G35 Coupe V35 2003 - 07 Discussion about the 1st Generation V35 G35 Coupe

intake mod

  #1  
Old 03-08-2012, 11:56 PM
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intake mod

i heard you can mod the stock intake to get more power out of it . Someone told me to cut a whole on the radiator support and put a tube connecting to the stock air box i got a rev up but im trying get a lil more power out of it !! couple friends said just to get the pop or the r2c because youll get good gains but i just bought the stillen z tube rev up box and a k&n intake 2 weeks ago
 
  #2  
Old 03-09-2012, 12:06 AM
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What?! Just do the rev up and z tube with a k&n filter.
 
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Old 03-09-2012, 01:00 AM
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Good choice in intakes, Stillen makes a great intake using that giant K&N filter and you won't have issues with the dreaded heat soak cause the intake is made of plastic composit. You could drill a hole in the radiator support using a hose directed at the intake. Don't forget the scoop that should sit behind your grille to gather the air. As you can tell this has been done before by some genius named Sean here in SoCal....
Gary
 
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Old 03-09-2012, 01:07 AM
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Originally Posted by gary c
Good choice in intakes, Stillen makes a great intake using that giant K&N filter and you won't have issues with the dreaded heat soak cause the intake is made of plastic composit. You could drill a hole in the radiator support using a hose directed at the intake. Don't forget the scoop that should sit behind your grille to gather the air. As you can tell this has been done before by some genius named Sean here in SoCal....
Gary
Has that been proven to be beneficial? Never heard of it before..
 
  #5  
Old 03-09-2012, 03:39 AM
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does anyone have pics of this ??
 
  #6  
Old 03-09-2012, 03:49 AM
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eh, not the biggest supporter of this mod. it just draws air from the same place your OEM setup does. a lot of people mistakenly think that the factory snorkel draws air from the gap between the hood and the grill, therefore they think it's not getting enough air. not true, the snorkel actually draws air directed from the opening in the grill near the hood latch. the air comes in through the grill and lower openings and meets resistance at the radiator, it's then directed upward through the opening(on top of the grill) and goes into the snorkel, which leads to the intake filter. same air you'd draw by adding a scoop in the grill and plumbing it to the filter but now less pressurized.
 
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Old 03-09-2012, 05:06 AM
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^ if you came over and felt the difference first-hand, you would change your mind

I am confident that my mod results in a double digit intake temp decrease over almost any other setup.
 
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Old 03-09-2012, 07:06 AM
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If I did this mod will I gain anything? I don't want to drill a hole for nothing lol I was think of ordering one of those custom ram intakes off of ebay and drilling a hole in the airbox and the radaitor support how big should the hole be?
 
  #9  
Old 03-09-2012, 08:23 AM
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I drilled 10 3/8" holes in the air box that faces metal support..then using a magic marker marking thru the new holes into support. then drilling the support with the ten new holes.. nada, waste of time
 
  #10  
Old 03-09-2012, 08:27 AM
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Originally Posted by kristinavq
does anyone have pics of this ??
https://g35driver.com/forums/engine-...ir-intake.html

I did a little DIY a while back with this mod. Could have made it better w/ larger hosing.
 
  #11  
Old 03-09-2012, 09:43 AM
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Originally Posted by HenryLee
https://g35driver.com/forums/engine-...ir-intake.html
I did a little DIY a while back with this mod. Could have made it better w/ larger hosing.
Good Job Henry! If you have any doubts about how this works consider how your G reacts to cooler temps, I have no problems breaking my tires loose on a cool morning in second gear....the VQ motor loves cooler air!
Gary
 
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  #12  
Old 03-09-2012, 10:23 AM
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Originally Posted by SxExCx
^ if you came over and felt the difference first-hand, you would change your mind

I am confident that my mod results in a double digit intake temp decrease over almost any other setup.
haha, thanks for chiming in.

i will say this, Sean is a VERY smart guy and that the fact that he is behind this is the ONLY reason i don't completely discount anyone else's results, lol
 
  #13  
Old 03-09-2012, 10:45 AM
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I love DIYs.. Nice.

I see three improvements that could be made:
1) Smoother Tubing
2) Gradual & Linear Reduction in Tube Diameter (From input to output)
3) Channel Air Flow to the Center of Filter (Hole location drilled in housing)
....and perhaps larger diameter tubing considering #2.

That should decrease turbulence, increase velocity, and allow better distribution of air.
I may look into this mod myself.
 
  #14  
Old 03-09-2012, 11:50 AM
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Buy a 350z airbox, it has a hole cut in the front as it was designed with this idea in mind.
 
  #15  
Old 03-09-2012, 12:21 PM
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All a waste of time IMO, anyone wanting an intake for "power gains" is going to be disappointed. Maybe 3-5HP at best, which you'll never notice. Find an intake with a sound you like and be done, that's all I wanted my pop charger for.
 

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