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R34 With Bonnet Vents

joker's r34

By joker's r34,
in Exterior & Interior Styling

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give me some feed back on this  

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Jonno34 Mentor

Jonno34

Posted
Posted

it looks good mate :)

ive been thinking of getting a bonnet like that for my 34 with a new front bumper ... mine are both all stone chipped and kinda need a new front bumper anyway its sagging something special

i like the one without the line in the middle though if you get what i mean..

more of the East Bear one

Hanaldo Grand Master

Hanaldo

Posted
Posted

Yeh does look good mate, well done with the mods :)

One thing to note with vented bonnets, there is a lot of science to it. What can happen with cheap bonnets or ones that aren't properly engineered is they create a low pressure zone across the top of the engine bay, which means the air will be sucked up over the intercooler and radiator instead of through it, causing cooling issues.

Hanaldo Grand Master

Hanaldo

Posted
Posted

Also another thing, you won't get away with the "it's stock officer" line. The bonnet is a structural part of the car, modifying it as you have done modifies the structural integrity of the whole car. Meaning it is definitely sticker worthy.

Just a heads up.

Jonno34 Mentor

Jonno34

Posted
Posted

Also another thing, you won't get away with the "it's stock officer" line. The bonnet is a structural part of the car, modifying it as you have done modifies the structural integrity of the whole car. Meaning it is definitely sticker worthy.

Just a heads up.

holy sh** i didnt know that

  • 1 month later...
GTR-N1 Grand Master

GTR-N1

Posted
Posted

Yeh does look good mate, well done with the mods :)

One thing to note with vented bonnets, there is a lot of science to it. What can happen with cheap bonnets or ones that aren't properly engineered is they create a low pressure zone across the top of the engine bay, which means the air will be sucked up over the intercooler and radiator instead of through it, causing cooling issues.

Correct!

This is why the Nismo R-Tune bonnet has a Z-Tune tube which links the bonnet with the airbox.

DaveO74 Mentor

DaveO74

Posted
Posted

I didn't know this, mmmmmmm

Would I be correct in assuming that haveing a full width radiator air guide in place would offset the negative air charge?

As in forcing the air down through the IC and rad the the bonnet will "vent" the heat as one would assume it's designed for??

GTR-N1 Grand Master

GTR-N1

Posted
Posted

In God_speed's Nur Dave, he has

* R Tune bonnet (genuine) but with Z-tune tube out.

* ARC airbox (which won't accept the Z-tune tube)

* Full length air guide

> temperatures at speed are at least 4 degrees less than usual despite the ARC box being notorious for trapping heat

joker's r34 Collaborator

joker's r34

Posted
  • Author
Posted (edited)

Wow... If that's a stock bonnet underneath and you just fibreglassed it over the top, that looks pretty impressive.

Yes my friend it is the stock one . LONG time to do it right tho

post-85766-0-12589300-1322275408_thumb.jpg

post-85766-0-22946900-1322275600_thumb.jpg

Edited by joker's r34
Eps Enthusiast

Eps

Posted
Posted

Also another thing, you won't get away with the "it's stock officer" line. The bonnet is a structural part of the car, modifying it as you have done modifies the structural integrity of the whole car. Meaning it is definitely sticker worthy.

Just a heads up.

Looks cool, a little too "Big" for me, but still cool. Also, This ^. Definitely yellow worthy.

Does the opening make rain drain into the engine bay?

Nice work!

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