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CAI on 33GTR.

MidnightGTR

By MidnightGTR,
in Engines & Forced Induction

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MidnightGTR Community Regular

MidnightGTR

Posted
Posted

Looking at doing some sort of heat shielding for my 2 pods that are just sitting there sucking hot air at the moment but wondering what to do about getting some cold air into them afterwards.

My gtst was easy as it already had a nice 3" hole from factory right where I wanted it.

My question is it safe to cut a 3" or so hole right below were the pods are then I could do the induction easily, just ive heard something about how it makes all the support weaker on that side etc etc. It probably wont be so obvious just looking at it from the engine bay.

Only other option I can think of is the headlight replacement but I want it for street use so that would be no good.

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TTT Grand Master

TTT

Posted
Posted
It has the stock airbox, but who knows what in it or if the box is modified?

LW.

OK I'll go another route.

Stock air box, Piper cross panel filter, custom stainless pipe to replace stock rubber one between turbo/s and AFM.

maybe ask Sydney Kid the max power he has seen from that set up on a GTR.

Honestly, when I had my GTST (R32) and had a pod filter, the thing was only producing like 155rwkw and the engine bay was so hot, the intake temps were like in the 60's during sydney traffic.

so imagine the engine bay of a gtr with 2 turbo's producing obviously more power.

and 2 pods taking up the same room.

even hotter air there for sure.

the stock air box is good.

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lwells Grand Master

lwells

Posted
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GTST: I am aware of Gary's view on Pipercross filters: in fact I will be putting one in the (stock) airbox of my R32 GT-R very shortly.

My point was more that although the Mines R34 may have the "stock airbox", for all we know its been completely changed on the inside. I'm not sure it makes a particularly good point of comparison given all the unknowns surrounding the car.

LW.

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TTT Grand Master

TTT

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LW - I was just trying to make the point of the stock GTR air box with a panel filter is going to be a better option that PODS in the engine bay.

AND it is cheaper to buy a stock air box and new panel filter, than it is to buy an aftermarket heat shield/air box which probably still uses tha factory snorkel.. to shield off the dirty used pods that would have come with the car from japan.

you will be able to produce the same power (possibly more) if using stock turbo's and maybe even with after market turbo's..

the cost of buying a stock airbox and panel filter is going to be cheaper than buying a heat shield for sure. and give a better result.

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GTR R32 Collaborator

GTR R32

Posted
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My question is it safe to cut a 3" or so hole right below were the pods are then I could do the induction easily, just ive heard something about how it makes all the support weaker on that side etc etc. It probably wont be so obvious just looking at it from the engine bay.

To answer your original question I drilled a 3" hole below my rear pod. I don't see how it has any effect on the structural integrity on that side. I have two 3" flexible hoses in the front bar. One running through the hole to my rear pod, the other through a factory whole under the headlight to my front pod.

Hope that helps.

Gary.

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MidnightGTR Community Regular

MidnightGTR

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theres a factory 3" hole under your front pod? ah thats right yours is 32 so probably different.

You reckon 1 3" hole would be enough for the 2 pods? dont really want to cut 2 holes. Might cut 1 hole and put a scoop intake on also (hope it doesnt look ricey :Oops: )

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GTR R32 Collaborator

GTR R32

Posted
Posted

The factory hole is under my headlight and was used for part of the air box setup that went to a resonator box. I thought the 33's would have had it too but I could be wrong. It is more like a rectangle hole next to the carbon canister. One big hole is probably enough though.

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gatty Mentor

gatty

Posted
Posted

something like:

http://www.filejunkies.net/sighost/images/airbox1.jpg

http://www.filejunkies.net/sighost/images/airbox2.jpg

http://www.filejunkies.net/sighost/images/airbox3.jpg

http://www.filejunkies.net/sighost/images/airbox4.jpg

but for 2 pods :D

feed from top and make extra feed from bottom - would be fairly easy :(

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