's not! The HR isn't separate horns like the GTR.

I completely forgot to take pictures but it's almost identical to the ones posted...
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Old Apr 20, 2013 | 08:41 PM
  #25  
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Funny this comes up, I finally have a spare HR manifold that I am going to do this with, already smoothed all the seams, next is to blend the transitions.

I never dyno my cars, but if someone wanted to do the dyno work, I could send them the ported manifold first and they could keep it for thier trouble as long as I get a stock one back.
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